CARD16 length;
} XCBSetupGeneric;
+static const int error_connection = 1;
+
static int set_fd_flags(const int fd)
{
long flags = fcntl(fd, F_GETFL, 0);
if(n < 0 && errno == EAGAIN)
return 1;
if(n <= 0)
+ {
+ _xcb_conn_shutdown(c);
return 0;
+ }
for(; *count; --*count, ++*vector)
{
const XCBSetup *XCBGetSetup(XCBConnection *c)
{
+ if(c->has_error)
+ return 0;
/* doesn't need locking because it's never written to. */
return c->setup;
}
int XCBGetFileDescriptor(XCBConnection *c)
{
+ if(c->has_error)
+ return -1;
/* doesn't need locking because it's never written to. */
return c->fd;
}
c = calloc(1, sizeof(XCBConnection));
if(!c)
- return 0;
+ return (XCBConnection *) &error_connection;
c->fd = fd;
))
{
XCBDisconnect(c);
- return 0;
+ return (XCBConnection *) &error_connection;
}
return c;
void XCBDisconnect(XCBConnection *c)
{
- if(!c)
+ if(c->has_error)
return;
free(c->setup);
/* Private interface */
+void _xcb_conn_shutdown(XCBConnection *c)
+{
+ c->has_error = 1;
+}
+
int _xcb_conn_wait(XCBConnection *c, pthread_cond_t *cond, struct iovec **vector, int *count)
{
int ret;
ret = select(c->fd + 1, &rfds, &wfds, 0, 0);
} while (ret == -1 && errno == EINTR);
if (ret < 0)
+ {
+ _xcb_conn_shutdown(c);
ret = 0;
+ }
pthread_mutex_lock(&c->iolock);
if(ret)