X-Git-Url: http://git.demorecorder.com/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fxcb_out.c;h=89c76187757577cdde8157afdb2700f41ba6f332;hb=1b50d2ee1ef532429674126eace88ac73d51ec23;hp=e7d5323aca503d2f6c09742bd9aa99307abc18ab;hpb=4e91ae275e46e76de64ab089d6f13c1e9b6ddee6;p=free-sw%2Fxcb%2Flibxcb

diff --git a/src/xcb_out.c b/src/xcb_out.c
index e7d5323..89c7618 100644
--- a/src/xcb_out.c
+++ b/src/xcb_out.c
@@ -261,6 +261,9 @@ 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))
     {
         memcpy(c->out.queue + c->out.queue_len, vector[0].iov_base, vector[0].iov_len);
@@ -275,8 +278,6 @@ int _xcb_out_write_block(XCBConnection *c, struct iovec *vector, size_t count)
     vector[0].iov_len = c->out.queue_len;
     c->out.queue_len = 0;
 
-    assert(!c->out.vec_len);
-    assert(!c->out.vec);
     c->out.vec_len = count;
     c->out.vec = vector;
     return _xcb_out_flush(c);
@@ -288,8 +289,7 @@ int _xcb_out_flush(XCBConnection *c)
     struct iovec vec;
     if(c->out.queue_len)
     {
-        assert(!c->out.vec_len);
-        assert(!c->out.vec);
+        assert(!c->out.vec && !c->out.vec_len);
         vec.iov_base = c->out.queue;
         vec.iov_len = c->out.queue_len;
         c->out.vec = &vec;