compiler-rt/test/msan/Linux/eventfd.cpp

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