Changeset 21662 for trunk/testapp/exceptions

Timestamp:

Jul 5, 2011, 7:52:42 PM (14 years ago)

Author:

dmik

Message:

kernel32: SEH: Disabled unwinding Win32 exception handlers in response to the OS/2 unwind procedure to prevent endless recursive crashes inside OS2RtlUnwind() happening due to stack corruption under SMP kernel when too many threads are being unwound at once. Closes #37.

Location:

trunk/testapp/exceptions/seh

Files:

• Makefile (modified) (1 diff)
• longjmp.c (modified) (2 diffs)

trunk/testapp/exceptions/seh/Makefile

@@ -20 +20 @@
      $(call run-with-args,except.exe,1 2 3 4,all) \
      $(call run-with-args,finally.exe,1 2 3,all) \
-     $(call run-with-args,longjmp.exe,1 2,all) \
+     $(call run-with-args,longjmp.exe,1,all) \
      run-crash.exe
 

trunk/testapp/exceptions/seh/longjmp.c

@@ -119 +119 @@
             rc = test_1();
             break;
+            
+            // Note that since we disabled Win32 exception handler unwinding
+            // support (see comments in OS2ExceptionHandler3ndLevel()), test_2()
+            // will always crash now
+#if 0            
         case 2:
             // note that test_2() will actually only work if the top exception
@@ -125 +130 @@
             rc = test_2();
             break;
+#endif            
         default:
             break;