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ForceCrashHandlerDeadlock(GetInvalidThreadId()) support

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This commit is contained in:
Glenn Maynard
2004-09-08 08:08:06 +00:00
parent dbbf9497cd
commit 96d780514e
1 changed files with 31 additions and 12 deletions
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stepmania/src/archutils/Unix/CrashHandler.cpp
+31 -12
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@@ -364,18 +364,13 @@ void ForceCrashHandler( const char *reason )
void ForceCrashHandlerDeadlock( CString reason, uint64_t iID )
{
if ( iID == GetInvalidThreadId() )
{
ForceCrashHandler( reason );
_exit(1);
}
BacktraceContext ctx;
/* How can this possibly work without suspending the thread first? What
* stops the thread from returning from the function it was in when
* GetThreadBacktraceContext was called and then changing the stack?
*/
/* There's just no good way to pause other threads, that doesn't result in us
* being paused, weird stuff happening to the TTY, or kernel hung processes.
* We just hope that we backtrace in time (which we almost always do). */
#if defined(DARWIN)
SuspendThread(iCrashHandle);
#endif
@@ -386,13 +381,37 @@ void ForceCrashHandlerDeadlock( CString reason, uint64_t iID )
GetBacktrace( crash.BacktracePointers[0], BACKTRACE_MAX_SIZE, NULL );
if( !GetThreadBacktraceContext( iID, &ctx ) )
reason += "; GetThreadBacktraceContext failed";
if( iID == GetInvalidThreadId() )
{
/* Backtrace all threads. */
int iCnt = 1;
for( int i = 0; RageThread::EnumThreadIDs(i, iID); ++i )
{
if( iID == GetInvalidThreadId() || iID == RageThread::GetCurrentThreadID() )
continue;
BacktraceContext ctx;
if( GetThreadBacktraceContext( iID, &ctx ) )
GetBacktrace( crash.BacktracePointers[iCnt], BACKTRACE_MAX_SIZE, &ctx );
strncpy( crash.m_ThreadName[iCnt], RageThread::GetThreadNameByID(iID), sizeof(crash.m_ThreadName[0])-1 );
++iCnt;
if( iCnt == CrashData::MAX_BACKTRACE_THREADS )
break;
}
}
else
GetBacktrace( crash.BacktracePointers[1], BACKTRACE_MAX_SIZE, &ctx );
{
BacktraceContext ctx;
if( !GetThreadBacktraceContext( iID, &ctx ) )
reason += "; GetThreadBacktraceContext failed";
else
GetBacktrace( crash.BacktracePointers[1], BACKTRACE_MAX_SIZE, &ctx );
strncpy( crash.m_ThreadName[1], RageThread::GetThreadNameByID(iID), sizeof(crash.m_ThreadName[0])-1 );
}
strncpy( crash.m_ThreadName[0], RageThread::GetCurThreadName(), sizeof(crash.m_ThreadName[0])-1 );
strncpy( crash.m_ThreadName[1], RageThread::GetThreadNameByID(iID), sizeof(crash.m_ThreadName[0])-1 );
strncpy( crash.reason, reason, min(sizeof(crash.reason) - 1, reason.length()) );
crash.reason[ sizeof(crash.reason)-1 ] = 0;