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0001 /* SPDX-License-Identifier: GPL-2.0-only */
0002 /*
0003  * syscalls.h - Linux syscall interfaces (non-arch-specific)
0004  *
0005  * Copyright (c) 2004 Randy Dunlap
0006  * Copyright (c) 2004 Open Source Development Labs
0007  */
0008 
0009 #ifndef _LINUX_SYSCALLS_H
0010 #define _LINUX_SYSCALLS_H
0011 
0012 struct __aio_sigset;
0013 struct epoll_event;
0014 struct iattr;
0015 struct inode;
0016 struct iocb;
0017 struct io_event;
0018 struct iovec;
0019 struct __kernel_old_itimerval;
0020 struct kexec_segment;
0021 struct linux_dirent;
0022 struct linux_dirent64;
0023 struct list_head;
0024 struct mmap_arg_struct;
0025 struct msgbuf;
0026 struct user_msghdr;
0027 struct mmsghdr;
0028 struct msqid_ds;
0029 struct new_utsname;
0030 struct nfsctl_arg;
0031 struct __old_kernel_stat;
0032 struct oldold_utsname;
0033 struct old_utsname;
0034 struct pollfd;
0035 struct rlimit;
0036 struct rlimit64;
0037 struct rusage;
0038 struct sched_param;
0039 struct sched_attr;
0040 struct sel_arg_struct;
0041 struct semaphore;
0042 struct sembuf;
0043 struct shmid_ds;
0044 struct sockaddr;
0045 struct stat;
0046 struct stat64;
0047 struct statfs;
0048 struct statfs64;
0049 struct statx;
0050 struct sysinfo;
0051 struct timespec;
0052 struct __kernel_old_timeval;
0053 struct __kernel_timex;
0054 struct timezone;
0055 struct tms;
0056 struct utimbuf;
0057 struct mq_attr;
0058 struct compat_stat;
0059 struct old_timeval32;
0060 struct robust_list_head;
0061 struct futex_waitv;
0062 struct getcpu_cache;
0063 struct old_linux_dirent;
0064 struct perf_event_attr;
0065 struct file_handle;
0066 struct sigaltstack;
0067 struct rseq;
0068 union bpf_attr;
0069 struct io_uring_params;
0070 struct clone_args;
0071 struct open_how;
0072 struct mount_attr;
0073 struct landlock_ruleset_attr;
0074 enum landlock_rule_type;
0075 
0076 #include <linux/types.h>
0077 #include <linux/aio_abi.h>
0078 #include <linux/capability.h>
0079 #include <linux/signal.h>
0080 #include <linux/list.h>
0081 #include <linux/bug.h>
0082 #include <linux/sem.h>
0083 #include <asm/siginfo.h>
0084 #include <linux/unistd.h>
0085 #include <linux/quota.h>
0086 #include <linux/key.h>
0087 #include <linux/personality.h>
0088 #include <trace/syscall.h>
0089 
0090 #ifdef CONFIG_ARCH_HAS_SYSCALL_WRAPPER
0091 /*
0092  * It may be useful for an architecture to override the definitions of the
0093  * SYSCALL_DEFINE0() and __SYSCALL_DEFINEx() macros, in particular to use a
0094  * different calling convention for syscalls. To allow for that, the prototypes
0095  * for the sys_*() functions below will *not* be included if
0096  * CONFIG_ARCH_HAS_SYSCALL_WRAPPER is enabled.
0097  */
0098 #include <asm/syscall_wrapper.h>
0099 #endif /* CONFIG_ARCH_HAS_SYSCALL_WRAPPER */
0100 
0101 /*
0102  * __MAP - apply a macro to syscall arguments
0103  * __MAP(n, m, t1, a1, t2, a2, ..., tn, an) will expand to
0104  *    m(t1, a1), m(t2, a2), ..., m(tn, an)
0105  * The first argument must be equal to the amount of type/name
0106  * pairs given.  Note that this list of pairs (i.e. the arguments
0107  * of __MAP starting at the third one) is in the same format as
0108  * for SYSCALL_DEFINE<n>/COMPAT_SYSCALL_DEFINE<n>
0109  */
0110 #define __MAP0(m,...)
0111 #define __MAP1(m,t,a,...) m(t,a)
0112 #define __MAP2(m,t,a,...) m(t,a), __MAP1(m,__VA_ARGS__)
0113 #define __MAP3(m,t,a,...) m(t,a), __MAP2(m,__VA_ARGS__)
0114 #define __MAP4(m,t,a,...) m(t,a), __MAP3(m,__VA_ARGS__)
0115 #define __MAP5(m,t,a,...) m(t,a), __MAP4(m,__VA_ARGS__)
0116 #define __MAP6(m,t,a,...) m(t,a), __MAP5(m,__VA_ARGS__)
0117 #define __MAP(n,...) __MAP##n(__VA_ARGS__)
0118 
0119 #define __SC_DECL(t, a) t a
0120 #define __TYPE_AS(t, v) __same_type((__force t)0, v)
0121 #define __TYPE_IS_L(t)  (__TYPE_AS(t, 0L))
0122 #define __TYPE_IS_UL(t) (__TYPE_AS(t, 0UL))
0123 #define __TYPE_IS_LL(t) (__TYPE_AS(t, 0LL) || __TYPE_AS(t, 0ULL))
0124 #define __SC_LONG(t, a) __typeof(__builtin_choose_expr(__TYPE_IS_LL(t), 0LL, 0L)) a
0125 #define __SC_CAST(t, a) (__force t) a
0126 #define __SC_ARGS(t, a) a
0127 #define __SC_TEST(t, a) (void)BUILD_BUG_ON_ZERO(!__TYPE_IS_LL(t) && sizeof(t) > sizeof(long))
0128 
0129 #ifdef CONFIG_FTRACE_SYSCALLS
0130 #define __SC_STR_ADECL(t, a)    #a
0131 #define __SC_STR_TDECL(t, a)    #t
0132 
0133 extern struct trace_event_class event_class_syscall_enter;
0134 extern struct trace_event_class event_class_syscall_exit;
0135 extern struct trace_event_functions enter_syscall_print_funcs;
0136 extern struct trace_event_functions exit_syscall_print_funcs;
0137 
0138 #define SYSCALL_TRACE_ENTER_EVENT(sname)                \
0139     static struct syscall_metadata __syscall_meta_##sname;      \
0140     static struct trace_event_call __used               \
0141       event_enter_##sname = {                   \
0142         .class          = &event_class_syscall_enter,   \
0143         {                           \
0144             .name                   = "sys_enter"#sname,    \
0145         },                          \
0146         .event.funcs            = &enter_syscall_print_funcs,   \
0147         .data           = (void *)&__syscall_meta_##sname,\
0148         .flags                  = TRACE_EVENT_FL_CAP_ANY,   \
0149     };                              \
0150     static struct trace_event_call __used               \
0151       __section("_ftrace_events")                   \
0152      *__event_enter_##sname = &event_enter_##sname;
0153 
0154 #define SYSCALL_TRACE_EXIT_EVENT(sname)                 \
0155     static struct syscall_metadata __syscall_meta_##sname;      \
0156     static struct trace_event_call __used               \
0157       event_exit_##sname = {                    \
0158         .class          = &event_class_syscall_exit,    \
0159         {                           \
0160             .name                   = "sys_exit"#sname, \
0161         },                          \
0162         .event.funcs        = &exit_syscall_print_funcs,    \
0163         .data           = (void *)&__syscall_meta_##sname,\
0164         .flags                  = TRACE_EVENT_FL_CAP_ANY,   \
0165     };                              \
0166     static struct trace_event_call __used               \
0167       __section("_ftrace_events")                   \
0168     *__event_exit_##sname = &event_exit_##sname;
0169 
0170 #define SYSCALL_METADATA(sname, nb, ...)            \
0171     static const char *types_##sname[] = {          \
0172         __MAP(nb,__SC_STR_TDECL,__VA_ARGS__)        \
0173     };                          \
0174     static const char *args_##sname[] = {           \
0175         __MAP(nb,__SC_STR_ADECL,__VA_ARGS__)        \
0176     };                          \
0177     SYSCALL_TRACE_ENTER_EVENT(sname);           \
0178     SYSCALL_TRACE_EXIT_EVENT(sname);            \
0179     static struct syscall_metadata __used           \
0180       __syscall_meta_##sname = {                \
0181         .name       = "sys"#sname,          \
0182         .syscall_nr = -1,   /* Filled in at boot */ \
0183         .nb_args    = nb,               \
0184         .types      = nb ? types_##sname : NULL,    \
0185         .args       = nb ? args_##sname : NULL, \
0186         .enter_event    = &event_enter_##sname,     \
0187         .exit_event = &event_exit_##sname,      \
0188         .enter_fields   = LIST_HEAD_INIT(__syscall_meta_##sname.enter_fields), \
0189     };                          \
0190     static struct syscall_metadata __used           \
0191       __section("__syscalls_metadata")          \
0192      *__p_syscall_meta_##sname = &__syscall_meta_##sname;
0193 
0194 static inline int is_syscall_trace_event(struct trace_event_call *tp_event)
0195 {
0196     return tp_event->class == &event_class_syscall_enter ||
0197            tp_event->class == &event_class_syscall_exit;
0198 }
0199 
0200 #else
0201 #define SYSCALL_METADATA(sname, nb, ...)
