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Deregister SEH handler before reporting SE.

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This commit is contained in:
Martin Hořeňovský 2017-02-06 20:40:46 +01:00
parent 4feb2dbb50
commit 23600609c0
1 changed files with 22 additions and 14 deletions
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36
include/internal/catch_fatal_condition.hpp
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@ -53,6 +53,7 @@ namespace Catch {
static LONG CALLBACK handleVectoredException(PEXCEPTION_POINTERS ExceptionInfo) {
for (int i = 0; i < sizeof(signalDefs) / sizeof(SignalDefs); ++i) {
if (ExceptionInfo->ExceptionRecord->ExceptionCode == signalDefs[i].id) {
reset();
reportFatal(signalDefs[i].name);
}
}
@ -61,22 +62,25 @@ namespace Catch {
return EXCEPTION_CONTINUE_SEARCH;
}
// 32k seems enough for Catch to handle stack overflow,
// but the value was found experimentally, so there is no strong guarantee
FatalConditionHandler():m_isSet(true), m_guaranteeSize(32 * 1024), m_exceptionHandlerHandle(CATCH_NULL) {
FatalConditionHandler() {
isSet = true;
// 32k seems enough for Catch to handle stack overflow,
// but the value was found experimentally, so there is no strong guarantee
guaranteeSize = 32 * 1024;
exceptionHandlerHandle = CATCH_NULL;
// Register as first handler in current chain
m_exceptionHandlerHandle = AddVectoredExceptionHandler(1, handleVectoredException);
exceptionHandlerHandle = AddVectoredExceptionHandler(1, handleVectoredException);
// Pass in guarantee size to be filled
SetThreadStackGuarantee(&m_guaranteeSize);
SetThreadStackGuarantee(&guaranteeSize);
}
void reset() {
if (m_isSet) {
static void reset() {
if (isSet) {
// Unregister handler and restore the old guarantee
RemoveVectoredExceptionHandler(m_exceptionHandlerHandle);
SetThreadStackGuarantee(&m_guaranteeSize);
m_exceptionHandlerHandle = CATCH_NULL;
m_isSet = false;
RemoveVectoredExceptionHandler(exceptionHandlerHandle);
SetThreadStackGuarantee(&guaranteeSize);
exceptionHandlerHandle = CATCH_NULL;
isSet = false;
}
}
@ -84,11 +88,15 @@ namespace Catch {
reset();
}
private:
bool m_isSet;
ULONG m_guaranteeSize;
PVOID m_exceptionHandlerHandle;
static bool isSet;
static ULONG guaranteeSize;
static PVOID exceptionHandlerHandle;
};
bool FatalConditionHandler::isSet = false;
ULONG FatalConditionHandler::guaranteeSize = 0;
PVOID FatalConditionHandler::exceptionHandlerHandle = CATCH_NULL;
} // namespace Catch
# endif // CATCH_CONFIG_WINDOWS_SEH