// Copyright 2015 The Emscripten Authors. All rights reserved.

// Emscripten is available under two separate licenses, the MIT license and the

// University of Illinois/NCSA Open Source License. Both these licenses can be

// found in the LICENSE file.

#include <pthread.h>

#include <sys/types.h>

#include <stdio.h>

#include <stdlib.h>

#include <assert.h>

#include <unistd.h>

#include <errno.h>

#include <emscripten/console.h>

_Atomic long res = 43;

static void cleanup_handler(void *arg)

{

long a = (long)arg;

emscripten_outf("Called clean-up handler with arg %ld", a);

res -= a;

}

static void *thread_start(void *arg)

{

pthread_cleanup_push(cleanup_handler, (void*)42);

emscripten_out("Thread started!");

for(;;)

{

pthread_testcancel();

}

res = 1000; // Shouldn't ever reach here.

pthread_cleanup_pop(0);

}

pthread_t thr;

int main()

{

int s = pthread_create(&thr, NULL, thread_start, (void*)0);

assert(s == 0);

emscripten_out("Canceling thread..");

s = pthread_cancel(thr);

assert(s == 0);

for(;;)

{

int result = res;

if (result == 1)

{

emscripten_outf("After canceling, shared variable = %d", result);

return 0;

}

}

__builtin_trap();

}