forked from enlightenment/efl
Revert "evas_async_events: integrated Ecore_Pipe in evas_async_events"
This reverts commit ea0492e0c6
.
this drops software engine rendering to like 5-10fps! or at least
visually about that... not tested enough at all!
This commit is contained in:
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d70bcb94cb
commit
5d8034f87d
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@ -7,15 +7,29 @@
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#endif
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#include <errno.h>
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#ifdef _WIN32
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# include <winsock2.h>
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#endif /* ! _WIN32 */
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#include <fcntl.h>
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#include "evas_common_private.h"
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#include "evas_private.h"
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#include "Ecore.h"
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#ifdef _WIN32
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# include <winsock2.h>
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# define pipe_write(fd, buffer, size) send((fd), (char *)(buffer), size, 0)
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# define pipe_read(fd, buffer, size) recv((fd), (char *)(buffer), size, 0)
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# define pipe_close(fd) closesocket(fd)
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# define PIPE_FD_ERROR SOCKET_ERROR
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#else
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# include <fcntl.h>
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# define pipe_write(fd, buffer, size) write((fd), buffer, size)
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# define pipe_read(fd, buffer, size) read((fd), buffer, size)
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# define pipe_close(fd) close(fd)
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# define PIPE_FD_ERROR -1
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#endif /* ! _WIN32 */
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typedef struct _Evas_Event_Async Evas_Event_Async;
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struct _Evas_Event_Async
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@ -48,8 +62,8 @@ static int _thread_id = -1;
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static int _thread_id_max = 0;
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static int _thread_id_update = 0;
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static Eina_Bool _write_error = EINA_TRUE;
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static Eina_Bool _read_error = EINA_TRUE;
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static int _fd_write = -1;
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static int _fd_read = -1;
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static pid_t _fd_pid = 0;
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static Eina_Spinlock async_lock;
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@ -57,37 +71,53 @@ static Eina_Inarray async_queue;
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static Evas_Event_Async *async_queue_cache = NULL;
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static unsigned int async_queue_cache_max = 0;
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static Ecore_Pipe *_async_pipe = NULL;
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static int _init_evas_event = 0;
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static const int wakeup = 1;
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static void _evas_async_events_fd_blocking_set(Eina_Bool blocking EINA_UNUSED);
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static void
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_async_events_pipe_read_cb(void *data EINA_UNUSED, void *buf, unsigned int len)
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Eina_Bool
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_evas_fd_close_on_exec(int fd)
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{
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if (wakeup == *(int*)buf && sizeof(int) == len)
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_evas_async_events_fd_blocking_set(EINA_FALSE);
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#ifdef HAVE_FCNTL
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int flags;
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flags = fcntl(fd, F_GETFD);
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if (flags == -1)
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return EINA_FALSE;
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flags |= FD_CLOEXEC;
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if (fcntl(fd, F_SETFD, flags) == -1)
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return EINA_FALSE;
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return EINA_TRUE;
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#else
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(void) fd;
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return EINA_FALSE;
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#endif
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}
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int
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evas_async_events_init(void)
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{
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int filedes[2];
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if (_init_evas_event++)
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return _init_evas_event;
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_fd_pid = getpid();
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_async_pipe = ecore_pipe_add(_async_events_pipe_read_cb, NULL);
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if ( !_async_pipe )
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if (pipe(filedes) == -1)
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{
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_init_evas_event = 0;
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return 0;
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}
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ecore_pipe_freeze(_async_pipe);
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_read_error = EINA_FALSE;
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_write_error = EINA_FALSE;
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_evas_fd_close_on_exec(filedes[0]);
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_evas_fd_close_on_exec(filedes[1]);
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_fd_read = filedes[0];
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_fd_write = filedes[1];
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#ifdef HAVE_FCNTL
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if (fcntl(_fd_read, F_SETFL, O_NONBLOCK) < 0) ERR("Can't set NONBLOCK on async fd");
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#endif
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eina_spinlock_new(&async_lock);
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eina_inarray_step_set(&async_queue, sizeof (Eina_Inarray), sizeof (Evas_Event_Async), 16);
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@ -121,9 +151,10 @@ evas_async_events_shutdown(void)
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eina_spinlock_free(&async_lock);
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eina_inarray_flush(&async_queue);
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ecore_pipe_del(_async_pipe);
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_read_error = EINA_TRUE;
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_write_error = EINA_TRUE;
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pipe_close(_fd_read);
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pipe_close(_fd_write);
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_fd_read = -1;
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_fd_write = -1;
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return _init_evas_event;
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}
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@ -142,15 +173,31 @@ EAPI int
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evas_async_events_fd_get(void)
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{
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_evas_async_events_fork_handle();
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return ecore_pipe_read_fd(_async_pipe);
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return _fd_read;
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}
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static int
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_evas_async_events_process_single(void)
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{
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if (ecore_pipe_wait(_async_pipe, 1, 0.1) != 1)
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return 0;
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int ret, wakeup;
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ret = pipe_read(_fd_read, &wakeup, sizeof(int));
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if (ret < 0)
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{
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switch (errno)
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{
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case EBADF:
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case EINVAL:
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case EIO:
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case EISDIR:
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_fd_read = -1;
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}
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return ret;
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}
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if (ret == sizeof(int))
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{
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Evas_Event_Async *ev;
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unsigned int len, max;
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int nr;
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@ -181,7 +228,9 @@ _evas_async_events_process_single(void)
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}
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return nr;
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}
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return 0;
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}
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EAPI int
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@ -189,7 +238,8 @@ evas_async_events_process(void)
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{
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int nr, count = 0;
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if (_read_error) return -1;
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if (_fd_read == -1) return -1;
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_evas_async_events_fork_handle();
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while ((nr = _evas_async_events_process_single()) > 0) count += nr;
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@ -201,7 +251,6 @@ static void
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_evas_async_events_fd_blocking_set(Eina_Bool blocking)
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{
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#ifdef HAVE_FCNTL
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int _fd_read = ecore_pipe_read_fd(_async_pipe);
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long flags = fcntl(_fd_read, F_GETFL);
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if (blocking) flags &= ~O_NONBLOCK;
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@ -217,7 +266,6 @@ EAPI int
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evas_async_events_process_blocking(void)
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{
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int ret;
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if (_read_error) return -1;
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_evas_async_events_fork_handle();
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@ -233,10 +281,10 @@ evas_async_events_put(const void *target, Evas_Callback_Type type, void *event_i
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{
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Evas_Event_Async *ev;
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unsigned int count;
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Eina_Bool ret = EINA_TRUE;;
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Eina_Bool ret;
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if (!func) return EINA_FALSE;
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if (_write_error) return EINA_FALSE;
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if (_fd_write == -1) return EINA_FALSE;
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_evas_async_events_fork_handle();
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@ -259,12 +307,32 @@ evas_async_events_put(const void *target, Evas_Callback_Type type, void *event_i
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if (count == 0)
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{
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if (!ecore_pipe_write(_async_pipe, &wakeup, sizeof(int)))
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int wakeup = 1;
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ssize_t check;
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do
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{
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check = pipe_write(_fd_write, &wakeup, sizeof (int));
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}
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while ((check != sizeof (int)) &&
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((errno == EINTR) || (errno == EAGAIN)));
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if (check == sizeof (int)) ret = EINA_TRUE;
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else
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{
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ret = EINA_FALSE;
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_write_error = EINA_TRUE;
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switch (errno)
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{
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case EBADF:
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case EINVAL:
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case EIO:
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case EPIPE:
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_fd_write = -1;
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}
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}
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}
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else ret = EINA_TRUE;
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return ret;
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}
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