diff options
author | Keith Packard <keithp@keithp.com> | 2011-12-01 10:28:51 +0000 |
---|---|---|
committer | Julien Danjou <julien@danjou.info> | 2012-01-11 17:49:02 +0100 |
commit | 9b4d6f30a339e2d18ebaea98149da81aba453216 (patch) | |
tree | a0132ae75d48a994b6e9de513786a60932d1ef0b | |
parent | 5ceeaaa4294201b3f613c07f9ec610c0e5f673c7 (diff) |
Make xcb_take_socket keep flushing until idle
_xcb_out_flush_to will drop the iolock in pthread_cond_wait allowing
other threads to queue new requests. When this happened,
there would be requests queued for the socket after _xcb_out_flush_to
returned, and xcb_take_socket would throw an assert.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=29875
Signed-off-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Julien Danjou <julien@danjou.info>
-rw-r--r-- | src/xcb_out.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/xcb_out.c b/src/xcb_out.c index 5eb1e42..d6082fc 100644 --- a/src/xcb_out.c +++ b/src/xcb_out.c @@ -263,7 +263,13 @@ int xcb_take_socket(xcb_connection_t *c, void (*return_socket)(void *closure), v return 0; pthread_mutex_lock(&c->iolock); get_socket_back(c); - ret = _xcb_out_flush_to(c, c->out.request); + + /* _xcb_out_flush may drop the iolock allowing other threads to + * write requests, so keep flushing until we're done + */ + do + ret = _xcb_out_flush_to(c, c->out.request); + while (ret && c->out.request != c->out.request_written); if(ret) { c->out.return_socket = return_socket; |