/* Once we get here, we should be * safe to do whatever we want;
* heavyweights like malloc and CString are OK. (Don't crash!) */
static void child_process()
{
/* 1. Read the CrashData. */
CrashData crash;
if( !child_read(3, &crash, sizeof(CrashData)) )
return;
/* 2. Read info. */
int size;
if( !child_read(3, &size, sizeof(size)) )
return;
char *Info = new char [size];
if( !child_read(3, Info, size) )
return;
/* 3. Read AdditionalLog. */
if( !child_read(3, &size, sizeof(size)) )
return;
char *AdditionalLog = new char [size];
if( !child_read(3, AdditionalLog, size) )
return;
/* 4. Read RecentLogs. */
int cnt = 0;
if( !child_read(3, &cnt, sizeof(cnt)) )
return;
char *Recent[1024];
for( int i = 0; i < cnt; ++i )
{
if( !child_read(3, &size, sizeof(size)) )
return;
Recent[i] = new char [size];
if( !child_read(3, Recent[i], size) )
return;
}
/* 5. Read CHECKPOINTs. */
if( !child_read(3, &size, sizeof(size)) )
return;
char *temp = new char [size];
if( !child_read(3, temp, size) )
return;
CStringArray Checkpoints;
split(temp, "$$", Checkpoints);
delete [] temp;
/* 6. Read the crashed thread's name. */
if( !child_read(3, &size, sizeof(size)) )
return;
temp = new char [size];
if( !child_read(3, temp, size) )
return;
const CString CrashedThread(temp);
delete[] temp;
/* Wait for the child to either finish cleaning up or die. XXX:
* This should time out, in case something deadlocks. */
char x;
int ret = read(3, &x, sizeof(x));
if( ret > 0 )
{
fprintf( stderr, "Unexpected child read() result: %i\n", ret );
/* keep going */
} else if( (ret == -1 && errno != EPIPE) || ret != 0 )
{
/* We expect an EOF or EPIPE. What happened? */
fprintf(stderr, "Unexpected child read() result: %i (%s)\n", ret, strerror(errno));
/* keep going */
}
const char *home = getenv( "HOME" );
CString sCrashInfoPath = "/tmp";
if( home )
sCrashInfoPath = home;
sCrashInfoPath += "/crashinfo.txt";
FILE *CrashDump = fopen( sCrashInfoPath, "w+" );
if(CrashDump == NULL)
{
fprintf( stderr, "Couldn't open " + sCrashInfoPath + ": %s\n", strerror(errno) );
exit(1);
}
fprintf(CrashDump, "%s crash report", PRODUCT_NAME_VER );
#if defined(HAVE_VERSION_INFO)
fprintf(CrashDump, " (build %u)", version_num);
#endif
fprintf(CrashDump, "\n");
fprintf(CrashDump, "--------------------------------------\n");
fprintf(CrashDump, "\n");
CString reason;
switch( crash.type )
{
case CrashData::SIGNAL:
{
CString Signal = SignalName( crash.signal );
#if !defined(DARWIN)
reason = ssprintf( "%s - %s", Signal.c_str(), SignalCodeName(crash.signal, crash.si.si_code) );
#else
reason = Signal;
#endif
/* Linux puts the PID that sent the signal in si_addr for SI_USER. */
if( crash.si.si_code == SI_USER )
reason += ssprintf( " from pid %li", (long) crash.si.si_addr );
else switch( crash.signal )
{
case SIGILL:
case SIGFPE:
case SIGSEGV:
case SIGBUS:
reason += ssprintf( " at 0x%0*lx", int(sizeof(void*)*2), (unsigned long) crash.si.si_addr );
}
break;
}
case CrashData::FORCE_CRASH:
crash.reason[ sizeof(crash.reason)-1] = 0;
reason = crash.reason;
break;
}
fprintf( CrashDump, "Crash reason: %s\n", reason.c_str() );
fprintf( CrashDump, "Crashed thread: %s\n\n", CrashedThread.c_str() );
fprintf(CrashDump, "Checkpoints:\n");
for (unsigned i=0; i<Checkpoints.size(); ++i)
fprintf(CrashDump, Checkpoints[i]);
fprintf(CrashDump, "\n");
for( int i = 0; i < CrashData::MAX_BACKTRACE_THREADS; ++i )
{
if( !crash.BacktracePointers[i][0] )
break;
fprintf( CrashDump, "Thread: %s\n", crash.m_ThreadName[i] );
output_stack_trace( CrashDump, crash.BacktracePointers[i] );
fprintf(CrashDump, "\n");
}
fprintf(CrashDump, "Static log:\n");
fprintf(CrashDump, "%s", Info);
fprintf(CrashDump, "%s", AdditionalLog);
fprintf(CrashDump, "\nPartial log:\n");
for( int i = 0; i < cnt; ++i )
fprintf(CrashDump, "%s\n", Recent[i] );
fprintf(CrashDump, "\n");
fprintf(CrashDump, "-- End of report\n");
fclose(CrashDump);
#if defined(DARWIN)
InformUserOfCrash( sCrashInfoPath );
/* Forcibly kill our parent. */
