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#include <errno.h>
#include <pthread.h>
#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include <sys/queue.h>
#include "queue.h"
#include "util.h"
void *queue_thread_entry(void *queue_thread)
{
struct queue_thread *qt = queue_thread;
struct job *job = NULL;
int ret = 0;
while (true) {
ret = job_read(qt->stream, &job);
if (ret == -EOF) {
ret = 0;
break;
} else if (ret < 0) {
break;
}
pthread_mutex_lock(&qt->queue->mutex);
CIRCLEQ_INSERT_TAIL(&qt->queue->jobs, job, clist);
pthread_mutex_unlock(&qt->queue->mutex);
}
pthread_exit(NULL);
}
void queue_thread_free(struct queue_thread *queue_thread)
{
struct job *job;
if (queue_thread == NULL)
return;
CIRCLEQ_FOREACH (job, &queue_thread->queue->jobs, clist) {
CIRCLEQ_REMOVE(&queue_thread->queue->jobs, job, clist);
free(job);
}
free(queue_thread->queue);
fclose(queue_thread->stream);
}
int queue_thread_new(struct queue_thread **queue_thread, FILE *stream)
{
int ret = 0;
struct queue_thread *qt = NULL;
qt = malloc(sizeof(*qt));
if (qt == NULL) {
print_err("%s", strerror(errno));
return -errno;
}
qt->stream = stream;
qt->queue = malloc(sizeof(*qt->queue));
if (qt->queue == NULL) {
print_err("%s", strerror(errno));
ret = -errno;
goto out_free;
}
CIRCLEQ_INIT(&qt->queue->jobs);
pthread_mutex_init(&qt->queue->mutex, NULL);
out_free:
if (ret < 0)
free(qt);
else
*queue_thread = qt;
return ret;
}
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