0202 
0203 static inline int is_syscall_trace_event(struct trace_event_call *tp_event)
0204 {
0205     return 0;
0206 }
0207 #endif
0208 
0209 #ifndef SYSCALL_DEFINE0
0210 #define SYSCALL_DEFINE0(sname)                  \
0211     SYSCALL_METADATA(_##sname, 0);              \
0212     asmlinkage long sys_##sname(void);          \
0213     ALLOW_ERROR_INJECTION(sys_##sname, ERRNO);      \
0214     asmlinkage long sys_##sname(void)
0215 #endif /* SYSCALL_DEFINE0 */
0216 
0217 #define SYSCALL_DEFINE1(name, ...) SYSCALL_DEFINEx(1, _##name, __VA_ARGS__)
0218 #define SYSCALL_DEFINE2(name, ...) SYSCALL_DEFINEx(2, _##name, __VA_ARGS__)
0219 #define SYSCALL_DEFINE3(name, ...) SYSCALL_DEFINEx(3, _##name, __VA_ARGS__)
0220 #define SYSCALL_DEFINE4(name, ...) SYSCALL_DEFINEx(4, _##name, __VA_ARGS__)
0221 #define SYSCALL_DEFINE5(name, ...) SYSCALL_DEFINEx(5, _##name, __VA_ARGS__)
0222 #define SYSCALL_DEFINE6(name, ...) SYSCALL_DEFINEx(6, _##name, __VA_ARGS__)
0223 
0224 #define SYSCALL_DEFINE_MAXARGS  6
0225 
0226 #define SYSCALL_DEFINEx(x, sname, ...)              \
0227     SYSCALL_METADATA(sname, x, __VA_ARGS__)         \
0228     __SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
0229 
0230 #define __PROTECT(...) asmlinkage_protect(__VA_ARGS__)
0231 
0232 /*
0233  * The asmlinkage stub is aliased to a function named __se_sys_*() which
0234  * sign-extends 32-bit ints to longs whenever needed. The actual work is
0235  * done within __do_sys_*().
0236  */
0237 #ifndef __SYSCALL_DEFINEx
0238 #define __SYSCALL_DEFINEx(x, name, ...)                 \
0239     __diag_push();                          \
0240     __diag_ignore(GCC, 8, "-Wattribute-alias",          \
0241               "Type aliasing is used to sanitize syscall arguments");\
0242     asmlinkage long sys##name(__MAP(x,__SC_DECL,__VA_ARGS__))   \
0243         __attribute__((alias(__stringify(__se_sys##name))));    \
0244     ALLOW_ERROR_INJECTION(sys##name, ERRNO);            \
0245     static inline long __do_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__));\
0246     asmlinkage long __se_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)); \
0247     asmlinkage long __se_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__))  \
0248     {                               \
0249         long ret = __do_sys##name(__MAP(x,__SC_CAST,__VA_ARGS__));\
0250         __MAP(x,__SC_TEST,__VA_ARGS__);             \
0251         __PROTECT(x, ret,__MAP(x,__SC_ARGS,__VA_ARGS__));   \
0252         return ret;                     \
0253     }                               \
0254     __diag_pop();                           \
0255     static inline long __do_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__))
0256 #endif /* __SYSCALL_DEFINEx */
0257 
0258 /* For split 64-bit arguments on 32-bit architectures */
0259 #ifdef __LITTLE_ENDIAN
0260 #define SC_ARG64(name) u32, name##_lo, u32, name##_hi
0261 #else
0262 #define SC_ARG64(name) u32, name##_hi, u32, name##_lo
0263 #endif
0264 #define SC_VAL64(type, name) ((type) name##_hi << 32 | name##_lo)
0265 
0266 #ifdef CONFIG_COMPAT
0267 #define SYSCALL32_DEFINE1 COMPAT_SYSCALL_DEFINE1
0268 #define SYSCALL32_DEFINE2 COMPAT_SYSCALL_DEFINE2
0269 #define SYSCALL32_DEFINE3 COMPAT_SYSCALL_DEFINE3
0270 #define SYSCALL32_DEFINE4 COMPAT_SYSCALL_DEFINE4
0271 #define SYSCALL32_DEFINE5 COMPAT_SYSCALL_DEFINE5
0272 #define SYSCALL32_DEFINE6 COMPAT_SYSCALL_DEFINE6
0273 #else
0274 #define SYSCALL32_DEFINE1 SYSCALL_DEFINE1
0275 #define SYSCALL32_DEFINE2 SYSCALL_DEFINE2
0276 #define SYSCALL32_DEFINE3 SYSCALL_DEFINE3
0277 #define SYSCALL32_DEFINE4 SYSCALL_DEFINE4
0278 #define SYSCALL32_DEFINE5 SYSCALL_DEFINE5
0279 #define SYSCALL32_DEFINE6 SYSCALL_DEFINE6
0280 #endif
0281 
0282 /*
0283  * Called before coming back to user-mode. Returning to user-mode with an
0284  * address limit different than USER_DS can allow to overwrite kernel memory.
0285  */
0286 static inline void addr_limit_user_check(void)
0287 {
0288 #ifdef TIF_FSCHECK
0289     if (!test_thread_flag(TIF_FSCHECK))
0290         return;
0291 #endif
0292 
0293 #ifdef TIF_FSCHECK
0294     clear_thread_flag(TIF_FSCHECK);
0295 #endif
0296 }
0297 
0298 /*
0299  * These syscall function prototypes are kept in the same order as
0300  * include/uapi/asm-generic/unistd.h. Architecture specific entries go below,
0301  * followed by deprecated or obsolete system calls.
0302  *
0303  * Please note that these prototypes here are only provided for information
0304  * purposes, for static analysis, and for linking from the syscall table.
0305  * These functions should not be called elsewhere from kernel code.
0306  *
0307  * As the syscall calling convention may be different from the default
0308  * for architectures overriding the syscall calling convention, do not
0309  * include the prototypes if CONFIG_ARCH_HAS_SYSCALL_WRAPPER is enabled.
0310  */
0311 #ifndef CONFIG_ARCH_HAS_SYSCALL_WRAPPER
0312 asmlinkage long sys_io_setup(unsigned nr_reqs, aio_context_t __user *ctx);
0313 asmlinkage long sys_io_destroy(aio_context_t ctx);
0314 asmlinkage long sys_io_submit(aio_context_t, long,
0315             struct iocb __user * __user *);
0316 asmlinkage long sys_io_cancel(aio_context_t ctx_id, struct iocb __user *iocb,
0317                   struct io_event __user *result);
0318 asmlinkage long sys_io_getevents(aio_context_t ctx_id,
0319                 long min_nr,
0320                 long nr,
0321                 struct io_event __user *events,
0322                 struct __kernel_timespec __user *timeout);
0323 asmlinkage long sys_io_getevents_time32(__u32 ctx_id,
0324                 __s32 min_nr,
0325                 __s32 nr,
0326                 struct io_event __user *events,
0327                 struct old_timespec32 __user *timeout);
0328 asmlinkage long sys_io_pgetevents(aio_context_t ctx_id,
0329                 long min_nr,
0330                 long nr,
0331                 struct io_event __user *events,
0332                 struct __kernel_timespec __user *timeout,
0333                 const struct __aio_sigset *sig);
0334 asmlinkage long sys_io_pgetevents_time32(aio_context_t ctx_id,
0335                 long min_nr,
0336                 long nr,
0337                 struct io_event __user *events,
0338                 struct old_timespec32 __user *timeout,
0339                 const struct __aio_sigset *sig);
0340 asmlinkage long sys_io_uring_setup(u32 entries,
0341                 struct io_uring_params __user *p);
0342 asmlinkage long sys_io_uring_enter(unsigned int fd, u32 to_submit,
0343                 u32 min_complete, u32 flags,
0344                 const void __user *argp, size_t argsz);
0345 asmlinkage long sys_io_uring_register(unsigned int fd, unsigned int op,
0346                 void __user *arg, unsigned int nr_args);
0347 
0348 /* fs/xattr.c */
0349 asmlinkage long sys_setxattr(const char __user *path, const char __user *name,
0350                  const void __user *value, size_t size, int flags);
0351 asmlinkage long sys_lsetxattr(const char __user *path, const char __user *name,
0352                   const void __user *value, size_t size, int flags);
0353 asmlinkage long sys_fsetxattr(int fd, const char __user *name,
0354                   const void __user *value, size_t size, int flags);
0355 asmlinkage long sys_getxattr(const char __user *path, const char __user *name,
0356                  void __user *value, size_t size);
0357 asmlinkage long sys_lgetxattr(const char __user *path, const char __user *name,
0358                   void __user *value, size_t size);
0359 asmlinkage long sys_fgetxattr(int fd, const char __user *name,
0360                   void __user *value, size_t size);
0361 asmlinkage long sys_listxattr(const char __user *path, char __user *list,
0362                   size_t size);
0363 asmlinkage long sys_llistxattr(const char __user *path, char __user *list,
0364                    size_t size);
0365 asmlinkage long sys_flistxattr(int fd, char __user *list, size_t size);
0366 asmlinkage long sys_removexattr(const char __user *path,
0367                 const char __user *name);
0368 asmlinkage long sys_lremovexattr(const char __user *path,
0369                  const char __user *name);
0370 asmlinkage long sys_fremovexattr(int fd, const char __user *name);
0371 
0372 /* fs/dcache.c */
0373 asmlinkage long sys_getcwd(char __user *buf, unsigned long size);
0374 
0375 /* fs/cookies.c */
0376 asmlinkage long sys_lookup_dcookie(u64 cookie64, char __user *buf, size_t len);
0377 
0378 /* fs/eventfd.c */
0379 asmlinkage long sys_eventfd2(unsigned int count, int flags);
0380 
0381 /* fs/eventpoll.c */
0382 asmlinkage long sys_epoll_create1(int flags);
