XQuartz: pbproxy: Wait for the server to finish starting up, so display is valid.

Signed-off-by: Jeremy Huddleston <jeremyhu@freedesktop.org>

2 files changed, 20 insertions, 0 deletions

diff --git a/hw/xquartz/pbproxy/app-main.m b/hw/xquartz/pbproxy/app-main.m
index d4b43c6ae..f3f683af3 100644
--- a/hw/xquartz/pbproxy/app-main.m
+++ b/hw/xquartz/pbproxy/app-main.m
@@ -37,7 +37,11 @@
 static const char *app_prefs_domain = "org.x.X11";
 CFStringRef app_prefs_domain_cfstr;
 
+/* Stubs */
 char *display = NULL;
+BOOL serverInitComplete = YES;
+pthread_mutex_t serverInitCompleteMutex = PTHREAD_MUTEX_INITIALIZER;
+pthread_cond_t serverInitCompleteCond = PTHREAD_COND_INITIALIZER;
 
 static void signal_handler (int sig) {
     switch(sig) {
diff --git a/hw/xquartz/pbproxy/main.m b/hw/xquartz/pbproxy/main.m
index 5bc518243..d26b1b127 100644
--- a/hw/xquartz/pbproxy/main.m
+++ b/hw/xquartz/pbproxy/main.m
@@ -47,6 +47,20 @@ BOOL xpbproxy_is_standalone = NO;
 
 x_selection *_selection_object;
 
+extern BOOL serverInitComplete;
+extern pthread_mutex_t serverInitCompleteMutex;
+extern pthread_cond_t serverInitCompleteCond;
+
+static inline void wait_for_server_init(void) {
+    /* If the server hasn't finished initializing, wait for it... */
+    if(!serverInitComplete) {
+        pthread_mutex_lock(&serverInitCompleteMutex);
+        while(!serverInitComplete)
+            pthread_cond_wait(&serverInitCompleteCond, &serverInitCompleteMutex);
+        pthread_mutex_unlock(&serverInitCompleteMutex);
+    }
+}
+
 static int x_io_error_handler (Display *dpy) {
     /* We lost our connection to the server. */
     
@@ -85,6 +99,8 @@ static void *xpbproxy_x_thread(void *args) {
     NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
     size_t i;
 
+    wait_for_server_init();
+
     for(i=0, xpbproxy_dpy=NULL; !xpbproxy_dpy && i<5; i++) {
         xpbproxy_dpy = XOpenDisplay(NULL);