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// Copyright 2019 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 <stdio.h>
#include <stdlib.h>
#include <memory.h>
#include <pthread.h>
#include <emscripten/console.h>
#include <assert.h>
#include <thread>
struct Test {
int threadId;
};
void *ThreadMain(void *arg) {
emscripten_outf("Thread %d finished, exit()ing", ((Test*)arg)->threadId);
pthread_exit(0);
}
void RunTest(int test) {
int NUM_THREADS = std::thread::hardware_concurrency();
assert(NUM_THREADS > 0);
emscripten_outf("Main: Test %d starting, with num cores: %d", test, NUM_THREADS);
struct Test t[NUM_THREADS];
pthread_t thread[NUM_THREADS];
pthread_attr_t attr;
pthread_attr_init(&attr);
pthread_attr_setstacksize(&attr, 4*1024);
emscripten_outf("Main thread has thread ID %ld", pthread_self());
assert(pthread_self() != 0);
emscripten_outf("Main: Starting test %d", test);
for (int i = 0; i < NUM_THREADS; ++i) {
t[i].threadId = i;
int rc = pthread_create(&thread[i], &attr, ThreadMain, &t[i]);
assert(rc == 0);
}
pthread_attr_destroy(&attr);
for (int i = 0; i < NUM_THREADS; ++i) {
int status = 1;
int rc = pthread_join(thread[i], (void**)&status);
assert(rc == 0);
assert(status == 0);
}
emscripten_outf("Main: Test %d finished", test);
}
int main() {
// Do a bunch of joins, verifying the Worker pool works.
for (int i = 0; i < 7; ++i) {
RunTest(i);
}
printf("Main: Test successfully finished.\n");
return 0;
}
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