/**
* Create two file descriptors (sockets on Windows). Add
* a callback that will be called when the file descriptor that
* is listened receives data. An event is also put in the event
* queue when data is received.
*
* @param handler The handler called when data is received.
* @param data Data to pass to @p handler when it is called.
* @return A newly created Ecore_Pipe object if successful.
* @c NULL otherwise.
*/
EAPI Ecore_Pipe *
ecore_pipe_add(Ecore_Pipe_Cb handler,
const void *data)
{
Ecore_Pipe *p;
int fds[2];
EINA_MAIN_LOOP_CHECK_RETURN_VAL(NULL);
if (!handler) return NULL;
p = ecore_pipe_calloc(1);
if (!p) return NULL;
if (pipe(fds))
{
ecore_pipe_mp_free(p);
return NULL;
}
ECORE_MAGIC_SET(p, ECORE_MAGIC_PIPE);
p->fd_read = fds[0];
p->fd_write = fds[1];
p->handler = handler;
p->data = data;
fcntl(p->fd_read, F_SETFL, O_NONBLOCK);
p->fd_handler = ecore_main_fd_handler_add(p->fd_read,
ECORE_FD_READ,
_ecore_pipe_read,
p,
NULL, NULL);
return p;
}
void *
_ecore_pipe_del(Ecore_Pipe *p)
{
void *data = NULL;
if (!ECORE_MAGIC_CHECK(p, ECORE_MAGIC_PIPE))
{
ECORE_MAGIC_FAIL(p, ECORE_MAGIC_PIPE, "ecore_pipe_del");
return NULL;
}
p->delete_me = EINA_TRUE;
if (p->handling > 0) return (void *)p->data;
if (p->fd_handler) _ecore_main_fd_handler_del(p->fd_handler);
if (p->fd_read != PIPE_FD_INVALID) pipe_close(p->fd_read);
if (p->fd_write != PIPE_FD_INVALID) pipe_close(p->fd_write);
data = (void *)p->data;
ecore_pipe_mp_free(p);
return data;
}
