Glenn Maynard
607a8e2e11
making crash handling more consistent. Move the crash handling dialog into a new process, like the Unix handler does. - We're allowed to operate normally; we have a new heap, so allocations are safe. - Gzipping the VDI is easy now; we can simply use GunzipFile(). The only particularly ugly thing in this is the need to run CrashGetModuleBaseName in the original process. That's lame, but straightforward. It'd be better to use GetModuleFileNameEx, but I didn't want to drag psapi.dll into this. This may also make window hiding more reliable. Previously, we wrote the crashinfo, tried to hide the window, then showed the dialog. Hiding the window was risky and could hang or crash again. Now we can forcibly kill the process from the child, if needed, and still be able to show a dialog. This also removes the backtrace and "reason" displays from the dialog. Those weren't useful in practice; I always loaded the crashinfo.txt and never used them, and they're intimidating to casual users.
53 lines
1.9 KiB
C
53 lines
1.9 KiB
C
#ifndef CRASH_HANDLER_INTERNAL_H
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#define CRASH_HANDLER_INTERNAL_H
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#define BACKTRACE_MAX_SIZE 100
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struct CrashInfo
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{
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char m_CrashReason[1024*8];
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const void *m_BacktracePointers[BACKTRACE_MAX_SIZE];
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enum { MAX_BACKTRACE_THREADS = 32 };
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const void *m_AlternateThreadBacktrace[MAX_BACKTRACE_THREADS][BACKTRACE_MAX_SIZE];
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char m_AlternateThreadName[MAX_BACKTRACE_THREADS][128];
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CrashInfo()
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{
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m_CrashReason[0] = 0;
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memset( m_AlternateThreadBacktrace, 0, sizeof(m_AlternateThreadBacktrace) );
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memset( m_AlternateThreadName, 0, sizeof(m_AlternateThreadName) );
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m_BacktracePointers[0] = NULL;
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}
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};
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#define CHILD_MAGIC_PARAMETER "--private-do-crash-handler"
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#endif
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/*
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* (c) 2003-2006 Glenn Maynard
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* All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, and/or sell copies of the Software, and to permit persons to
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* whom the Software is furnished to do so, provided that the above
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* copyright notice(s) and this permission notice appear in all copies of
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* the Software and that both the above copyright notice(s) and this
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* permission notice appear in supporting documentation.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF
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* THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS
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* INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT
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* OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
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* OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
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* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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