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Unprotect the allocator before trying to create a minidump from a signal.

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It is impossible to write a minidump with memory protected. This means that
before this change, no minidump were created when a signal was caught, instead
the application froze.
Review URL: https://breakpad.appspot.com/389002

git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@964 4c0a9323-5329-0410-9bdc-e9ce6186880e
This commit is contained in:
qsr@chromium.org 2012-05-14 11:34:01 +00:00
parent 05d61dfd83
commit bbc3789df1
1 changed files with 13 additions and 5 deletions
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8
src/client/mac/handler/exception_handler.cc
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@ -582,6 +582,10 @@ void *ExceptionHandler::WaitForMessage(void *exception_handler_class) {
//static
void ExceptionHandler::SignalHandler(int sig, siginfo_t* info, void* uc) {
#if USE_PROTECTED_ALLOCATIONS
if (gBreakpadAllocator)
gBreakpadAllocator->Unprotect();
#endif
gProtectedData.handler->WriteMinidumpWithException(
EXC_SOFTWARE,
MD_EXCEPTION_CODE_MAC_ABORT,
@ -589,6 +593,10 @@ void ExceptionHandler::SignalHandler(int sig, siginfo_t* info, void* uc) {
mach_thread_self(),
true,
true);
#if USE_PROTECTED_ALLOCATIONS
if (gBreakpadAllocator)
gBreakpadAllocator->Protect();
#endif
}
bool ExceptionHandler::InstallHandler() {