File: thread_stress.cpp

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.8-1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,696 kB
  • sloc: cpp: 7,438,781; ansic: 1,393,871; asm: 1,012,926; python: 241,771; f90: 86,635; objc: 75,411; lisp: 42,144; pascal: 17,286; sh: 8,596; ml: 5,082; perl: 4,730; makefile: 3,591; awk: 3,523; javascript: 2,251; xml: 892; fortran: 672
file content (30 lines) | stat: -rw-r--r-- 692 bytes parent folder | download | duplicates (22) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
 
// 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;
}