0383 asmlinkage long sys_epoll_ctl(int epfd, int op, int fd,
0384                 struct epoll_event __user *event);
0385 asmlinkage long sys_epoll_pwait(int epfd, struct epoll_event __user *events,
0386                 int maxevents, int timeout,
0387                 const sigset_t __user *sigmask,
0388                 size_t sigsetsize);
0389 asmlinkage long sys_epoll_pwait2(int epfd, struct epoll_event __user *events,
0390                  int maxevents,
0391                  const struct __kernel_timespec __user *timeout,
0392                  const sigset_t __user *sigmask,
0393                  size_t sigsetsize);
0394 
0395 /* fs/fcntl.c */
0396 asmlinkage long sys_dup(unsigned int fildes);
0397 asmlinkage long sys_dup3(unsigned int oldfd, unsigned int newfd, int flags);
0398 asmlinkage long sys_fcntl(unsigned int fd, unsigned int cmd, unsigned long arg);
0399 #if BITS_PER_LONG == 32
0400 asmlinkage long sys_fcntl64(unsigned int fd,
0401                 unsigned int cmd, unsigned long arg);
0402 #endif
0403 
0404 /* fs/inotify_user.c */
0405 asmlinkage long sys_inotify_init1(int flags);
0406 asmlinkage long sys_inotify_add_watch(int fd, const char __user *path,
0407                     u32 mask);
0408 asmlinkage long sys_inotify_rm_watch(int fd, __s32 wd);
0409 
0410 /* fs/ioctl.c */
0411 asmlinkage long sys_ioctl(unsigned int fd, unsigned int cmd,
0412                 unsigned long arg);
0413 
0414 /* fs/ioprio.c */
0415 asmlinkage long sys_ioprio_set(int which, int who, int ioprio);
0416 asmlinkage long sys_ioprio_get(int which, int who);
0417 
0418 /* fs/locks.c */
0419 asmlinkage long sys_flock(unsigned int fd, unsigned int cmd);
0420 
0421 /* fs/namei.c */
0422 asmlinkage long sys_mknodat(int dfd, const char __user * filename, umode_t mode,
0423                 unsigned dev);
0424 asmlinkage long sys_mkdirat(int dfd, const char __user * pathname, umode_t mode);
0425 asmlinkage long sys_unlinkat(int dfd, const char __user * pathname, int flag);
0426 asmlinkage long sys_symlinkat(const char __user * oldname,
0427                   int newdfd, const char __user * newname);
0428 asmlinkage long sys_linkat(int olddfd, const char __user *oldname,
0429                int newdfd, const char __user *newname, int flags);
0430 asmlinkage long sys_renameat(int olddfd, const char __user * oldname,
0431                  int newdfd, const char __user * newname);
0432 
0433 /* fs/namespace.c */
0434 asmlinkage long sys_umount(char __user *name, int flags);
0435 asmlinkage long sys_mount(char __user *dev_name, char __user *dir_name,
0436                 char __user *type, unsigned long flags,
0437                 void __user *data);
0438 asmlinkage long sys_pivot_root(const char __user *new_root,
0439                 const char __user *put_old);
0440 
0441 /* fs/nfsctl.c */
0442 
0443 /* fs/open.c */
0444 asmlinkage long sys_statfs(const char __user * path,
0445                 struct statfs __user *buf);
0446 asmlinkage long sys_statfs64(const char __user *path, size_t sz,
0447                 struct statfs64 __user *buf);
0448 asmlinkage long sys_fstatfs(unsigned int fd, struct statfs __user *buf);
0449 asmlinkage long sys_fstatfs64(unsigned int fd, size_t sz,
0450                 struct statfs64 __user *buf);
0451 asmlinkage long sys_truncate(const char __user *path, long length);
0452 asmlinkage long sys_ftruncate(unsigned int fd, unsigned long length);
0453 #if BITS_PER_LONG == 32
0454 asmlinkage long sys_truncate64(const char __user *path, loff_t length);
0455 asmlinkage long sys_ftruncate64(unsigned int fd, loff_t length);
0456 #endif
0457 asmlinkage long sys_fallocate(int fd, int mode, loff_t offset, loff_t len);
0458 asmlinkage long sys_faccessat(int dfd, const char __user *filename, int mode);
0459 asmlinkage long sys_faccessat2(int dfd, const char __user *filename, int mode,
0460                    int flags);
0461 asmlinkage long sys_chdir(const char __user *filename);
0462 asmlinkage long sys_fchdir(unsigned int fd);
0463 asmlinkage long sys_chroot(const char __user *filename);
0464 asmlinkage long sys_fchmod(unsigned int fd, umode_t mode);
0465 asmlinkage long sys_fchmodat(int dfd, const char __user * filename,
0466                  umode_t mode);
0467 asmlinkage long sys_fchownat(int dfd, const char __user *filename, uid_t user,
0468                  gid_t group, int flag);
0469 asmlinkage long sys_fchown(unsigned int fd, uid_t user, gid_t group);
0470 asmlinkage long sys_openat(int dfd, const char __user *filename, int flags,
0471                umode_t mode);
0472 asmlinkage long sys_openat2(int dfd, const char __user *filename,
0473                 struct open_how *how, size_t size);
0474 asmlinkage long sys_close(unsigned int fd);
0475 asmlinkage long sys_close_range(unsigned int fd, unsigned int max_fd,
0476                 unsigned int flags);
0477 asmlinkage long sys_vhangup(void);
0478 
0479 /* fs/pipe.c */
0480 asmlinkage long sys_pipe2(int __user *fildes, int flags);
0481 
0482 /* fs/quota.c */
0483 asmlinkage long sys_quotactl(unsigned int cmd, const char __user *special,
0484                 qid_t id, void __user *addr);
0485 asmlinkage long sys_quotactl_fd(unsigned int fd, unsigned int cmd, qid_t id,
0486                 void __user *addr);
0487 
0488 /* fs/readdir.c */
0489 asmlinkage long sys_getdents64(unsigned int fd,
0490                 struct linux_dirent64 __user *dirent,
0491                 unsigned int count);
0492 
0493 /* fs/read_write.c */
0494 asmlinkage long sys_llseek(unsigned int fd, unsigned long offset_high,
0495             unsigned long offset_low, loff_t __user *result,
0496             unsigned int whence);
0497 asmlinkage long sys_lseek(unsigned int fd, off_t offset,
0498               unsigned int whence);
0499 asmlinkage long sys_read(unsigned int fd, char __user *buf, size_t count);
0500 asmlinkage long sys_write(unsigned int fd, const char __user *buf,
0501               size_t count);
0502 asmlinkage long sys_readv(unsigned long fd,
0503               const struct iovec __user *vec,
0504               unsigned long vlen);
0505 asmlinkage long sys_writev(unsigned long fd,
0506                const struct iovec __user *vec,
0507                unsigned long vlen);
0508 asmlinkage long sys_pread64(unsigned int fd, char __user *buf,
0509                 size_t count, loff_t pos);
0510 asmlinkage long sys_pwrite64(unsigned int fd, const char __user *buf,
0511                  size_t count, loff_t pos);
0512 asmlinkage long sys_preadv(unsigned long fd, const struct iovec __user *vec,
0513                unsigned long vlen, unsigned long pos_l, unsigned long pos_h);
0514 asmlinkage long sys_pwritev(unsigned long fd, const struct iovec __user *vec,
0515                 unsigned long vlen, unsigned long pos_l, unsigned long pos_h);
0516 
0517 /* fs/sendfile.c */
0518 asmlinkage long sys_sendfile64(int out_fd, int in_fd,
0519                    loff_t __user *offset, size_t count);
0520 
0521 /* fs/select.c */
0522 asmlinkage long sys_pselect6(int, fd_set __user *, fd_set __user *,
0523                  fd_set __user *, struct __kernel_timespec __user *,
0524                  void __user *);
0525 asmlinkage long sys_pselect6_time32(int, fd_set __user *, fd_set __user *,
0526                  fd_set __user *, struct old_timespec32 __user *,
0527                  void __user *);
0528 asmlinkage long sys_ppoll(struct pollfd __user *, unsigned int,
0529               struct __kernel_timespec __user *, const sigset_t __user *,
0530               size_t);
0531 asmlinkage long sys_ppoll_time32(struct pollfd __user *, unsigned int,
0532               struct old_timespec32 __user *, const sigset_t __user *,
0533               size_t);
0534 
0535 /* fs/signalfd.c */
0536 asmlinkage long sys_signalfd4(int ufd, sigset_t __user *user_mask, size_t sizemask, int flags);
0537 
0538 /* fs/splice.c */
0539 asmlinkage long sys_vmsplice(int fd, const struct iovec __user *iov,
0540                  unsigned long nr_segs, unsigned int flags);
0541 asmlinkage long sys_splice(int fd_in, loff_t __user *off_in,
0542                int fd_out, loff_t __user *off_out,
0543                size_t len, unsigned int flags);
0544 asmlinkage long sys_tee(int fdin, int fdout, size_t len, unsigned int flags);
0545 
0546 /* fs/stat.c */
0547 asmlinkage long sys_readlinkat(int dfd, const char __user *path, char __user *buf,
0548                    int bufsiz);
0549 asmlinkage long sys_newfstatat(int dfd, const char __user *filename,
0550                    struct stat __user *statbuf, int flag);
0551 asmlinkage long sys_newfstat(unsigned int fd, struct stat __user *statbuf);
0552 #if defined(__ARCH_WANT_STAT64) || defined(__ARCH_WANT_COMPAT_STAT64)
