maint: update copyright

[gnulib.git] / m4 / nocrash.m4

diff --git a/m4/nocrash.m4 b/m4/nocrash.m4
index 1f92c26..5a5d77d 100644 (file)
--- a/m4/nocrash.m4
+++ b/m4/nocrash.m4
@@ -1,12 +1,12 @@
-# nocrash.m4 serial 1
-dnl Copyright (C) 2005 Free Software Foundation, Inc.
+# nocrash.m4 serial 4
+dnl Copyright (C) 2005, 2009-2014 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
 
 dnl Based on libsigsegv, from Bruno Haible and Paolo Bonzini.
 
-AC_PREREQ(2.13)
+AC_PREREQ([2.13])
 
 dnl Expands to some code for use in .c programs that will cause the configure
 dnl test to exit instead of crashing. This is useful to avoid triggering
@@ -18,7 +18,7 @@ dnl          int main() { nocrash_init(); ... }
 AC_DEFUN([GL_NOCRASH],[[
 #include <stdlib.h>
 #if defined __MACH__ && defined __APPLE__
-/* Avoid a crash on MacOS X.  */
+/* Avoid a crash on Mac OS X.  */
 #include <mach/mach.h>
 #include <mach/mach_error.h>
 #include <mach/thread_status.h>
@@ -79,6 +79,34 @@ nocrash_init (void)
     }
   }
 }
+#elif (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
+/* Avoid a crash on native Windows.  */
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+#include <winerror.h>
+static LONG WINAPI
+exception_filter (EXCEPTION_POINTERS *ExceptionInfo)
+{
+  switch (ExceptionInfo->ExceptionRecord->ExceptionCode)
+    {
+    case EXCEPTION_ACCESS_VIOLATION:
+    case EXCEPTION_IN_PAGE_ERROR:
+    case EXCEPTION_STACK_OVERFLOW:
+    case EXCEPTION_GUARD_PAGE:
+    case EXCEPTION_PRIV_INSTRUCTION:
+    case EXCEPTION_ILLEGAL_INSTRUCTION:
+    case EXCEPTION_DATATYPE_MISALIGNMENT:
+    case EXCEPTION_ARRAY_BOUNDS_EXCEEDED:
+    case EXCEPTION_NONCONTINUABLE_EXCEPTION:
+      exit (1);
+    }
+  return EXCEPTION_CONTINUE_SEARCH;
+}
+static void
+nocrash_init (void)
+{
+  SetUnhandledExceptionFilter ((LPTOP_LEVEL_EXCEPTION_FILTER) exception_filter);
+}
 #else
 /* Avoid a crash on POSIX systems.  */
 #include <signal.h>