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/* SPDX-License-Identifier: LGPL-3.0-or-later */
/*
* threadpool.c
*
* Copyright (C) 2021 David Oberhollenzer <goliath@infraroot.at>
*/
#include "config.h"
#include "threadpool.h"
#include "../test.h"
#if defined(_WIN32) || defined(__WINDOWS__)
#define WIN32_LEAN_AND_MEAN
#define VC_EXTRALEAN
#include <windows.h>
#endif
#include <time.h>
static int worker(void *user, void *work_item)
{
unsigned int value = *((unsigned int *)work_item);
(void)user;
#if defined(_WIN32) || defined(__WINDOWS__)
Sleep(100 * value);
#else
{
struct timespec sp;
sp.tv_sec = value / 10;
sp.tv_nsec = 100000000;
sp.tv_nsec *= (long)(value % 10);
nanosleep(&sp, NULL);
}
#endif
*((unsigned int *)work_item) = 42;
return 0;
}
int main(void)
{
unsigned int values[10];
thread_pool_t *pool;
unsigned int *ptr;
size_t i, count;
int ret;
pool = thread_pool_create(10, worker);
TEST_NOT_NULL(pool);
count = pool->get_worker_count(pool);
TEST_ASSERT(count >= 1);
/* dequeue on empty pool MUST NOT deadlock */
ptr = pool->dequeue(pool);
TEST_NULL(ptr);
for (i = 0; i < sizeof(values) / sizeof(values[0]); ++i) {
values[i] = sizeof(values) / sizeof(values[0]) - i;
ret = pool->submit(pool, values + i);
TEST_EQUAL_I(ret, 0);
}
for (i = 0; i < sizeof(values) / sizeof(values[0]); ++i) {
ptr = pool->dequeue(pool);
TEST_NOT_NULL(ptr);
TEST_ASSERT(ptr == (values + i));
TEST_EQUAL_UI(*ptr, 42);
}
ptr = pool->dequeue(pool);
TEST_NULL(ptr);
pool->destroy(pool);
/* redo the same test with the serial implementation */
pool = thread_pool_create_serial(worker);
TEST_NOT_NULL(pool);
ptr = pool->dequeue(pool);
TEST_NULL(ptr);
count = pool->get_worker_count(pool);
TEST_EQUAL_UI(count, 1);
for (i = 0; i < sizeof(values) / sizeof(values[0]); ++i) {
values[i] = sizeof(values) / sizeof(values[0]) - i;
ret = pool->submit(pool, values + i);
TEST_EQUAL_I(ret, 0);
}
for (i = 0; i < sizeof(values) / sizeof(values[0]); ++i) {
ptr = pool->dequeue(pool);
TEST_NOT_NULL(ptr);
TEST_ASSERT(ptr == (values + i));
TEST_EQUAL_UI(*ptr, 42);
}
ptr = pool->dequeue(pool);
TEST_NULL(ptr);
pool->destroy(pool);
return EXIT_SUCCESS;
}
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