frederik
/
libxcb
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Use sequence number ranges in pending replies 

This allows optimizing adjacent pending replies with the same flags, and
will help support default flags for a range of future requests.

Commit by Josh Triplett and Jamey Sharp.
This commit is contained in:
Jamey Sharp 2008-03-14 20:18:52 -07:00
parent 059ca642c7
commit 96e55444b9
1 changed files with 7 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
src/xcb_in.c
View File

@ -52,7 +52,8 @@ struct reply_list {
};
typedef struct pending_reply {
unsigned int request;
unsigned int first_request;
unsigned int last_request;
enum workarounds workaround;
int flags;
struct pending_reply *next;
@ -112,7 +113,7 @@ static int read_packet(xcb_connection_t *c)
}
while(c->in.pending_replies &&
XCB_SEQUENCE_COMPARE (c->in.pending_replies->request, <=, c->in.request_completed))
XCB_SEQUENCE_COMPARE (c->in.pending_replies->last_request, <=, c->in.request_completed))
{
pending_reply *oldpend = c->in.pending_replies;
c->in.pending_replies = oldpend->next;
@ -128,7 +129,9 @@ static int read_packet(xcb_connection_t *c)
if(genrep.response_type == XCB_ERROR || genrep.response_type == XCB_REPLY)
{
pend = c->in.pending_replies;
if(pend && pend->request != c->in.request_read)
if(pend &&
(XCB_SEQUENCE_COMPARE(c->in.request_read, <, pend->first_request) ||
XCB_SEQUENCE_COMPARE(c->in.request_read, >, pend->last_request)))
pend = 0;
}
@ -506,7 +509,7 @@ int _xcb_in_expect_reply(xcb_connection_t *c, unsigned int request, enum workaro
_xcb_conn_shutdown(c);
return 0;
}
pend->request = request;
pend->first_request = pend->last_request = request;
pend->workaround = workaround;
pend->flags = flags;
pend->next = 0;