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test_pthread_malloc.cpp
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54 lines (49 loc) · 1.25 KB
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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/console.h>
#include <assert.h>
#include <stdlib.h>
#include <stdio.h>
#define NUM_THREADS 8
#define N 6
static void *thread_start(void *arg)
{
long n = (long)arg;
long *mem[N] = {};
for(long i = 0; i < N; ++i)
{
mem[i] = (long*)malloc(4);
*mem[i] = n+i;
}
for(long i = 0; i < N; ++i)
{
long k = *mem[i];
if (k != n+i)
{
emscripten_errf("Memory corrupted! mem[i]: %ld, i: %ld, n: %ld", k, i, n);
pthread_exit((void*)1);
}
assert(*mem[i] == n+i);
free(mem[i]);
}
emscripten_outf("Worker with task number %ld finished", n);
pthread_exit(0);
}
int main()
{
pthread_t thr[NUM_THREADS];
for(intptr_t i = 0; i < NUM_THREADS; ++i)
pthread_create(&thr[i], NULL, thread_start, (void*)(i*N));
int result = 0;
for(int i = 0; i < NUM_THREADS; ++i) {
int res = 0;
pthread_join(thr[i], (void**)&res);
result += res;
}
printf("Test finished with result %d\n", result);
assert(result == 0);
return 0;
}