svn path=/trunk/boinc/; revision=13270

api/graphics_api.C

@@ -37,7 +37,19 @@ static void init_main_state() {
     boinc_main_state.set_worker_timer_hook = set_worker_timer;
     boinc_main_state.app_client_shmp = &app_client_shm;
 #ifdef _WIN32
-    boinc_main_state.gfx_timer_id = NULL;
+    boinc_main_state.gfx_timer_id = (UINT_PTR)NULL;
+#endif
+}
+
+void boinc_suspend_graphics_thread() {
+#ifdef _WIN32
+  if (graphics_threadh) SuspendThread(graphics_threadh);
+#endif
+}
+
+void boinc_resume_graphics_thread() {
+#ifdef _WIN32
+  if (graphics_threadh) ResumeThread(graphics_threadh);
 #endif
 }
 

api/graphics_api.h

@@ -42,6 +42,8 @@ extern void boinc_app_mouse_button(int x, int y, int which, int is_down);
 extern void boinc_app_mouse_move(int x, int y, int left, int middle, int right);
 extern void boinc_app_key_press(int, int);
 extern void boinc_app_key_release(int, int);
+extern void boinc_suspend_graphics_thread();
+extern void boinc_resume_graphics_thread();
 
 // C++ API follows here 
 #ifdef __cplusplus

checkin_notes

@@ -7684,3 +7684,11 @@ Rom    2 Aug 2007
         boinc_logo.gif
     lib/
         stackwalker_win.cpp
+
+Eric K 	 06 Aug 2007
+    -added new functions boinc_suspend_graphics_thread() and
+     boinc_resume_graphics_thread(), so apps can suspend the graphics
+     threads for critical sections without suspending all threads.
+     Only implemented under WIN32 thus far.
+    api/
+        graphics_lib.[Ch]