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// 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();
}
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