mirrors/wayland
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/wayland/wayland.git synced 2025-11-01 22:58:40 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

Recomposite screen in idle handler.

Browse source
This commit is contained in:
Kristian Høgsberg 2008-10-11 19:21:35 -04:00
parent f921289954
commit 5ebb317383
5 changed files with 61 additions and 15 deletions
Download patch file Download diff file Expand all files Collapse all files

46
event-loop.c
View file

@ -11,18 +11,20 @@
struct wl_event_loop {
int epoll_fd;
wl_event_loop_idle_func_t idle_func;
void *idle_data;
};
struct wl_event_source {
int fd;
wl_event_loop_func_t func;
wl_event_loop_fd_func_t func;
void *data;
};
struct wl_event_source *
wl_event_loop_add_fd(struct wl_event_loop *loop,
int fd, uint32_t mask,
wl_event_loop_func_t func,
wl_event_loop_fd_func_t func,
void *data)
{
struct wl_event_source *source;
@ -48,16 +50,23 @@ wl_event_loop_add_fd(struct wl_event_loop *loop,
return source;
}
struct wl_event_source idle_source;
int
wl_event_loop_remove_source(struct wl_event_loop *loop,
struct wl_event_source *source)
{
int fd;
fd = source->fd;
free(source);
return epoll_ctl(loop->epoll_fd, EPOLL_CTL_DEL, fd, NULL);
if (source == &idle_source) {
loop->idle_func = NULL;
return 0;
} else {
fd = source->fd;
free(source);
return epoll_ctl(loop->epoll_fd,
EPOLL_CTL_DEL, fd, NULL);
};
}
int
@ -103,6 +112,17 @@ wl_event_loop_destroy(struct wl_event_loop *loop)
free(loop);
}
struct wl_event_source *
wl_event_loop_add_idle(struct wl_event_loop *loop,
wl_event_loop_idle_func_t func,
void *data)
{
loop->idle_func = func;
loop->idle_data = data;
return &idle_source;
}
#define ARRAY_LENGTH(a) (sizeof (a) / sizeof (a)[0])
int
@ -110,10 +130,15 @@ wl_event_loop_wait(struct wl_event_loop *loop)
{
struct epoll_event ep[32];
struct wl_event_source *source;
int i, count;
int i, count, timeout;
uint32_t mask;
count = epoll_wait(loop->epoll_fd, ep, ARRAY_LENGTH(ep), -1);
if (loop->idle_func)
timeout = 0;
else
timeout = -1;
count = epoll_wait(loop->epoll_fd, ep, ARRAY_LENGTH(ep), timeout);
if (count < 0)
return -1;
@ -128,5 +153,10 @@ wl_event_loop_wait(struct wl_event_loop *loop)
source->func(source->fd, mask, source->data);
}
if (count == 0 && loop->idle_func != NULL) {
loop->idle_func(loop->idle_data);
loop->idle_func = NULL;
}
return 0;
}