compiler-rt/test/msan/eventfd.cpp

   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
  11 int main(int argc, char *argv[]) {
  12   int efd = eventfd(42, 0);
  13   assert(efd >= 0);
  14
  15   eventfd_t v;
  16   int ret = eventfd_read(efd, &v);
  17   assert(ret == 0);
  18   __msan_check_mem_is_initialized(&v, sizeof(v));
  19
  20   assert(v == 42);
  21 }