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 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56
|
// 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/em_asm.h>
_Atomic long res = 43;
static void cleanup_handler(void *arg)
{
EM_ASM(out('Called clean-up handler with arg ' + $0), arg);
long a = (long)arg;
res -= a;
}
static void *thread_start(void *arg)
{
pthread_cleanup_push(cleanup_handler, (void*)42);
EM_ASM(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);
EM_ASM(out('Canceling thread..'););
s = pthread_cancel(thr);
assert(s == 0);
for(;;)
{
int result = res;
if (result == 1)
{
EM_ASM_INT( { out('After canceling, shared variable = ' + $0 + '.'); }, result);
return 0;
}
}
__builtin_trap();
}
|