thread_stress.cpp
692 Bytes
// RUN: %clang_cl_asan -Od %s -Fe%t
// RUN: %run %t
#include <windows.h>
DWORD WINAPI thread_proc(void *) {
volatile char stack_buffer[42];
for (int i = 0; i < sizeof(stack_buffer); ++i)
stack_buffer[i] = 42;
return 0;
}
int main(void) {
for (int iter = 0; iter < 1024; ++iter) {
const int NUM_THREADS = 8;
HANDLE thr[NUM_THREADS];
for (int i = 0; i < NUM_THREADS; ++i) {
thr[i] = CreateThread(NULL, 0, thread_proc, NULL, 0, NULL);
if (thr[i] == 0)
return 1;
}
for (int i = 0; i < NUM_THREADS; ++i) {
if (WAIT_OBJECT_0 != WaitForSingleObject(thr[i], INFINITE))
return 2;
CloseHandle(thr[i]);
}
}
return 0;
}