Move test for other writing threads *before* allocating a sequence number.

This commit is contained in:
Jamey Sharp 2006-02-27 02:57:36 -08:00
parent 8ab4dcde9d
commit 731c85762d

View File

@ -170,6 +170,10 @@ int XCBSendRequest(XCBConnection *c, unsigned int *request, int flags, struct io
return -1;
}
/* wait for other writing threads to get out of my way. */
while(c->out.writing)
pthread_cond_wait(&c->out.cond, &c->iolock);
*request = ++c->out.request;
_xcb_in_expect_reply(c, *request, workaround, flags);
@ -250,8 +254,6 @@ int _xcb_out_write(XCBConnection *c)
int _xcb_out_write_block(XCBConnection *c, struct iovec *vector, size_t count)
{
while(c->out.writing)
pthread_cond_wait(&c->out.cond, &c->iolock);
assert(!c->out.vec && !c->out.vec_len);
while(count && c->out.queue_len + vector[0].iov_len < sizeof(c->out.queue))
{