0553 asmlinkage long sys_fstat64(unsigned long fd, struct stat64 __user *statbuf);
0554 asmlinkage long sys_fstatat64(int dfd, const char __user *filename,
0555                    struct stat64 __user *statbuf, int flag);
0556 #endif
0557 
0558 /* fs/sync.c */
0559 asmlinkage long sys_sync(void);
0560 asmlinkage long sys_fsync(unsigned int fd);
0561 asmlinkage long sys_fdatasync(unsigned int fd);
0562 asmlinkage long sys_sync_file_range2(int fd, unsigned int flags,
0563                      loff_t offset, loff_t nbytes);
0564 asmlinkage long sys_sync_file_range(int fd, loff_t offset, loff_t nbytes,
0565                     unsigned int flags);
0566 
0567 /* fs/timerfd.c */
0568 asmlinkage long sys_timerfd_create(int clockid, int flags);
0569 asmlinkage long sys_timerfd_settime(int ufd, int flags,
0570                     const struct __kernel_itimerspec __user *utmr,
0571                     struct __kernel_itimerspec __user *otmr);
0572 asmlinkage long sys_timerfd_gettime(int ufd, struct __kernel_itimerspec __user *otmr);
0573 asmlinkage long sys_timerfd_gettime32(int ufd,
0574                    struct old_itimerspec32 __user *otmr);
0575 asmlinkage long sys_timerfd_settime32(int ufd, int flags,
0576                    const struct old_itimerspec32 __user *utmr,
0577                    struct old_itimerspec32 __user *otmr);
0578 
0579 /* fs/utimes.c */
0580 asmlinkage long sys_utimensat(int dfd, const char __user *filename,
0581                 struct __kernel_timespec __user *utimes,
0582                 int flags);
0583 asmlinkage long sys_utimensat_time32(unsigned int dfd,
0584                 const char __user *filename,
0585                 struct old_timespec32 __user *t, int flags);
0586 
0587 /* kernel/acct.c */
0588 asmlinkage long sys_acct(const char __user *name);
0589 
0590 /* kernel/capability.c */
0591 asmlinkage long sys_capget(cap_user_header_t header,
0592                 cap_user_data_t dataptr);
0593 asmlinkage long sys_capset(cap_user_header_t header,
0594                 const cap_user_data_t data);
0595 
0596 /* kernel/exec_domain.c */
0597 asmlinkage long sys_personality(unsigned int personality);
0598 
0599 /* kernel/exit.c */
0600 asmlinkage long sys_exit(int error_code);
0601 asmlinkage long sys_exit_group(int error_code);
0602 asmlinkage long sys_waitid(int which, pid_t pid,
0603                struct siginfo __user *infop,
0604                int options, struct rusage __user *ru);
0605 
0606 /* kernel/fork.c */
0607 asmlinkage long sys_set_tid_address(int __user *tidptr);
0608 asmlinkage long sys_unshare(unsigned long unshare_flags);
0609 
0610 /* kernel/futex/syscalls.c */
0611 asmlinkage long sys_futex(u32 __user *uaddr, int op, u32 val,
0612               const struct __kernel_timespec __user *utime,
0613               u32 __user *uaddr2, u32 val3);
0614 asmlinkage long sys_futex_time32(u32 __user *uaddr, int op, u32 val,
0615                  const struct old_timespec32 __user *utime,
0616                  u32 __user *uaddr2, u32 val3);
0617 asmlinkage long sys_get_robust_list(int pid,
0618                     struct robust_list_head __user * __user *head_ptr,
0619                     size_t __user *len_ptr);
0620 asmlinkage long sys_set_robust_list(struct robust_list_head __user *head,
0621                     size_t len);
0622 
0623 asmlinkage long sys_futex_waitv(struct futex_waitv *waiters,
0624                 unsigned int nr_futexes, unsigned int flags,
0625                 struct __kernel_timespec __user *timeout, clockid_t clockid);
0626 
0627 /* kernel/hrtimer.c */
0628 asmlinkage long sys_nanosleep(struct __kernel_timespec __user *rqtp,
0629                   struct __kernel_timespec __user *rmtp);
0630 asmlinkage long sys_nanosleep_time32(struct old_timespec32 __user *rqtp,
0631                      struct old_timespec32 __user *rmtp);
0632 
0633 /* kernel/itimer.c */
0634 asmlinkage long sys_getitimer(int which, struct __kernel_old_itimerval __user *value);
0635 asmlinkage long sys_setitimer(int which,
0636                 struct __kernel_old_itimerval __user *value,
0637                 struct __kernel_old_itimerval __user *ovalue);
0638 
0639 /* kernel/kexec.c */
0640 asmlinkage long sys_kexec_load(unsigned long entry, unsigned long nr_segments,
0641                 struct kexec_segment __user *segments,
0642                 unsigned long flags);
0643 
0644 /* kernel/module.c */
0645 asmlinkage long sys_init_module(void __user *umod, unsigned long len,
0646                 const char __user *uargs);
0647 asmlinkage long sys_delete_module(const char __user *name_user,
0648                 unsigned int flags);
0649 
0650 /* kernel/posix-timers.c */
0651 asmlinkage long sys_timer_create(clockid_t which_clock,
0652                  struct sigevent __user *timer_event_spec,
0653                  timer_t __user * created_timer_id);
0654 asmlinkage long sys_timer_gettime(timer_t timer_id,
0655                 struct __kernel_itimerspec __user *setting);
0656 asmlinkage long sys_timer_getoverrun(timer_t timer_id);
0657 asmlinkage long sys_timer_settime(timer_t timer_id, int flags,
0658                 const struct __kernel_itimerspec __user *new_setting,
0659                 struct __kernel_itimerspec __user *old_setting);
0660 asmlinkage long sys_timer_delete(timer_t timer_id);
0661 asmlinkage long sys_clock_settime(clockid_t which_clock,
0662                 const struct __kernel_timespec __user *tp);
0663 asmlinkage long sys_clock_gettime(clockid_t which_clock,
0664                 struct __kernel_timespec __user *tp);
0665 asmlinkage long sys_clock_getres(clockid_t which_clock,
0666                 struct __kernel_timespec __user *tp);
0667 asmlinkage long sys_clock_nanosleep(clockid_t which_clock, int flags,
0668                 const struct __kernel_timespec __user *rqtp,
0669                 struct __kernel_timespec __user *rmtp);
0670 asmlinkage long sys_timer_gettime32(timer_t timer_id,
0671                  struct old_itimerspec32 __user *setting);
0672 asmlinkage long sys_timer_settime32(timer_t timer_id, int flags,
0673                      struct old_itimerspec32 __user *new,
0674                      struct old_itimerspec32 __user *old);
0675 asmlinkage long sys_clock_settime32(clockid_t which_clock,
0676                 struct old_timespec32 __user *tp);
0677 asmlinkage long sys_clock_gettime32(clockid_t which_clock,
0678                 struct old_timespec32 __user *tp);
0679 asmlinkage long sys_clock_getres_time32(clockid_t which_clock,
0680                 struct old_timespec32 __user *tp);
0681 asmlinkage long sys_clock_nanosleep_time32(clockid_t which_clock, int flags,
0682                 struct old_timespec32 __user *rqtp,
0683                 struct old_timespec32 __user *rmtp);
0684 
0685 /* kernel/printk.c */
0686 asmlinkage long sys_syslog(int type, char __user *buf, int len);
0687 
0688 /* kernel/ptrace.c */
0689 asmlinkage long sys_ptrace(long request, long pid, unsigned long addr,
0690                unsigned long data);
0691 /* kernel/sched/core.c */
0692 
0693 asmlinkage long sys_sched_setparam(pid_t pid,
0694                     struct sched_param __user *param);
0695 asmlinkage long sys_sched_setscheduler(pid_t pid, int policy,
0696                     struct sched_param __user *param);
0697 asmlinkage long sys_sched_getscheduler(pid_t pid);
0698 asmlinkage long sys_sched_getparam(pid_t pid,
0699                     struct sched_param __user *param);
0700 asmlinkage long sys_sched_setaffinity(pid_t pid, unsigned int len,
0701                     unsigned long __user *user_mask_ptr);
0702 asmlinkage long sys_sched_getaffinity(pid_t pid, unsigned int len,
0703                     unsigned long __user *user_mask_ptr);
0704 asmlinkage long sys_sched_yield(void);
0705 asmlinkage long sys_sched_get_priority_max(int policy);
0706 asmlinkage long sys_sched_get_priority_min(int policy);
0707 asmlinkage long sys_sched_rr_get_interval(pid_t pid,
0708                 struct __kernel_timespec __user *interval);
0709 asmlinkage long sys_sched_rr_get_interval_time32(pid_t pid,
0710                          struct old_timespec32 __user *interval);
0711 
0712 /* kernel/signal.c */
0713 asmlinkage long sys_restart_syscall(void);
0714 asmlinkage long sys_kill(pid_t pid, int sig);
0715 asmlinkage long sys_tkill(pid_t pid, int sig);
0716 asmlinkage long sys_tgkill(pid_t tgid, pid_t pid, int sig);
0717 asmlinkage long sys_sigaltstack(const struct sigaltstack __user *uss,
0718                 struct sigaltstack __user *uoss);
0719 asmlinkage long sys_rt_sigsuspend(sigset_t __user *unewset, size_t sigsetsize);
0720 #ifndef CONFIG_ODD_RT_SIGACTION
