X-Git-Url: http://git.demorecorder.com/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fxcb_conn.c;h=7202cc52297634447a50cb8a61cf23c52f5e4439;hb=b52790e8ed4bb077eabdeca803935d2910558acc;hp=a017c2075233fc53119e647f93f869e236e2a549;hpb=3c5813697169a33ecfd6ac0ab5641dec654f6612;p=free-sw%2Fxcb%2Flibxcb

diff --git a/src/xcb_conn.c b/src/xcb_conn.c
index a017c20..7202cc5 100644
--- a/src/xcb_conn.c
+++ b/src/xcb_conn.c
@@ -25,6 +25,10 @@
 
 /* Connection management: the core of XCB. */
 
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
 #include <assert.h>
 #include <string.h>
 #include <stdio.h>
@@ -44,6 +48,7 @@
 #ifdef _WIN32
 #include "xcb_windefs.h"
 #else
+#include <sys/socket.h>
 #include <netinet/in.h>
 #endif /* _WIN32 */
 
@@ -58,7 +63,9 @@ typedef struct {
     uint16_t length;
 } xcb_setup_generic_t;
 
-const int error_connection = 1;
+static const int xcb_con_error = XCB_CONN_ERROR;
+static const int xcb_con_closed_mem_er = XCB_CONN_CLOSED_MEM_INSUFFICIENT;
+static const int xcb_con_closed_parse_er = XCB_CONN_CLOSED_PARSE_ERR;
 
 static int set_fd_flags(const int fd)
 {
@@ -208,7 +215,7 @@ static int write_vec(xcb_connection_t *c, struct iovec **vector, int *count)
 
     if(n <= 0)
     {
-        _xcb_conn_shutdown(c);
+        _xcb_conn_shutdown(c, XCB_CONN_ERROR);
         return 0;
     }
 
@@ -262,7 +269,7 @@ xcb_connection_t *xcb_connect_to_fd(int fd, xcb_auth_info_t *auth_info)
     if(fd >= FD_SETSIZE) /* would overflow in FD_SET */
     {
         close(fd);
-        return (xcb_connection_t *) &error_connection;
+        return _xcb_conn_ret_error(XCB_CONN_ERROR);
     }
 #endif
 #endif /* !_WIN32*/
@@ -270,7 +277,7 @@ xcb_connection_t *xcb_connect_to_fd(int fd, xcb_auth_info_t *auth_info)
     c = calloc(1, sizeof(xcb_connection_t));
     if(!c) {
         close(fd);
-        return (xcb_connection_t *) &error_connection;
+        return _xcb_conn_ret_error(XCB_CONN_CLOSED_MEM_INSUFFICIENT) ;
     }
 
     c->fd = fd;
@@ -287,7 +294,7 @@ xcb_connection_t *xcb_connect_to_fd(int fd, xcb_auth_info_t *auth_info)
         ))
     {
         xcb_disconnect(c);
-        return (xcb_connection_t *) &error_connection;
+        return _xcb_conn_ret_error(XCB_CONN_ERROR);
     }
 
     return c;
@@ -295,7 +302,7 @@ xcb_connection_t *xcb_connect_to_fd(int fd, xcb_auth_info_t *auth_info)
 
 void xcb_disconnect(xcb_connection_t *c)
 {
-    if(c == (xcb_connection_t *) &error_connection)
+    if(c->has_error)
         return;
 
     free(c->setup);
@@ -312,13 +319,42 @@ void xcb_disconnect(xcb_connection_t *c)
     _xcb_xid_destroy(c);
 
     free(c);
+
+#ifdef _WIN32
+    WSACleanup();
+#endif
 }
 
 /* Private interface */
 
-void _xcb_conn_shutdown(xcb_connection_t *c)
+void _xcb_conn_shutdown(xcb_connection_t *c, int err)
+{
+    c->has_error = err;
+}
+
+/* Return connection error state.
+ * To make thread-safe, I need a seperate static
+ * variable for every possible error.
+ */
+xcb_connection_t *_xcb_conn_ret_error(int err)
 {
-    c->has_error = 1;
+
+    switch(err)
+    {
+        case XCB_CONN_CLOSED_MEM_INSUFFICIENT:
+        {
+            return (xcb_connection_t *) &xcb_con_closed_mem_er;
+        }
+        case XCB_CONN_CLOSED_PARSE_ERR:
+        {
+            return (xcb_connection_t *) &xcb_con_closed_parse_er;
+        }
+        case XCB_CONN_ERROR:
+        default:
+        {
+            return (xcb_connection_t *) &xcb_con_error;
+        }
+    }
 }
 
 int _xcb_conn_wait(xcb_connection_t *c, pthread_cond_t *cond, struct iovec **vector, int *count)
@@ -379,7 +415,7 @@ int _xcb_conn_wait(xcb_connection_t *c, pthread_cond_t *cond, struct iovec **vec
     } while (ret == -1 && errno == EINTR);
     if(ret < 0)
     {
-        _xcb_conn_shutdown(c);
+        _xcb_conn_shutdown(c, XCB_CONN_ERROR);
         ret = 0;
     }
     pthread_mutex_lock(&c->iolock);