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// Copyright 2016 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 <emscripten/threading.h>
#include <stdio.h>
#include <assert.h>
#include <math.h>
volatile int func_called = 0;
void v()
{
emscripten_atomic_add_u32((void*)&func_called, 1);
}
void test_sync()
{
printf("Testing sync proxied runs:\n");
emscripten_atomic_store_u32((void*)&func_called, 0);
for(int i = 0; i < 1000; ++i)
{
emscripten_sync_run_in_main_runtime_thread(EM_FUNC_SIG_V, v);
assert(emscripten_atomic_load_u32((void*)&func_called) == i+1);
}
}
void test_async()
{
printf("Testing async proxied runs:\n");
emscripten_atomic_store_u32((void*)&func_called, 0);
for(int i = 0; i < 1000; ++i)
{
emscripten_async_run_in_main_runtime_thread(EM_FUNC_SIG_V, v);
}
while(emscripten_atomic_load_u32((void*)&func_called) != 1000)
;
}
void test_async_waitable()
{
printf("Testing waitable async proxied runs:\n");
emscripten_atomic_store_u32((void*)&func_called, 0);
em_queued_call* handles[1000];
for(int i = 0; i < 1000; ++i)
{
handles[i] = emscripten_async_waitable_run_in_main_runtime_thread(EM_FUNC_SIG_V, v);
}
EMSCRIPTEN_RESULT r = emscripten_wait_for_call_v(handles[999], INFINITY);
assert(r == EMSCRIPTEN_RESULT_SUCCESS);
// Since ordering is guaranteed we know that all the other tasks must
// also have already been completed.
int final_count = emscripten_atomic_load_u32((void*)&func_called);
printf("final_count: %d\n", final_count);
assert(final_count == 1000);
// Cleanup/free all the handles. Waiting on the 1000th a second time is
// allowed by the API.
for(int i = 0; i < 1000; ++i)
{
EMSCRIPTEN_RESULT r = emscripten_wait_for_call_v(handles[i], INFINITY);
assert(r == EMSCRIPTEN_RESULT_SUCCESS);
emscripten_async_waitable_close(handles[i]);
}
}
void *thread_main(void*)
{
test_sync();
test_async();
test_async_waitable();
printf("thread_main done\n");
pthread_exit(NULL);
}
int main()
{
if (emscripten_has_threading_support())
{
test_sync();
test_async_waitable();
pthread_t thread;
int rc = pthread_create(&thread, NULL, thread_main, NULL);
assert(rc == 0);
void* retval;
rc = pthread_join(thread, &retval);
assert(rc == 0);
printf("pthread_join done: %ld\n", (intptr_t)retval);
assert(retval == NULL);
}
test_async();
#ifdef REPORT_RESULT
REPORT_RESULT(0);
#endif
}
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