compiler-rt/test/msan/sem_getvalue.cpp

   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
   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 }