CARD32 XCBGetMaximumRequestLength(XCBConnection *c)
{
+ if(c->has_error)
+ return 0;
pthread_mutex_lock(&c->out.reqlenlock);
if(!c->out.maximum_request_length)
{
int veclen = req->count;
enum workarounds workaround = WORKAROUND_NONE;
+ if(c->has_error)
+ return 0;
+
assert(c != 0);
assert(vector != 0);
assert(req->count > 0);
{
const XCBQueryExtensionRep *extension = XCBGetExtensionData(c, req->ext);
if(!(extension && extension->present))
+ {
+ _xcb_conn_shutdown(c);
return 0;
+ }
((CARD8 *) vector[0].iov_base)[0] = extension->major_opcode;
((CARD8 *) vector[0].iov_base)[1] = req->opcode;
}
longlen = 0;
}
else if(longlen > XCBGetMaximumRequestLength(c))
+ {
+ _xcb_conn_shutdown(c);
return 0; /* server can't take this; maybe need BIGREQUESTS? */
+ }
/* set the length field. */
((CARD16 *) vector[0].iov_base)[1] = shortlen;
}
if(!write_block(c, vector, veclen))
+ {
+ _xcb_conn_shutdown(c);
request = 0;
+ }
pthread_mutex_unlock(&c->iolock);
return request;
}
int XCBFlush(XCBConnection *c)
{
int ret;
+ if(c->has_error)
+ return 0;
pthread_mutex_lock(&c->iolock);
ret = _xcb_out_flush_to(c, c->out.request);
pthread_mutex_unlock(&c->iolock);