0721 asmlinkage long sys_rt_sigaction(int,
0722                  const struct sigaction __user *,
0723                  struct sigaction __user *,
0724                  size_t);
0725 #endif
0726 asmlinkage long sys_rt_sigprocmask(int how, sigset_t __user *set,
0727                 sigset_t __user *oset, size_t sigsetsize);
0728 asmlinkage long sys_rt_sigpending(sigset_t __user *set, size_t sigsetsize);
0729 asmlinkage long sys_rt_sigtimedwait(const sigset_t __user *uthese,
0730                 siginfo_t __user *uinfo,
0731                 const struct __kernel_timespec __user *uts,
0732                 size_t sigsetsize);
0733 asmlinkage long sys_rt_sigtimedwait_time32(const sigset_t __user *uthese,
0734                 siginfo_t __user *uinfo,
0735                 const struct old_timespec32 __user *uts,
0736                 size_t sigsetsize);
0737 asmlinkage long sys_rt_sigqueueinfo(pid_t pid, int sig, siginfo_t __user *uinfo);
0738 
0739 /* kernel/sys.c */
0740 asmlinkage long sys_setpriority(int which, int who, int niceval);
0741 asmlinkage long sys_getpriority(int which, int who);
0742 asmlinkage long sys_reboot(int magic1, int magic2, unsigned int cmd,
0743                 void __user *arg);
0744 asmlinkage long sys_setregid(gid_t rgid, gid_t egid);
0745 asmlinkage long sys_setgid(gid_t gid);
0746 asmlinkage long sys_setreuid(uid_t ruid, uid_t euid);
0747 asmlinkage long sys_setuid(uid_t uid);
0748 asmlinkage long sys_setresuid(uid_t ruid, uid_t euid, uid_t suid);
0749 asmlinkage long sys_getresuid(uid_t __user *ruid, uid_t __user *euid, uid_t __user *suid);
0750 asmlinkage long sys_setresgid(gid_t rgid, gid_t egid, gid_t sgid);
0751 asmlinkage long sys_getresgid(gid_t __user *rgid, gid_t __user *egid, gid_t __user *sgid);
0752 asmlinkage long sys_setfsuid(uid_t uid);
0753 asmlinkage long sys_setfsgid(gid_t gid);
0754 asmlinkage long sys_times(struct tms __user *tbuf);
0755 asmlinkage long sys_setpgid(pid_t pid, pid_t pgid);
0756 asmlinkage long sys_getpgid(pid_t pid);
0757 asmlinkage long sys_getsid(pid_t pid);
0758 asmlinkage long sys_setsid(void);
0759 asmlinkage long sys_getgroups(int gidsetsize, gid_t __user *grouplist);
0760 asmlinkage long sys_setgroups(int gidsetsize, gid_t __user *grouplist);
0761 asmlinkage long sys_newuname(struct new_utsname __user *name);
0762 asmlinkage long sys_sethostname(char __user *name, int len);
0763 asmlinkage long sys_setdomainname(char __user *name, int len);
0764 asmlinkage long sys_getrlimit(unsigned int resource,
0765                 struct rlimit __user *rlim);
0766 asmlinkage long sys_setrlimit(unsigned int resource,
0767                 struct rlimit __user *rlim);
0768 asmlinkage long sys_getrusage(int who, struct rusage __user *ru);
0769 asmlinkage long sys_umask(int mask);
0770 asmlinkage long sys_prctl(int option, unsigned long arg2, unsigned long arg3,
0771             unsigned long arg4, unsigned long arg5);
0772 asmlinkage long sys_getcpu(unsigned __user *cpu, unsigned __user *node, struct getcpu_cache __user *cache);
0773 
0774 /* kernel/time.c */
0775 asmlinkage long sys_gettimeofday(struct __kernel_old_timeval __user *tv,
0776                 struct timezone __user *tz);
0777 asmlinkage long sys_settimeofday(struct __kernel_old_timeval __user *tv,
0778                 struct timezone __user *tz);
0779 asmlinkage long sys_adjtimex(struct __kernel_timex __user *txc_p);
0780 asmlinkage long sys_adjtimex_time32(struct old_timex32 __user *txc_p);
0781 
0782 /* kernel/sys.c */
0783 asmlinkage long sys_getpid(void);
0784 asmlinkage long sys_getppid(void);
0785 asmlinkage long sys_getuid(void);
0786 asmlinkage long sys_geteuid(void);
0787 asmlinkage long sys_getgid(void);
0788 asmlinkage long sys_getegid(void);
0789 asmlinkage long sys_gettid(void);
0790 asmlinkage long sys_sysinfo(struct sysinfo __user *info);
0791 
0792 /* ipc/mqueue.c */
0793 asmlinkage long sys_mq_open(const char __user *name, int oflag, umode_t mode, struct mq_attr __user *attr);
0794 asmlinkage long sys_mq_unlink(const char __user *name);
0795 asmlinkage long sys_mq_timedsend(mqd_t mqdes, const char __user *msg_ptr, size_t msg_len, unsigned int msg_prio, const struct __kernel_timespec __user *abs_timeout);
0796 asmlinkage long sys_mq_timedreceive(mqd_t mqdes, char __user *msg_ptr, size_t msg_len, unsigned int __user *msg_prio, const struct __kernel_timespec __user *abs_timeout);
0797 asmlinkage long sys_mq_notify(mqd_t mqdes, const struct sigevent __user *notification);
0798 asmlinkage long sys_mq_getsetattr(mqd_t mqdes, const struct mq_attr __user *mqstat, struct mq_attr __user *omqstat);
0799 asmlinkage long sys_mq_timedreceive_time32(mqd_t mqdes,
0800             char __user *u_msg_ptr,
0801             unsigned int msg_len, unsigned int __user *u_msg_prio,
0802             const struct old_timespec32 __user *u_abs_timeout);
0803 asmlinkage long sys_mq_timedsend_time32(mqd_t mqdes,
0804             const char __user *u_msg_ptr,
0805             unsigned int msg_len, unsigned int msg_prio,
0806             const struct old_timespec32 __user *u_abs_timeout);
0807 
0808 /* ipc/msg.c */
0809 asmlinkage long sys_msgget(key_t key, int msgflg);
0810 asmlinkage long sys_old_msgctl(int msqid, int cmd, struct msqid_ds __user *buf);
0811 asmlinkage long sys_msgctl(int msqid, int cmd, struct msqid_ds __user *buf);
0812 asmlinkage long sys_msgrcv(int msqid, struct msgbuf __user *msgp,
0813                 size_t msgsz, long msgtyp, int msgflg);
0814 asmlinkage long sys_msgsnd(int msqid, struct msgbuf __user *msgp,
0815                 size_t msgsz, int msgflg);
0816 
0817 /* ipc/sem.c */
0818 asmlinkage long sys_semget(key_t key, int nsems, int semflg);
0819 asmlinkage long sys_semctl(int semid, int semnum, int cmd, unsigned long arg);
0820 asmlinkage long sys_old_semctl(int semid, int semnum, int cmd, unsigned long arg);
0821 asmlinkage long sys_semtimedop(int semid, struct sembuf __user *sops,
0822                 unsigned nsops,
0823                 const struct __kernel_timespec __user *timeout);
0824 asmlinkage long sys_semtimedop_time32(int semid, struct sembuf __user *sops,
0825                 unsigned nsops,
0826                 const struct old_timespec32 __user *timeout);
0827 asmlinkage long sys_semop(int semid, struct sembuf __user *sops,
0828                 unsigned nsops);
0829 
0830 /* ipc/shm.c */
0831 asmlinkage long sys_shmget(key_t key, size_t size, int flag);
0832 asmlinkage long sys_old_shmctl(int shmid, int cmd, struct shmid_ds __user *buf);
0833 asmlinkage long sys_shmctl(int shmid, int cmd, struct shmid_ds __user *buf);
0834 asmlinkage long sys_shmat(int shmid, char __user *shmaddr, int shmflg);
0835 asmlinkage long sys_shmdt(char __user *shmaddr);
0836 
0837 /* net/socket.c */
0838 asmlinkage long sys_socket(int, int, int);
0839 asmlinkage long sys_socketpair(int, int, int, int __user *);
0840 asmlinkage long sys_bind(int, struct sockaddr __user *, int);
0841 asmlinkage long sys_listen(int, int);
0842 asmlinkage long sys_accept(int, struct sockaddr __user *, int __user *);
0843 asmlinkage long sys_connect(int, struct sockaddr __user *, int);
0844 asmlinkage long sys_getsockname(int, struct sockaddr __user *, int __user *);
0845 asmlinkage long sys_getpeername(int, struct sockaddr __user *, int __user *);
0846 asmlinkage long sys_sendto(int, void __user *, size_t, unsigned,
0847                 struct sockaddr __user *, int);
0848 asmlinkage long sys_recvfrom(int, void __user *, size_t, unsigned,
0849                 struct sockaddr __user *, int __user *);
0850 asmlinkage long sys_setsockopt(int fd, int level, int optname,
0851                 char __user *optval, int optlen);
0852 asmlinkage long sys_getsockopt(int fd, int level, int optname,
0853                 char __user *optval, int __user *optlen);
0854 asmlinkage long sys_shutdown(int, int);
0855 asmlinkage long sys_sendmsg(int fd, struct user_msghdr __user *msg, unsigned flags);
0856 asmlinkage long sys_recvmsg(int fd, struct user_msghdr __user *msg, unsigned flags);
0857 
0858 /* mm/filemap.c */
0859 asmlinkage long sys_readahead(int fd, loff_t offset, size_t count);
0860 
0861 /* mm/nommu.c, also with MMU */
0862 asmlinkage long sys_brk(unsigned long brk);
0863 asmlinkage long sys_munmap(unsigned long addr, size_t len);
0864 asmlinkage long sys_mremap(unsigned long addr,
0865                unsigned long old_len, unsigned long new_len,
0866                unsigned long flags, unsigned long new_addr);
0867 
0868 /* security/keys/keyctl.c */
0869 asmlinkage long sys_add_key(const char __user *_type,
0870                 const char __user *_description,
0871                 const void __user *_payload,
0872                 size_t plen,
