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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 <assert.h>
#include <stdio.h>
#include <pthread.h>
#include <emscripten.h>
#include <emscripten/threading.h>
_Atomic int numInitialized = 0;
void once_init()
{
numInitialized++;
}
#define NUM_THREADS 8
void *thread_main(void *arg)
{
static pthread_once_t control = PTHREAD_ONCE_INIT;
pthread_once(&control, &once_init);
assert(numInitialized == 1);
pthread_exit(0);
}
pthread_t thread[NUM_THREADS];
int main()
{
assert(numInitialized == 0);
for(int i = 0; i < NUM_THREADS; ++i) pthread_create(&thread[i], NULL, thread_main, 0);
if (emscripten_has_threading_support()) {
for(int i = 0; i < NUM_THREADS; ++i) pthread_join(thread[i], NULL);
assert(numInitialized == 1);
}
return 0;
}
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