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/*
* Copyright (c) 2023 Egor Tensin <Egor.Tensin@gmail.com>
* This file is part of the "cimple" project.
* For details, see https://github.com/egor-tensin/cimple.
* Distributed under the MIT License.
*/
#include "worker_queue.h"
#include "log.h"
#include <pthread.h>
#include <stdlib.h>
#include <sys/queue.h>
#include <unistd.h>
struct worker {
pthread_t thread;
int fd;
STAILQ_ENTRY(worker) entries;
};
int worker_create(struct worker **_entry, int fd)
{
struct worker *entry = malloc(sizeof(struct worker));
if (!entry) {
log_errno("malloc");
return -1;
}
entry->thread = pthread_self();
entry->fd = fd;
*_entry = entry;
return 0;
}
void worker_destroy(struct worker *entry)
{
log("Waiting for worker %d thread to exit\n", entry->fd);
pthread_errno_if(pthread_join(entry->thread, NULL), "pthread_join");
log_errno_if(close(entry->fd), "close");
free(entry);
}
int worker_get_fd(const struct worker *entry)
{
return entry->fd;
}
void worker_queue_create(struct worker_queue *queue)
{
STAILQ_INIT(queue);
}
void worker_queue_destroy(struct worker_queue *queue)
{
struct worker *entry1 = STAILQ_FIRST(queue);
while (entry1) {
struct worker *entry2 = STAILQ_NEXT(entry1, entries);
worker_destroy(entry1);
entry1 = entry2;
}
STAILQ_INIT(queue);
}
int worker_queue_is_empty(const struct worker_queue *queue)
{
return STAILQ_EMPTY(queue);
}
void worker_queue_add_first(struct worker_queue *queue, struct worker *entry)
{
STAILQ_INSERT_HEAD(queue, entry, entries);
}
void worker_queue_add_last(struct worker_queue *queue, struct worker *entry)
{
STAILQ_INSERT_HEAD(queue, entry, entries);
}
struct worker *worker_queue_remove_first(struct worker_queue *queue)
{
struct worker *entry = STAILQ_FIRST(queue);
STAILQ_REMOVE_HEAD(queue, entries);
return entry;
}
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