compiler-rt/test/tsan/ignore_lib_lib.h

   1 #include <pthread.h>
   2 #include <string.h>
   3 #include <stdlib.h>
   4 #include <stdio.h>
   5 #include <unistd.h>
   6
   7 void *volatile mem;
   8 volatile int len;
   9
  10 void *Thread(void *p) {
  11   while ((p = __atomic_load_n(&mem, __ATOMIC_ACQUIRE)) == 0)
  12     usleep(100);
  13   memset(p, 0, len);
  14   return 0;
  15 }
  16
  17 extern "C" void libfunc() {
  18   pthread_t t;
  19   pthread_create(&t, 0, Thread, 0);
  20   len = 10;
  21   __atomic_store_n(&mem, malloc(len), __ATOMIC_RELEASE);
  22   pthread_join(t, 0);
  23   free(mem);
  24   fprintf(stderr, "OK\n");
  25 }