0873                 key_serial_t destringid);
0874 asmlinkage long sys_request_key(const char __user *_type,
0875                 const char __user *_description,
0876                 const char __user *_callout_info,
0877                 key_serial_t destringid);
0878 asmlinkage long sys_keyctl(int cmd, unsigned long arg2, unsigned long arg3,
0879                unsigned long arg4, unsigned long arg5);
0880 
0881 /* arch/example/kernel/sys_example.c */
0882 #ifdef CONFIG_CLONE_BACKWARDS
0883 asmlinkage long sys_clone(unsigned long, unsigned long, int __user *, unsigned long,
0884            int __user *);
0885 #else
0886 #ifdef CONFIG_CLONE_BACKWARDS3
0887 asmlinkage long sys_clone(unsigned long, unsigned long, int, int __user *,
0888               int __user *, unsigned long);
0889 #else
0890 asmlinkage long sys_clone(unsigned long, unsigned long, int __user *,
0891            int __user *, unsigned long);
0892 #endif
0893 #endif
0894 
0895 asmlinkage long sys_clone3(struct clone_args __user *uargs, size_t size);
0896 
0897 asmlinkage long sys_execve(const char __user *filename,
0898         const char __user *const __user *argv,
0899         const char __user *const __user *envp);
0900 
0901 /* mm/fadvise.c */
0902 asmlinkage long sys_fadvise64_64(int fd, loff_t offset, loff_t len, int advice);
0903 
0904 /* mm/, CONFIG_MMU only */
0905 asmlinkage long sys_swapon(const char __user *specialfile, int swap_flags);
0906 asmlinkage long sys_swapoff(const char __user *specialfile);
0907 asmlinkage long sys_mprotect(unsigned long start, size_t len,
0908                 unsigned long prot);
0909 asmlinkage long sys_msync(unsigned long start, size_t len, int flags);
0910 asmlinkage long sys_mlock(unsigned long start, size_t len);
0911 asmlinkage long sys_munlock(unsigned long start, size_t len);
0912 asmlinkage long sys_mlockall(int flags);
0913 asmlinkage long sys_munlockall(void);
0914 asmlinkage long sys_mincore(unsigned long start, size_t len,
0915                 unsigned char __user * vec);
0916 asmlinkage long sys_madvise(unsigned long start, size_t len, int behavior);
0917 asmlinkage long sys_process_madvise(int pidfd, const struct iovec __user *vec,
0918             size_t vlen, int behavior, unsigned int flags);
0919 asmlinkage long sys_process_mrelease(int pidfd, unsigned int flags);
0920 asmlinkage long sys_remap_file_pages(unsigned long start, unsigned long size,
0921             unsigned long prot, unsigned long pgoff,
0922             unsigned long flags);
0923 asmlinkage long sys_mbind(unsigned long start, unsigned long len,
0924                 unsigned long mode,
0925                 const unsigned long __user *nmask,
0926                 unsigned long maxnode,
0927                 unsigned flags);
0928 asmlinkage long sys_get_mempolicy(int __user *policy,
0929                 unsigned long __user *nmask,
0930                 unsigned long maxnode,
0931                 unsigned long addr, unsigned long flags);
0932 asmlinkage long sys_set_mempolicy(int mode, const unsigned long __user *nmask,
0933                 unsigned long maxnode);
0934 asmlinkage long sys_migrate_pages(pid_t pid, unsigned long maxnode,
0935                 const unsigned long __user *from,
0936                 const unsigned long __user *to);
0937 asmlinkage long sys_move_pages(pid_t pid, unsigned long nr_pages,
0938                 const void __user * __user *pages,
0939                 const int __user *nodes,
0940                 int __user *status,
0941                 int flags);
0942 
0943 asmlinkage long sys_rt_tgsigqueueinfo(pid_t tgid, pid_t  pid, int sig,
0944         siginfo_t __user *uinfo);
0945 asmlinkage long sys_perf_event_open(
0946         struct perf_event_attr __user *attr_uptr,
0947         pid_t pid, int cpu, int group_fd, unsigned long flags);
0948 asmlinkage long sys_accept4(int, struct sockaddr __user *, int __user *, int);
0949 asmlinkage long sys_recvmmsg(int fd, struct mmsghdr __user *msg,
0950                  unsigned int vlen, unsigned flags,
0951                  struct __kernel_timespec __user *timeout);
0952 asmlinkage long sys_recvmmsg_time32(int fd, struct mmsghdr __user *msg,
0953                  unsigned int vlen, unsigned flags,
0954                  struct old_timespec32 __user *timeout);
0955 
0956 asmlinkage long sys_wait4(pid_t pid, int __user *stat_addr,
0957                 int options, struct rusage __user *ru);
0958 asmlinkage long sys_prlimit64(pid_t pid, unsigned int resource,
0959                 const struct rlimit64 __user *new_rlim,
0960                 struct rlimit64 __user *old_rlim);
0961 asmlinkage long sys_fanotify_init(unsigned int flags, unsigned int event_f_flags);
0962 asmlinkage long sys_fanotify_mark(int fanotify_fd, unsigned int flags,
0963                   u64 mask, int fd,
0964                   const char  __user *pathname);
0965 asmlinkage long sys_name_to_handle_at(int dfd, const char __user *name,
0966                       struct file_handle __user *handle,
0967                       int __user *mnt_id, int flag);
0968 asmlinkage long sys_open_by_handle_at(int mountdirfd,
0969                       struct file_handle __user *handle,
0970                       int flags);
0971 asmlinkage long sys_clock_adjtime(clockid_t which_clock,
0972                 struct __kernel_timex __user *tx);
0973 asmlinkage long sys_clock_adjtime32(clockid_t which_clock,
0974                 struct old_timex32 __user *tx);
0975 asmlinkage long sys_syncfs(int fd);
0976 asmlinkage long sys_setns(int fd, int nstype);
0977 asmlinkage long sys_pidfd_open(pid_t pid, unsigned int flags);
0978 asmlinkage long sys_sendmmsg(int fd, struct mmsghdr __user *msg,
0979                  unsigned int vlen, unsigned flags);
0980 asmlinkage long sys_process_vm_readv(pid_t pid,
0981                      const struct iovec __user *lvec,
0982                      unsigned long liovcnt,
0983                      const struct iovec __user *rvec,
0984                      unsigned long riovcnt,
0985                      unsigned long flags);
0986 asmlinkage long sys_process_vm_writev(pid_t pid,
0987                       const struct iovec __user *lvec,
0988                       unsigned long liovcnt,
0989                       const struct iovec __user *rvec,
0990                       unsigned long riovcnt,
0991                       unsigned long flags);
0992 asmlinkage long sys_kcmp(pid_t pid1, pid_t pid2, int type,
0993              unsigned long idx1, unsigned long idx2);
0994 asmlinkage long sys_finit_module(int fd, const char __user *uargs, int flags);
0995 asmlinkage long sys_sched_setattr(pid_t pid,
0996                     struct sched_attr __user *attr,
0997                     unsigned int flags);
0998 asmlinkage long sys_sched_getattr(pid_t pid,
0999                     struct sched_attr __user *attr,
1000                     unsigned int size,
1001                     unsigned int flags);
1002 asmlinkage long sys_renameat2(int olddfd, const char __user *oldname,
1003                   int newdfd, const char __user *newname,
1004                   unsigned int flags);
1005 asmlinkage long sys_seccomp(unsigned int op, unsigned int flags,
1006                 void __user *uargs);
1007 asmlinkage long sys_getrandom(char __user *buf, size_t count,
1008                   unsigned int flags);
1009 asmlinkage long sys_memfd_create(const char __user *uname_ptr, unsigned int flags);
1010 asmlinkage long sys_bpf(int cmd, union bpf_attr *attr, unsigned int size);
1011 asmlinkage long sys_execveat(int dfd, const char __user *filename,
1012             const char __user *const __user *argv,
1013             const char __user *const __user *envp, int flags);
1014 asmlinkage long sys_userfaultfd(int flags);
1015 asmlinkage long sys_membarrier(int cmd, unsigned int flags, int cpu_id);
1016 asmlinkage long sys_mlock2(unsigned long start, size_t len, int flags);
1017 asmlinkage long sys_copy_file_range(int fd_in, loff_t __user *off_in,
1018                     int fd_out, loff_t __user *off_out,
1019                     size_t len, unsigned int flags);
1020 asmlinkage long sys_preadv2(unsigned long fd, const struct iovec __user *vec,
1021                 unsigned long vlen, unsigned long pos_l, unsigned long pos_h,
1022                 rwf_t flags);
1023 asmlinkage long sys_pwritev2(unsigned long fd, const struct iovec __user *vec,
1024                 unsigned long vlen, unsigned long pos_l, unsigned long pos_h,
1025                 rwf_t flags);
1026 asmlinkage long sys_pkey_mprotect(unsigned long start, size_t len,
1027                   unsigned long prot, int pkey);
1028 asmlinkage long sys_pkey_alloc(unsigned long flags, unsigned long init_val);
