Changes between Version 5 and Version 6 of GraphicsApi

Timestamp:

Sep 2, 2007, 11:40:52 AM (18 years ago)

Author:

davea

Comment:

--

GraphicsApi

@@ -5 +5 @@
 The only constraints on this program are:
 
- * If invoked with `--fullscreen`, it must open a full-screen borderless window, and must exit when mouse or keyboard input occurs.
- * If not invoked with `--fullscreen`, it must open a standard window; in this case it may handle mouse/keyboard input.
+ * If invoked with `--fullscreen`, it opens a full-screen borderless window, and must exit when mouse or keyboard input occurs.
+ * If not invoked with `--fullscreen`, it opens a standard window, and it may handle mouse/keyboard input.
+
+The graphics app is launched by the BOINC Manager and by the screensaver.
+It may be killed at any time.
+Multiple instances of the graphics app may run at the same time
+(e.g. if the user opens a graphics window via the Manager,
+and then the screensaver runs and launches another instance).
 
 The BOINC graphics API (described below) provides cross-platform support for
@@ -65 +71 @@
  cpu_time:: The last CPU time reported by the main app.
  status:: The BOINC status.  If the 'suspended' flag is set, the graphics app should stop changing its display, and simply display an "application suspended" message.
+
+You may want to use a semaphore to synchronize access to the shared memory.
+Keep in mind that multiple instances of the graphics app may run simultaneously;
+avoid having the graphics app write to the shared memory.