xref: /aosp_15_r20/external/compiler-rt/test/msan/sem_getvalue.cc (revision 7c3d14c8b49c529e04be81a3ce6f5cc23712e4c6) 
1 // RUN: %clangxx_msan -O0 -g %s -o %t && %run %t
2 
3 #include <assert.h>
4 #include <sanitizer/msan_interface.h>
5 #include <semaphore.h>
6 
main(void)7 int main(void) {
8   sem_t sem;
9   int res = sem_init(&sem, 0, 42);
10   assert(res == 0);
11 
12   int v;
13   res = sem_getvalue(&sem, &v);
14   assert(res == 0);
15   __msan_check_mem_is_initialized(&v, sizeof(v));
16   assert(v == 42);
17 
18   res = sem_destroy(&sem);
19   assert(res == 0);
20 
21   return 0;
22 }
23