compiler-rt/test/sanitizer_common/TestCases/Posix/create_thread_fail.cpp

   1 // Sanitizer should not crash if pthread_create fails.
   2 // RUN: %clangxx -pthread %s -o %t && %run %t
   3
   4 // pthread_create with lsan i386 does not fail here.
   5 // UNSUPPORTED: i386-linux && lsan
   6
   7 #include <cassert>
   8 #include <pthread.h>
   9 #include <stdlib.h>
  10
  11 void *null_func(void *args) {
  12   return NULL;
  13 }
  14
  15 int main(void) {
  16   pthread_t thread;
  17   pthread_attr_t attrs;
  18   pthread_attr_init(&attrs);
  19   // Set size huge enough to fail pthread_create.
  20   size_t sz = ~0;
  21   // Align the size just in case.
  22   sz >>= 16;
  23   sz <<= 16;
  24   int res = pthread_attr_setstacksize(&attrs, sz);
  25   assert(res == 0);
  26   for (size_t i = 0; i < 10; ++i) {
  27     res = pthread_create(&thread, &attrs, null_func, NULL);
  28     assert(res != 0);
  29   }
  30   return 0;
  31 }