--- a/src/server/thrpool.c Sun Jan 08 15:46:47 2012 +0100
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,122 +0,0 @@
-/*
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
- *
- * Copyright 2011 Olaf Wintermann. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include "thrpool.h"
-
-
-
-threadpool_t* threadpool_new(int n) {
- threadpool_t *pool = malloc(sizeof(threadpool_t));
- pool->queue = NULL;
- pool->queue_len = 0;
-
- pthread_mutex_init(&pool->queue_lock, NULL);
- pthread_mutex_init(&pool->avlbl_lock, NULL);
- pthread_cond_init(&pool->available, NULL);
-
- /* create pool threads */
- for(int i=0;i<n;i++) {
- pthread_t t;
- if (pthread_create(&t, NULL, threadpool_func, pool) != 0) {
- perror("Error: threadpool_new: pthread_create");
- return NULL;
- }
- }
-
- return pool;
-}
-
-void* threadpool_func(void *data) {
- threadpool_t *pool = (threadpool_t*)data;
-
- for(;;) {
- threadpool_job *job = threadpool_get_job(pool);
- if(job == NULL) {
- break;
- }
-
- job->callback(job->data);
-
- free(job);
- }
- return NULL;
-}
-
-threadpool_job* threadpool_get_job(threadpool_t *pool) {
- pthread_mutex_lock(&pool->queue_lock);
-
- threadpool_job *job = NULL;
- while(job == NULL) {
- if(pool->queue_len == 0) {
- pthread_cond_wait(&pool->available, &pool->queue_lock);
- continue;
- } else {
- pool_queue_t *q = pool->queue;
- job = q->job;
- pool->queue = q->next;
- pool->queue_len--;
- free(q);
- }
- }
-
- pthread_mutex_unlock(&pool->queue_lock);
-
- return job;
-}
-
-void threadpool_run(threadpool_t *pool, job_callback_f func, void *data) {
- threadpool_job *job = malloc(sizeof(threadpool_job));
- job->callback = func;
- job->data = data;
-
- pool_queue_t *q = malloc(sizeof(pool_queue_t));
- q->job = job;
- q->next = NULL;
-
- pthread_mutex_lock(&pool->queue_lock);
- if(pool->queue == NULL) {
- pool->queue = q;
- } else {
- pool_queue_t *last_elem = pool->queue;
- while(last_elem->next != NULL) {
- last_elem = last_elem->next;
- }
- last_elem->next = q;
- }
- pool->queue_len++;
-
- if(pool->queue_len == 1) {
- pthread_cond_signal(&pool->available);
- }
-
- pthread_mutex_unlock(&pool->queue_lock);
-
-}