1/* RUN: %clangxx_msan -O0 %s -o %t && %run %t 2>&1
2
3 REQUIRES: target={{.*(linux|freebsd).*}}
4*/
5
6#include <assert.h>
7#include <sys/eventfd.h>
8
9#include <sanitizer/msan_interface.h>
10
11int main(int argc, char *argv[]) {
12 int efd = eventfd(count: 42, flags: 0);
13 assert(efd >= 0);
14
15 eventfd_t v;
16 int ret = eventfd_read(fd: efd, value: &v);
17 assert(ret == 0);
18 __msan_check_mem_is_initialized(x: &v, size: sizeof(v));
19
20 assert(v == 42);
21}
22

source code of compiler-rt/test/msan/eventfd.cpp