1029 asmlinkage long sys_pkey_free(int pkey);
1030 asmlinkage long sys_statx(int dfd, const char __user *path, unsigned flags,
1031               unsigned mask, struct statx __user *buffer);
1032 asmlinkage long sys_rseq(struct rseq __user *rseq, uint32_t rseq_len,
1033              int flags, uint32_t sig);
1034 asmlinkage long sys_open_tree(int dfd, const char __user *path, unsigned flags);
1035 asmlinkage long sys_move_mount(int from_dfd, const char __user *from_path,
1036                    int to_dfd, const char __user *to_path,
1037                    unsigned int ms_flags);
1038 asmlinkage long sys_mount_setattr(int dfd, const char __user *path,
1039                   unsigned int flags,
1040                   struct mount_attr __user *uattr, size_t usize);
1041 asmlinkage long sys_fsopen(const char __user *fs_name, unsigned int flags);
1042 asmlinkage long sys_fsconfig(int fs_fd, unsigned int cmd, const char __user *key,
1043                  const void __user *value, int aux);
1044 asmlinkage long sys_fsmount(int fs_fd, unsigned int flags, unsigned int ms_flags);
1045 asmlinkage long sys_fspick(int dfd, const char __user *path, unsigned int flags);
1046 asmlinkage long sys_pidfd_send_signal(int pidfd, int sig,
1047                        siginfo_t __user *info,
1048                        unsigned int flags);
1049 asmlinkage long sys_pidfd_getfd(int pidfd, int fd, unsigned int flags);
1050 asmlinkage long sys_landlock_create_ruleset(const struct landlock_ruleset_attr __user *attr,
1051         size_t size, __u32 flags);
1052 asmlinkage long sys_landlock_add_rule(int ruleset_fd, enum landlock_rule_type rule_type,
1053         const void __user *rule_attr, __u32 flags);
1054 asmlinkage long sys_landlock_restrict_self(int ruleset_fd, __u32 flags);
1055 asmlinkage long sys_memfd_secret(unsigned int flags);
1056 asmlinkage long sys_set_mempolicy_home_node(unsigned long start, unsigned long len,
1057                         unsigned long home_node,
1058                         unsigned long flags);
1059 
1060 /*
1061  * Architecture-specific system calls
1062  */
1063 
1064 /* arch/x86/kernel/ioport.c */
1065 asmlinkage long sys_ioperm(unsigned long from, unsigned long num, int on);
1066 
1067 /* pciconfig: alpha, arm, arm64, ia64, sparc */
1068 asmlinkage long sys_pciconfig_read(unsigned long bus, unsigned long dfn,
1069                 unsigned long off, unsigned long len,
1070                 void __user *buf);
1071 asmlinkage long sys_pciconfig_write(unsigned long bus, unsigned long dfn,
1072                 unsigned long off, unsigned long len,
1073                 void __user *buf);
1074 asmlinkage long sys_pciconfig_iobase(long which, unsigned long bus, unsigned long devfn);
1075 
1076 /* powerpc */
1077 asmlinkage long sys_spu_run(int fd, __u32 __user *unpc,
1078                  __u32 __user *ustatus);
1079 asmlinkage long sys_spu_create(const char __user *name,
1080         unsigned int flags, umode_t mode, int fd);
1081 
1082 
1083 /*
1084  * Deprecated system calls which are still defined in
1085  * include/uapi/asm-generic/unistd.h and wanted by >= 1 arch
1086  */
1087 
1088 /* __ARCH_WANT_SYSCALL_NO_AT */
1089 asmlinkage long sys_open(const char __user *filename,
1090                 int flags, umode_t mode);
1091 asmlinkage long sys_link(const char __user *oldname,
1092                 const char __user *newname);
1093 asmlinkage long sys_unlink(const char __user *pathname);
1094 asmlinkage long sys_mknod(const char __user *filename, umode_t mode,
1095                 unsigned dev);
1096 asmlinkage long sys_chmod(const char __user *filename, umode_t mode);
1097 asmlinkage long sys_chown(const char __user *filename,
1098                 uid_t user, gid_t group);
1099 asmlinkage long sys_mkdir(const char __user *pathname, umode_t mode);
1100 asmlinkage long sys_rmdir(const char __user *pathname);
1101 asmlinkage long sys_lchown(const char __user *filename,
1102                 uid_t user, gid_t group);
1103 asmlinkage long sys_access(const char __user *filename, int mode);
1104 asmlinkage long sys_rename(const char __user *oldname,
1105                 const char __user *newname);
1106 asmlinkage long sys_symlink(const char __user *old, const char __user *new);
1107 #if defined(__ARCH_WANT_STAT64) || defined(__ARCH_WANT_COMPAT_STAT64)
1108 asmlinkage long sys_stat64(const char __user *filename,
1109                 struct stat64 __user *statbuf);
1110 asmlinkage long sys_lstat64(const char __user *filename,
1111                 struct stat64 __user *statbuf);
1112 #endif
1113 
1114 /* __ARCH_WANT_SYSCALL_NO_FLAGS */
1115 asmlinkage long sys_pipe(int __user *fildes);
1116 asmlinkage long sys_dup2(unsigned int oldfd, unsigned int newfd);
1117 asmlinkage long sys_epoll_create(int size);
1118 asmlinkage long sys_inotify_init(void);
1119 asmlinkage long sys_eventfd(unsigned int count);
1120 asmlinkage long sys_signalfd(int ufd, sigset_t __user *user_mask, size_t sizemask);
1121 
1122 /* __ARCH_WANT_SYSCALL_OFF_T */
1123 asmlinkage long sys_sendfile(int out_fd, int in_fd,
1124                  off_t __user *offset, size_t count);
1125 asmlinkage long sys_newstat(const char __user *filename,
1126                 struct stat __user *statbuf);
1127 asmlinkage long sys_newlstat(const char __user *filename,
1128                 struct stat __user *statbuf);
1129 asmlinkage long sys_fadvise64(int fd, loff_t offset, size_t len, int advice);
1130 
1131 /* __ARCH_WANT_SYSCALL_DEPRECATED */
1132 asmlinkage long sys_alarm(unsigned int seconds);
1133 asmlinkage long sys_getpgrp(void);
1134 asmlinkage long sys_pause(void);
1135 asmlinkage long sys_time(__kernel_old_time_t __user *tloc);
1136 asmlinkage long sys_time32(old_time32_t __user *tloc);
1137 #ifdef __ARCH_WANT_SYS_UTIME
1138 asmlinkage long sys_utime(char __user *filename,
1139                 struct utimbuf __user *times);
1140 asmlinkage long sys_utimes(char __user *filename,
1141                 struct __kernel_old_timeval __user *utimes);
1142 asmlinkage long sys_futimesat(int dfd, const char __user *filename,
1143                   struct __kernel_old_timeval __user *utimes);
1144 #endif
1145 asmlinkage long sys_futimesat_time32(unsigned int dfd,
1146                      const char __user *filename,
1147                      struct old_timeval32 __user *t);
1148 asmlinkage long sys_utime32(const char __user *filename,
1149                  struct old_utimbuf32 __user *t);
1150 asmlinkage long sys_utimes_time32(const char __user *filename,
1151                   struct old_timeval32 __user *t);
1152 asmlinkage long sys_creat(const char __user *pathname, umode_t mode);
1153 asmlinkage long sys_getdents(unsigned int fd,
1154                 struct linux_dirent __user *dirent,
1155                 unsigned int count);
1156 asmlinkage long sys_select(int n, fd_set __user *inp, fd_set __user *outp,
1157             fd_set __user *exp, struct __kernel_old_timeval __user *tvp);
1158 asmlinkage long sys_poll(struct pollfd __user *ufds, unsigned int nfds,
1159                 int timeout);
1160 asmlinkage long sys_epoll_wait(int epfd, struct epoll_event __user *events,
1161                 int maxevents, int timeout);
1162 asmlinkage long sys_ustat(unsigned dev, struct ustat __user *ubuf);
1163 asmlinkage long sys_vfork(void);
1164 asmlinkage long sys_recv(int, void __user *, size_t, unsigned);
1165 asmlinkage long sys_send(int, void __user *, size_t, unsigned);
1166 asmlinkage long sys_oldumount(char __user *name);
1167 asmlinkage long sys_uselib(const char __user *library);
1168 asmlinkage long sys_sysfs(int option,
1169                 unsigned long arg1, unsigned long arg2);
1170 asmlinkage long sys_fork(void);
1171 
1172 /* obsolete: kernel/time/time.c */
1173 asmlinkage long sys_stime(__kernel_old_time_t __user *tptr);
1174 asmlinkage long sys_stime32(old_time32_t __user *tptr);
1175 
1176 /* obsolete: kernel/signal.c */
1177 asmlinkage long sys_sigpending(old_sigset_t __user *uset);
1178 asmlinkage long sys_sigprocmask(int how, old_sigset_t __user *set,
1179                 old_sigset_t __user *oset);
1180 #ifdef CONFIG_OLD_SIGSUSPEND
1181 asmlinkage long sys_sigsuspend(old_sigset_t mask);
1182 #endif
1183 
1184 #ifdef CONFIG_OLD_SIGSUSPEND3
1185 asmlinkage long sys_sigsuspend(int unused1, int unused2, old_sigset_t mask);
1186 #endif
1187 
1188 #ifdef CONFIG_OLD_SIGACTION
1189 asmlinkage long sys_sigaction(int, const struct old_sigaction __user *,
1190                 struct old_sigaction __user *);
1191 #endif
1192 asmlinkage long sys_sgetmask(void);
1193 asmlinkage long sys_ssetmask(int newmask);
1194 asmlinkage long sys_signal(int sig, __sighandler_t handler);
