X-Git-Url: http://git.demorecorder.com/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fxcb_in.c;h=89b06ab7a8a5b41cf86a67f169427f01088ffb9d;hb=b83f18a4cc2303dfda59807d56e16bbc5c18b09d;hp=a805fa8666006ad6ee201c4baf415eb5d09a6b89;hpb=76ad79a7adbb315f7c7d5f08d6f42553210868cd;p=free-sw%2Fxcb%2Flibxcb

diff --git a/src/xcb_in.c b/src/xcb_in.c
index a805fa8..89b06ab 100644
--- a/src/xcb_in.c
+++ b/src/xcb_in.c
@@ -89,25 +89,32 @@ static int read_packet(XCBConnection *c)
     {
         int lastread = c->in.request_read;
         c->in.request_read = (lastread & 0xffff0000) | genrep.sequence;
+        if(c->in.request_read < lastread)
+            c->in.request_read += 0x10000;
+        if(c->in.request_read > c->in.request_expected)
+            c->in.request_expected = c->in.request_read;
+
         if(c->in.request_read != lastread)
         {
-            pending_reply *oldpend = c->in.pending_replies;
-            if(oldpend && oldpend->request == lastread)
-            {
-                c->in.pending_replies = oldpend->next;
-                if(!oldpend->next)
-                    c->in.pending_replies_tail = &c->in.pending_replies;
-                free(oldpend);
-            }
             if(c->in.current_reply)
             {
                 _xcb_map_put(c->in.replies, lastread, c->in.current_reply);
                 c->in.current_reply = 0;
                 c->in.current_reply_tail = &c->in.current_reply;
             }
+            c->in.request_completed = c->in.request_read - 1;
+        }
+        if(genrep.response_type != 1) /* not reply: error or event */
+            c->in.request_completed = c->in.request_read; /* XXX: does event/error imply no more replies? */
+
+        while(c->in.pending_replies && c->in.pending_replies->request <= c->in.request_completed)
+        {
+            pending_reply *oldpend = c->in.pending_replies;
+            c->in.pending_replies = oldpend->next;
+            if(!oldpend->next)
+                c->in.pending_replies_tail = &c->in.pending_replies;
+            free(oldpend);
         }
-        if(c->in.request_read < lastread)
-            c->in.request_read += 0x10000;
     }
 
     if(genrep.response_type == 0 || genrep.response_type == 1)
@@ -128,7 +135,7 @@ static int read_packet(XCBConnection *c)
         length += genrep.length * 4;
     }
 
-    buf = malloc(length);
+    buf = malloc(length + (genrep.response_type == 1 ? 0 : sizeof(CARD32)));
     if(!buf)
         return 0;
     if(_xcb_in_read_block(c, buf, length) <= 0)
@@ -136,6 +143,14 @@ static int read_packet(XCBConnection *c)
         free(buf);
         return 0;
     }
+    if(pend && (pend->flags & XCB_REQUEST_DISCARD_REPLY))
+    {
+        free(buf);
+        return 1;
+    }
+
+    if(genrep.response_type != 1)
+        ((XCBGenericEvent *) buf)->full_sequence = c->in.request_read;
 
     /* reply, or checked error */
     if(genrep.response_type == 1 || (genrep.response_type == 0 && pend && (pend->flags & XCB_REQUEST_CHECKED)))
@@ -230,12 +245,15 @@ void *XCBWaitForReply(XCBConnection *c, unsigned int request, XCBGenericError **
     if(e)
         *e = 0;
 
+    /* If an error occurred when issuing the request, fail immediately. */
+    if(!request)
+        return 0;
+
     pthread_mutex_lock(&c->iolock);
 
     /* If this request has not been written yet, write it. */
-    if((signed int) (c->out.request_written - request) < 0)
-        if(!_xcb_out_flush(c))
-            goto done; /* error */
+    if(!_xcb_out_flush_to(c, request))
+        goto done; /* error */
 
     for(prev_reader = &c->in.readers; *prev_reader && (*prev_reader)->request <= request; prev_reader = &(*prev_reader)->next)
         if((*prev_reader)->request == request)
@@ -246,10 +264,11 @@ void *XCBWaitForReply(XCBConnection *c, unsigned int request, XCBGenericError **
     reader.next = *prev_reader;
     *prev_reader = &reader;
 
-    /* If this request has not been read yet, wait for it. */
-    while(((signed int) (c->in.request_read - request) < 0 ||
-            (c->in.request_read == request && !c->in.current_reply)))
-        if(!_xcb_conn_wait(c, /*should_write*/ 0, &cond))
+    /* If this request has not completed yet and has no reply waiting,
+     * wait for one. */
+    while(c->in.request_completed < request &&
+            !(c->in.request_read == request && c->in.current_reply))
+        if(!_xcb_conn_wait(c, &cond, 0, 0))
             goto done;
 
     if(c->in.request_read != request)
@@ -309,7 +328,7 @@ XCBGenericEvent *XCBWaitForEvent(XCBConnection *c)
     pthread_mutex_lock(&c->iolock);
     /* get_event returns 0 on empty list. */
     while(!(ret = get_event(c)))
-        if(!_xcb_conn_wait(c, /*should_write*/ 0, &c->in.event_cond))
+        if(!_xcb_conn_wait(c, &c->in.event_cond, 0, 0))
             break;
 
     wake_up_next_reader(c);
@@ -359,6 +378,7 @@ int _xcb_in_init(_xcb_in *in)
     in->queue_len = 0;
 
     in->request_read = 0;
+    in->request_completed = 0;
 
     in->replies = _xcb_map_new();
     if(!in->replies)