1 /*
2 Copyright (c) 2013-2016 mingw-w64 project
3
4 Contributing authors: Jean-Baptiste Kempf
5
6 Permission is hereby granted, free of charge, to any person obtaining a
7 copy of this software and associated documentation files (the "Software"),
8 to deal in the Software without restriction, including without limitation
9 the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 and/or sell copies of the Software, and to permit persons to whom the
11 Software is furnished to do so, subject to the following conditions:
12
13 The above copyright notice and this permission notice shall be included in
14 all copies or substantial portions of the Software.
15
16 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 DEALINGS IN THE SOFTWARE.
23 */
24
25 #define _WIN32_WINNT 0x501 /* SetUnhandledExceptionFilter is XP+ */
26
27 #define SetUnhandledExceptionFilter __SetUnhandledExceptionFilter
28 #include <windef.h>
29 #include <winbase.h>
30 #undef SetUnhandledExceptionFilter
31
SetUnhandledExceptionFilter(LPTOP_LEVEL_EXCEPTION_FILTER lpTopLevelExceptionFilter)32 LPTOP_LEVEL_EXCEPTION_FILTER WINAPI SetUnhandledExceptionFilter(LPTOP_LEVEL_EXCEPTION_FILTER lpTopLevelExceptionFilter)
33 {
34 static union {
35 PVOID target;
36 LPTOP_LEVEL_EXCEPTION_FILTER prev_filter;
37 } u;
38 PVOID *target = &u.target;
39 return (LPTOP_LEVEL_EXCEPTION_FILTER)(INT_PTR)InterlockedExchangePointer(target, lpTopLevelExceptionFilter);
40 }
41
42 #ifdef _X86_
43 LPTOP_LEVEL_EXCEPTION_FILTER (WINAPI *__MINGW_IMP_SYMBOL(SetUnhandledExceptionFilter))(LPTOP_LEVEL_EXCEPTION_FILTER) asm("__imp__SetUnhandledExceptionFilter@4") = SetUnhandledExceptionFilter;
44 #else
45 LPTOP_LEVEL_EXCEPTION_FILTER (WINAPI *__MINGW_IMP_SYMBOL(SetUnhandledExceptionFilter))(LPTOP_LEVEL_EXCEPTION_FILTER) asm("__imp_SetUnhandledExceptionFilter") = SetUnhandledExceptionFilter;
46 #endif
47