Changeset 6614 for trunk/src

Timestamp:

Aug 31, 2001, 9:55:41 PM (24 years ago)

Author:

phaller

Message:

better behaviour if PostMessage fails due to low memory

File:

• trunk/src/user32/oslibmsg.cpp (modified) (5 diffs)

trunk/src/user32/oslibmsg.cpp

@@ -1 @@
-/* $Id: oslibmsg.cpp,v 1.41 2001-08-09 08:45:40 sandervl Exp $ */
+/* $Id: oslibmsg.cpp,v 1.42 2001-08-31 19:55:41 phaller Exp $ */
 /*
  * Window message translation functions for OS/2
@@ -38 +38 @@
 #include "dbglocal.h"
 
+
+// PH 2001-08-24 It seems a failure to post a message
+// kills Opera here and there.
+#define VERIFY_SHARED_HEAP 1
+
+
 typedef BOOL (EXPENTRY FNTRANS)(MSG *, QMSG *);
 typedef FNTRANS *PFNTRANS;
@@ -461 +467 @@
 {
  POSTMSG_PACKET *packet = (POSTMSG_PACKET *)_smalloc(sizeof(POSTMSG_PACKET));
-
+  
+#ifdef VERIFY_SHARED_HEAP
+  if (NULL == packet)
+  {
+    dprintf(("user32::oslibmsg::OSLibSendMessage - allocated packet structure is NULL, heapmin=%d\n",
+             _sheapmin() ));
+    
+    // PH: we cannot provide a correct returncode :(
+    return 0;
+  }
+#endif
+  
     packet->wParam   = wParam;
     packet->lParam   = lParam;
@@ -479 +496 @@
 {
  POSTMSG_PACKET *packet = (POSTMSG_PACKET *)_smalloc(sizeof(POSTMSG_PACKET));
-
+  
+#ifdef VERIFY_SHARED_HEAP
+  if (NULL == packet)
+  {
+    dprintf(("user32::oslibmsg::OSLibPostMessage - allocated packet structure is NULL, heapmin=%d\n",
+             _sheapmin() ));
+    
+    // PH: we can provide a correct returncode
+    return FALSE;
+  }
+#endif
     packet->wParam   = wParam;
     packet->lParam   = lParam;
@@ -510 +537 @@
  POSTMSG_PACKET *packet = (POSTMSG_PACKET *)_smalloc(sizeof(POSTMSG_PACKET));
  BOOL ret;
-
+  
+#ifdef VERIFY_SHARED_HEAP
+  if (NULL == packet)
+  {
+    dprintf(("user32::oslibmsg::OSLibPostMessage - allocated packet structure is NULL, heapmin=%d\n",
+             _sheapmin() ));
+    
+    // PH: we can provide a correct returncode
+    return FALSE;
+  }
+#endif
+  
+  
     if(teb == NULL) {
         dprintf(("OSLibPostThreadMessage: thread %x not found!", threadid));