system function 40 now returns previous value of event mask

git-svn-id: svn://kolibrios.org@1153 a494cfbc-eb01-0410-851d-a64ba20cac60

kernel/trunk/docs/sysfuncr.txt

@@ -1937,7 +1937,7 @@ dd 638
   * ebx = <20><>᪠: <20><><EFBFBD> i ᮮ⢥<E1AEAE><E2A2A5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> ᮡ<><E1AEA1><EFBFBD><EFBFBD> i+1 (<28><>. ᯨ᮪ ᮡ<>⨩)
     (<28><>⠭<EFBFBD><E2A0AD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> ࠧ<><E0A0A7>蠥<EFBFBD> <20><><EFBFBD><EFBFBD>饭<EFBFBD><E9A5AD> <20> ᮡ<>⨨)
 <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>頥<EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD>祭<EFBFBD><E7A5AD>:
-  * <EFBFBD>㭪<EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>頥<EFBFBD> <20><><EFBFBD>祭<EFBFBD><EFBFBD>
+  * eax = <20>।<EFBFBD><EFBFBD><EFBFBD>饥 <20><><EFBFBD>祭<EFBFBD><E7A5AD> <20><>᪨
 <EFBFBD><EFBFBD><EFBFBD><EFBFBD>砭<EFBFBD><EFBFBD>:
   * <20><>᪠ <20><> 㬮<>砭<EFBFBD><E7A0AD> (7=111b) ࠧ<><E0A0A7>蠥<EFBFBD> <20><><EFBFBD><EFBFBD>饭<EFBFBD><E9A5AD> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ᮢ<EFBFBD><E1AEA2>
     <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>.

kernel/trunk/docs/sysfuncs.txt

@@ -1914,7 +1914,7 @@ Parameters:
   * ebx = mask: bit i corresponds to event i+1 (see list of events)
     (set bit permits notice on event)
 Returned value:
-  * function does not return value
+  * eax = previous value of mask
 Remarks:
   * Default mask (7=111b) enables nofices about redraw,
     keys and buttons. This is enough for many applications.

kernel/trunk/kernel.asm

@@ -3720,7 +3720,9 @@ delay_ms:     ; delay in 1/1000 sec
 
 set_app_param:
         mov     edi, [TASK_BASE]
+        mov     eax, [edi + TASKDATA.event_mask]
         mov     [edi + TASKDATA.event_mask], ebx
+        mov     [esp+32], eax
         ret