36 lines · c
1// SPDX-License-Identifier: GPL-2.02/* Copyright (c) 2022 Meta Platforms, Inc. and affiliates. */3#define _SDT_HAS_SEMAPHORES 14#include "sdt.h"5 6#define SHARED 17#include "bpf/libbpf_internal.h"8 9#define SEC(name) __attribute__((section(name), used))10 11unsigned short urandlib_read_with_sema_semaphore SEC(".probes");12 13void urandlib_read_with_sema(int iter_num, int iter_cnt, int read_sz)14{15 STAP_PROBE3(urandlib, read_with_sema, iter_num, iter_cnt, read_sz);16}17 18COMPAT_VERSION(urandlib_api_v1, urandlib_api, LIBURANDOM_READ_1.0.0)19int urandlib_api_v1(void)20{21 return 1;22}23 24DEFAULT_VERSION(urandlib_api_v2, urandlib_api, LIBURANDOM_READ_2.0.0)25int urandlib_api_v2(void)26{27 return 2;28}29 30COMPAT_VERSION(urandlib_api_sameoffset, urandlib_api_sameoffset, LIBURANDOM_READ_1.0.0)31DEFAULT_VERSION(urandlib_api_sameoffset, urandlib_api_sameoffset, LIBURANDOM_READ_2.0.0)32int urandlib_api_sameoffset(void)33{34 return 3;35}36