src/compiler-rt/test/asan/TestCases/Windows/thread_stress.cc

   1 // RUN: %clang_cl_asan -O0 %s -Fe%t
   2 // RUN: %run %t
   3
   4 #include <windows.h>
   5
   6 DWORD WINAPI thread_proc(void *) {
   7   volatile char stack_buffer[42];
   8   for (int i = 0; i < sizeof(stack_buffer); ++i)
   9     stack_buffer[i] = 42;
  10   return 0;
  11 }
  12
  13 int main(void) {
  14   for (int iter = 0; iter < 1024; ++iter) {
  15     const int NUM_THREADS = 8;
  16     HANDLE thr[NUM_THREADS];
  17     for (int i = 0; i < NUM_THREADS; ++i) {
  18       thr[i] = CreateThread(NULL, 0, thread_proc, NULL, 0, NULL);
  19       if (thr[i] == 0)
  20         return 1;
  21     }
  22     for (int i = 0; i < NUM_THREADS; ++i) {
  23       if (WAIT_OBJECT_0 != WaitForSingleObject(thr[i], INFINITE))
  24         return 2;
  25       CloseHandle(thr[i]);
  26     }
  27   }
  28   return 0;
  29 }
  30