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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 <emscripten.h>
#include <emscripten/threading.h>
#include <assert.h>
#include <stdlib.h>
#include <stdio.h>
#include <errno.h>
#include <vector>
#define NUM_BLOCKS_TO_ALLOC 50000
#define NUM_THREADS 8
pthread_mutex_t vectorMutex = PTHREAD_MUTEX_INITIALIZER;
std::vector<void*> allocatedMemory;
static void *thread_start(void *arg)
{
for(int i = 0; i < NUM_BLOCKS_TO_ALLOC; ++i)
{
void *mem = malloc(4);
pthread_mutex_lock(&vectorMutex);
allocatedMemory.push_back(mem);
pthread_mutex_unlock(&vectorMutex);
}
pthread_exit(0);
}
int main()
{
int result = 0;
if (!emscripten_has_threading_support()) {
#ifdef REPORT_RESULT
REPORT_RESULT(0);
#endif
printf("Skipped: threading support is not available!\n");
return 0;
}
pthread_t thr[NUM_THREADS];
for(int i = 0; i < NUM_THREADS; ++i)
{
int rc = pthread_create(&thr[i], NULL, thread_start, 0);
if (rc != 0)
{
#ifdef REPORT_RESULT
result = (rc != EAGAIN);
REPORT_RESULT(result);
return 0;
#endif
}
}
unsigned long numBlocksToFree = NUM_BLOCKS_TO_ALLOC * NUM_THREADS;
while(numBlocksToFree > 0)
{
pthread_mutex_lock(&vectorMutex);
for(size_t i = 0; i < allocatedMemory.size(); ++i)
free(allocatedMemory[i]);
numBlocksToFree -= allocatedMemory.size();
allocatedMemory.clear();
pthread_mutex_unlock(&vectorMutex);
}
for(int i = 0; i < NUM_THREADS; ++i)
{
int res = 0;
int rc = pthread_join(thr[i], (void**)&res);
assert(rc == 0);
assert(res == 0);
}
printf("Test finished successfully!\n");
#ifdef REPORT_RESULT
REPORT_RESULT(result);
#endif
}
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