1 files changed, 10 insertions, 39 deletions

diff --git a/libxcb/src/xcb_in.c b/libxcb/src/xcb_in.c
index 0a957a4b2..e0e7a7cac 100644
--- a/libxcb/src/xcb_in.c
+++ b/libxcb/src/xcb_in.c
@@ -63,7 +63,6 @@
 #endif

 

 struct event_list {

-    uint64_t sequence;

     xcb_generic_event_t *event;

     struct event_list *next;

 };

@@ -132,7 +131,7 @@ static int read_packet(xcb_connection_t *c)
                 c->in.current_reply = 0;

                 c->in.current_reply_tail = &c->in.current_reply;

             }

-            c->in.request_completed = c->in.event_responses_completed = c->in.request_read - 1;

+            c->in.request_completed = c->in.request_read - 1;

         }

 

         while(c->in.pending_replies && 

@@ -147,12 +146,9 @@ static int read_packet(xcb_connection_t *c)
         }

 

         if(genrep.response_type == XCB_ERROR)

-            c->in.request_completed = c->in.event_responses_completed = c->in.request_read;

-        else if(genrep.response_type == XCB_REPLY)

-            c->in.event_responses_completed = c->in.request_read;

+            c->in.request_completed = c->in.request_read;

 

         remove_finished_readers(&c->in.readers, c->in.request_completed);

-        remove_finished_readers(&c->in.event_readers, c->in.event_responses_completed);

     }

 

     if(genrep.response_type == XCB_ERROR || genrep.response_type == XCB_REPLY)

@@ -177,7 +173,7 @@ static int read_packet(xcb_connection_t *c)
     }

 

     /* XGE events may have sizes > 32 */

-    if (genrep.response_type == XCB_XGE_EVENT)

+    if ((genrep.response_type & 0x7f) == XCB_XGE_EVENT)

         eventlength = genrep.length * 4;

 

     buf = malloc(length + eventlength +

@@ -241,15 +237,11 @@ static int read_packet(xcb_connection_t *c)
         free(buf);

         return 0;

     }

-    event->sequence = c->in.request_read;

     event->event = buf;

     event->next = 0;

     *c->in.events_tail = event;

     c->in.events_tail = &event->next;

-    if(c->in.event_readers)

-        pthread_cond_signal(c->in.event_readers->data);

-    else

-        pthread_cond_signal(&c->in.event_cond);

+    pthread_cond_signal(&c->in.event_cond);

     return 1; /* I have something for you... */

 }

 

@@ -541,7 +533,7 @@ xcb_generic_event_t *xcb_wait_for_event(xcb_connection_t *c)
     return ret;

 }

 

-xcb_generic_event_t *xcb_poll_for_event(xcb_connection_t *c)

+static xcb_generic_event_t *poll_for_next_event(xcb_connection_t *c, int queued)

 {

     xcb_generic_event_t *ret = 0;

     if(!c->has_error)

@@ -549,40 +541,21 @@ xcb_generic_event_t *xcb_poll_for_event(xcb_connection_t *c)
         pthread_mutex_lock(&c->iolock);

         /* FIXME: follow X meets Z architecture changes. */

         ret = get_event(c);

-        if(!ret && _xcb_in_read(c)) /* _xcb_in_read shuts down the connection on error */

+        if(!ret && !queued && _xcb_in_read(c)) /* _xcb_in_read shuts down the connection on error */

             ret = get_event(c);

         pthread_mutex_unlock(&c->iolock);

     }

     return ret;

 }

 

-static xcb_generic_event_t *get_event_until(xcb_connection_t *c, uint64_t request)

+xcb_generic_event_t *xcb_poll_for_event(xcb_connection_t *c)

 {

-    if(c->in.events && XCB_SEQUENCE_COMPARE(c->in.events->sequence, <=, request))

-        return get_event(c);

-    return 0;

+    return poll_for_next_event(c, 0);

 }

 

-xcb_generic_event_t *xcb_wait_for_event_until(xcb_connection_t *c, unsigned int request)

+xcb_generic_event_t *xcb_poll_for_queued_event(xcb_connection_t *c)

 {

-    pthread_cond_t cond = PTHREAD_COND_INITIALIZER;

-    reader_list reader;

-    xcb_generic_event_t *ret;

-    if(c->has_error)

-        return 0;

-    pthread_mutex_lock(&c->iolock);

-

-    insert_reader(&c->in.event_readers, &reader, widen(c, request), &cond);

-

-    while(!(ret = get_event_until(c, reader.request)) && XCB_SEQUENCE_COMPARE(c->in.event_responses_completed, <, reader.request))

-        if(!_xcb_conn_wait(c, &cond, 0, 0))

-            break;

-

-    remove_reader(&c->in.event_readers, &reader);

-    pthread_cond_destroy(&cond);

-    _xcb_in_wake_up_next_reader(c);

-    pthread_mutex_unlock(&c->iolock);

-    return ret;

+    return poll_for_next_event(c, 1);

 }

 

 xcb_generic_error_t *xcb_request_check(xcb_connection_t *c, xcb_void_cookie_t cookie)

@@ -655,8 +628,6 @@ void _xcb_in_wake_up_next_reader(xcb_connection_t *c)
     int pthreadret;

     if(c->in.readers)

         pthreadret = pthread_cond_signal(c->in.readers->data);

-    else if(c->in.event_readers)

-        pthreadret = pthread_cond_signal(c->in.event_readers->data);

     else

         pthreadret = pthread_cond_signal(&c->in.event_cond);

     assert(pthreadret == 0);