selftests/bpf/urandom_read_lib1.c

0001 // SPDX-License-Identifier: GPL-2.0
0002 /* Copyright (c) 2022 Meta Platforms, Inc. and affiliates. */
0003 #define _SDT_HAS_SEMAPHORES 1
0004 #include "sdt.h"
0005
0006 #define SEC(name) __attribute__((section(name), used))
0007
0008 unsigned short urandlib_read_with_sema_semaphore SEC(".probes");
0009
0010 void urandlib_read_with_sema(int iter_num, int iter_cnt, int read_sz)
0011 {
0012     STAP_PROBE3(urandlib, read_with_sema, iter_num, iter_cnt, read_sz);
0013 }