1195 
1196 /* obsolete: kernel/sched/core.c */
1197 asmlinkage long sys_nice(int increment);
1198 
1199 /* obsolete: kernel/kexec_file.c */
1200 asmlinkage long sys_kexec_file_load(int kernel_fd, int initrd_fd,
1201                     unsigned long cmdline_len,
1202                     const char __user *cmdline_ptr,
1203                     unsigned long flags);
1204 
1205 /* obsolete: kernel/exit.c */
1206 asmlinkage long sys_waitpid(pid_t pid, int __user *stat_addr, int options);
1207 
1208 /* obsolete: kernel/uid16.c */
1209 #ifdef CONFIG_HAVE_UID16
1210 asmlinkage long sys_chown16(const char __user *filename,
1211                 old_uid_t user, old_gid_t group);
1212 asmlinkage long sys_lchown16(const char __user *filename,
1213                 old_uid_t user, old_gid_t group);
1214 asmlinkage long sys_fchown16(unsigned int fd, old_uid_t user, old_gid_t group);
1215 asmlinkage long sys_setregid16(old_gid_t rgid, old_gid_t egid);
1216 asmlinkage long sys_setgid16(old_gid_t gid);
1217 asmlinkage long sys_setreuid16(old_uid_t ruid, old_uid_t euid);
1218 asmlinkage long sys_setuid16(old_uid_t uid);
1219 asmlinkage long sys_setresuid16(old_uid_t ruid, old_uid_t euid, old_uid_t suid);
1220 asmlinkage long sys_getresuid16(old_uid_t __user *ruid,
1221                 old_uid_t __user *euid, old_uid_t __user *suid);
1222 asmlinkage long sys_setresgid16(old_gid_t rgid, old_gid_t egid, old_gid_t sgid);
1223 asmlinkage long sys_getresgid16(old_gid_t __user *rgid,
1224                 old_gid_t __user *egid, old_gid_t __user *sgid);
1225 asmlinkage long sys_setfsuid16(old_uid_t uid);
1226 asmlinkage long sys_setfsgid16(old_gid_t gid);
1227 asmlinkage long sys_getgroups16(int gidsetsize, old_gid_t __user *grouplist);
1228 asmlinkage long sys_setgroups16(int gidsetsize, old_gid_t __user *grouplist);
1229 asmlinkage long sys_getuid16(void);
1230 asmlinkage long sys_geteuid16(void);
1231 asmlinkage long sys_getgid16(void);
1232 asmlinkage long sys_getegid16(void);
1233 #endif
1234 
1235 /* obsolete: net/socket.c */
1236 asmlinkage long sys_socketcall(int call, unsigned long __user *args);
1237 
1238 /* obsolete: fs/stat.c */
1239 asmlinkage long sys_stat(const char __user *filename,
1240             struct __old_kernel_stat __user *statbuf);
1241 asmlinkage long sys_lstat(const char __user *filename,
1242             struct __old_kernel_stat __user *statbuf);
1243 asmlinkage long sys_fstat(unsigned int fd,
1244             struct __old_kernel_stat __user *statbuf);
1245 asmlinkage long sys_readlink(const char __user *path,
1246                 char __user *buf, int bufsiz);
1247 
1248 /* obsolete: fs/select.c */
1249 asmlinkage long sys_old_select(struct sel_arg_struct __user *arg);
1250 
1251 /* obsolete: fs/readdir.c */
1252 asmlinkage long sys_old_readdir(unsigned int, struct old_linux_dirent __user *, unsigned int);
1253 
1254 /* obsolete: kernel/sys.c */
1255 asmlinkage long sys_gethostname(char __user *name, int len);
1256 asmlinkage long sys_uname(struct old_utsname __user *);
1257 asmlinkage long sys_olduname(struct oldold_utsname __user *);
1258 #ifdef __ARCH_WANT_SYS_OLD_GETRLIMIT
1259 asmlinkage long sys_old_getrlimit(unsigned int resource, struct rlimit __user *rlim);
1260 #endif
1261 
1262 /* obsolete: ipc */
1263 asmlinkage long sys_ipc(unsigned int call, int first, unsigned long second,
1264         unsigned long third, void __user *ptr, long fifth);
1265 
1266 /* obsolete: mm/ */
1267 asmlinkage long sys_mmap_pgoff(unsigned long addr, unsigned long len,
1268             unsigned long prot, unsigned long flags,
1269             unsigned long fd, unsigned long pgoff);
1270 asmlinkage long sys_old_mmap(struct mmap_arg_struct __user *arg);
1271 
1272 
1273 /*
1274  * Not a real system call, but a placeholder for syscalls which are
1275  * not implemented -- see kernel/sys_ni.c
1276  */
1277 asmlinkage long sys_ni_syscall(void);
1278 
1279 #endif /* CONFIG_ARCH_HAS_SYSCALL_WRAPPER */
1280 
1281 
1282 /*
1283  * Kernel code should not call syscalls (i.e., sys_xyzyyz()) directly.
1284  * Instead, use one of the functions which work equivalently, such as
1285  * the ksys_xyzyyz() functions prototyped below.
1286  */
1287 ssize_t ksys_write(unsigned int fd, const char __user *buf, size_t count);
1288 int ksys_fchown(unsigned int fd, uid_t user, gid_t group);
1289 ssize_t ksys_read(unsigned int fd, char __user *buf, size_t count);
1290 void ksys_sync(void);
1291 int ksys_unshare(unsigned long unshare_flags);
1292 int ksys_setsid(void);
1293 int ksys_sync_file_range(int fd, loff_t offset, loff_t nbytes,
1294              unsigned int flags);
1295 ssize_t ksys_pread64(unsigned int fd, char __user *buf, size_t count,
1296              loff_t pos);
1297 ssize_t ksys_pwrite64(unsigned int fd, const char __user *buf,
1298               size_t count, loff_t pos);
1299 int ksys_fallocate(int fd, int mode, loff_t offset, loff_t len);
1300 #ifdef CONFIG_ADVISE_SYSCALLS
1301 int ksys_fadvise64_64(int fd, loff_t offset, loff_t len, int advice);
1302 #else
1303 static inline int ksys_fadvise64_64(int fd, loff_t offset, loff_t len,
1304                     int advice)
1305 {
1306     return -EINVAL;
1307 }
1308 #endif
1309 unsigned long ksys_mmap_pgoff(unsigned long addr, unsigned long len,
1310                   unsigned long prot, unsigned long flags,
1311                   unsigned long fd, unsigned long pgoff);
1312 ssize_t ksys_readahead(int fd, loff_t offset, size_t count);
1313 int ksys_ipc(unsigned int call, int first, unsigned long second,
1314     unsigned long third, void __user * ptr, long fifth);
1315 int compat_ksys_ipc(u32 call, int first, int second,
1316     u32 third, u32 ptr, u32 fifth);
1317 
1318 /*
1319  * The following kernel syscall equivalents are just wrappers to fs-internal
1320  * functions. Therefore, provide stubs to be inlined at the callsites.
1321  */
1322 extern int do_fchownat(int dfd, const char __user *filename, uid_t user,
1323                gid_t group, int flag);
1324 
1325 static inline long ksys_chown(const char __user *filename, uid_t user,
1326                   gid_t group)
1327 {
1328     return do_fchownat(AT_FDCWD, filename, user, group, 0);
1329 }
1330 
1331 static inline long ksys_lchown(const char __user *filename, uid_t user,
1332                    gid_t group)
1333 {
1334     return do_fchownat(AT_FDCWD, filename, user, group,
1335                  AT_SYMLINK_NOFOLLOW);
1336 }
1337 
1338 extern long do_sys_ftruncate(unsigned int fd, loff_t length, int small);
1339 
1340 static inline long ksys_ftruncate(unsigned int fd, loff_t length)
1341 {
1342     return do_sys_ftruncate(fd, length, 1);
1343 }
1344 
1345 extern long do_sys_truncate(const char __user *pathname, loff_t length);
1346 
1347 static inline long ksys_truncate(const char __user *pathname, loff_t length)
1348 {
1349     return do_sys_truncate(pathname, length);
1350 }
1351 
1352 static inline unsigned int ksys_personality(unsigned int personality)
1353 {
1354     unsigned int old = current->personality;
1355 
1356     if (personality != 0xffffffff)
1357         set_personality(personality);
1358 
1359     return old;
1360 }
1361 
1362 /* for __ARCH_WANT_SYS_IPC */
1363 long ksys_semtimedop(int semid, struct sembuf __user *tsops,
1364              unsigned int nsops,
1365              const struct __kernel_timespec __user *timeout);
1366 long ksys_semget(key_t key, int nsems, int semflg);
1367 long ksys_old_semctl(int semid, int semnum, int cmd, unsigned long arg);
1368 long ksys_msgget(key_t key, int msgflg);
1369 long ksys_old_msgctl(int msqid, int cmd, struct msqid_ds __user *buf);
1370 long ksys_msgrcv(int msqid, struct msgbuf __user *msgp, size_t msgsz,
1371          long msgtyp, int msgflg);
1372 long ksys_msgsnd(int msqid, struct msgbuf __user *msgp, size_t msgsz,
1373          int msgflg);
1374 long ksys_shmget(key_t key, size_t size, int shmflg);
1375 long ksys_shmdt(char __user *shmaddr);
1376 long ksys_old_shmctl(int shmid, int cmd, struct shmid_ds __user *buf);
1377 long compat_ksys_semtimedop(int semid, struct sembuf __user *tsems,
1378                 unsigned int nsops,
1379                 const struct old_timespec32 __user *timeout);
1380 long __do_semtimedop(int semid, struct sembuf *tsems, unsigned int nsops,
1381              const struct timespec64 *timeout,
1382              struct ipc_namespace *ns);
1383 
1384 int __sys_getsockopt(int fd, int level, int optname, char __user *optval,
1385         int __user *optlen);
1386 int __sys_setsockopt(int fd, int level, int optname, char __user *optval,
1387         int optlen);
1388 #endif
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