efl/legacy/ecore/src/lib/ecore/ecore_job.c

107 lines
2.4 KiB
C

#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <stdlib.h>
#include "Ecore.h"
#include "ecore_private.h"
static Eina_Bool _ecore_job_event_handler(void *data, int type, void *ev);
static void _ecore_job_event_free(void *data, void *ev);
static int ecore_event_job_type = 0;
static Ecore_Event_Handler* _ecore_job_handler = NULL;
struct _Ecore_Job
{
ECORE_MAGIC;
Ecore_Event *event;
Ecore_Cb func;
void *data;
};
void
_ecore_job_init(void)
{
ecore_event_job_type = ecore_event_type_new();
_ecore_job_handler = ecore_event_handler_add(ecore_event_job_type, _ecore_job_event_handler, NULL);
}
void
_ecore_job_shutdown(void)
{
ecore_event_handler_del(_ecore_job_handler);
_ecore_job_handler = NULL;
}
/**
* Add a job to the event queue.
* @param func The function to call when the job gets handled.
* @param data Data pointer to be passed to the job function when the job is
* handled.
* @return The handle of the job. @c NULL is returned if the job could not be
* added to the queue.
* @ingroup Ecore_Job_Group
* @note Once the job has been executed, the job handle is invalid.
*/
EAPI Ecore_Job *
ecore_job_add(Ecore_Cb func, const void *data)
{
Ecore_Job *job;
if (!func) return NULL;
job = calloc(1, sizeof(Ecore_Job));
if (!job) return NULL;
ECORE_MAGIC_SET(job, ECORE_MAGIC_JOB);
job->event = ecore_event_add(ecore_event_job_type, job, _ecore_job_event_free, NULL);
if (!job->event)
{
free(job);
return NULL;
}
job->func = func;
job->data = (void *)data;
return job;
}
/**
* Delete a queued job that has not yet been executed.
* @param job Handle of the job to delete.
* @return The data pointer that was to be passed to the job.
* @ingroup Ecore_Job_Group
*/
EAPI void *
ecore_job_del(Ecore_Job *job)
{
void *data;
if (!ECORE_MAGIC_CHECK(job, ECORE_MAGIC_JOB))
{
ECORE_MAGIC_FAIL(job, ECORE_MAGIC_JOB,
"ecore_job_del");
return NULL;
}
data = job->data;
ECORE_MAGIC_SET(job, ECORE_MAGIC_NONE);
ecore_event_del(job->event);
return data;
}
static Eina_Bool
_ecore_job_event_handler(void *data __UNUSED__, int type __UNUSED__, void *ev)
{
Ecore_Job *job;
job = ev;
job->func(job->data);
return ECORE_CALLBACK_CANCEL;
}
static void
_ecore_job_event_free(void *data __UNUSED__, void *ev)
{
free(ev);
}