kill( getppid(), SIGKILL );
#else
/* stdout may have been inadvertently closed by the crash in the parent;
* write to /dev/tty instead. */
FILE *tty = fopen( "/dev/tty", "w" );
if( tty == NULL )
tty = stderr;
fprintf(tty,
"\n"
PRODUCT_NAME " has crashed. Debug information has been output to\n"
"\n"
" " + sCrashInfoPath + "\n"
"\n"
"Please report a bug at:\n"
"\n"
" http://sourceforge.net/tracker/?func=add&group_id=37892&atid=421366\n"
"\n"
);
#endif
}
/* Once we get here, we should be * safe to do whatever we want;
* heavyweights like malloc and CString are OK. (Don't crash!) */
static void child_process()
{
/* 1. Read the CrashData. */
CrashData crash;
if( !child_read(3, &crash, sizeof(CrashData)) )
return;
/* 2. Read info. */
int size;
if( !child_read(3, &size, sizeof(size)) )
return;
char *Info = new char [size];
if( !child_read(3, Info, size) )
return;
/* 3. Read AdditionalLog. */
if( !child_read(3, &size, sizeof(size)) )
return;
char *AdditionalLog = new char [size];
if( !child_read(3, AdditionalLog, size) )
return;
/* 4. Read RecentLogs. */
int cnt = 0;
if( !child_read(3, &cnt, sizeof(cnt)) )
return;
char *Recent[1024];
for( int i = 0; i < cnt; ++i )
{
if( !child_read(3, &size, sizeof(size)) )
return;
Recent[i] = new char [size];
if( !child_read(3, Recent[i], size) )
return;
}
/* 5. Read CHECKPOINTs. */
if( !child_read(3, &size, sizeof(size)) )
return;
char *temp = new char [size];
if( !child_read(3, temp, size) )
return;
CStringArray Checkpoints;
split(temp, "$$", Checkpoints);
delete [] temp;
/* 6. Read the crashed thread's name. */
if( !child_read(3, &size, sizeof(size)) )
return;
temp = new char [size];
if( !child_read(3, temp, size) )
return;
const CString CrashedThread(temp);
delete[] temp;
/* Wait for the child to either finish cleaning up or die. XXX:
* This should time out, in case something deadlocks. */
char x;
int ret = read(3, &x, sizeof(x));
if( ret > 0 )
{
fprintf( stderr, "Unexpected child read() result: %i\n", ret );
/* keep going */
} else if( (ret == -1 && errno != EPIPE) || ret != 0 )
{
/* We expect an EOF or EPIPE. What happened? */
fprintf(stderr, "Unexpected child read() result: %i (%s)\n", ret, strerror(errno));
/* keep going */
}
// We don't need the file/ext, but they're required args.
CString sPath, sDir, sFile, sExt;
sPath = g_pCrashHandlerArgv0;
splitpath( sPath, sDir, sFile, sExt );
CString sCrashInfoPath = sDir + "stats";
time_t seconds;
seconds = time( NULL );
#ifdef ITG_ARCADE
sCrashInfoPath = ssprintf( "/stats/crashinfo-%ld.txt" , seconds ); // Timestamped!
#else
sCrashInfoPath = ssprintf( "Data/crashinfo-%ld.txt" , seconds );
#endif
FILE *CrashDump = fopen( sCrashInfoPath, "w+" );
if(CrashDump == NULL)
{
fprintf( stderr, "Couldn't open " + sCrashInfoPath + ": %s\n", strerror(errno) );
exit(1);
}
fprintf(CrashDump, "%s crash report", ProductInfo::GetFullVersion().c_str() );
#if defined(HAVE_VERSION_INFO)
fprintf(CrashDump, " (build %u)", ProductInfo::GetBuildRevision().c_str() );
#endif
fprintf(CrashDump, "\n");
fprintf(CrashDump, "--------------------------------------\n");
fprintf(CrashDump, "\n");
CString reason;
switch( crash.type )
{
case CrashData::SIGNAL:
{
CString Signal = SignalName( crash.signal );
#if !defined(DARWIN)
reason = ssprintf( "%s - %s", Signal.c_str(), SignalCodeName(crash.signal, crash.si.si_code) );
#else
reason = Signal;
#endif
/* Linux puts the PID that sent the signal in si_addr for SI_USER. */
if( crash.si.si_code == SI_USER )
reason += ssprintf( " from pid %li", (long) crash.si.si_addr );
else switch( crash.signal )
{
case SIGILL:
case SIGFPE:
case SIGSEGV:
case SIGBUS:
reason += ssprintf( " at 0x%0*lx", int(sizeof(void*)*2), (unsigned long) crash.si.si_addr );
}
break;
}
case CrashData::FORCE_CRASH:
crash.reason[ sizeof(crash.reason)-1] = 0;
reason = crash.reason;
break;
}
fprintf( CrashDump, "Crash reason: %s\n", reason.c_str() );
fprintf( CrashDump, "Crashed thread: %s\n\n", CrashedThread.c_str() );
fprintf(CrashDump, "Checkpoints:\n");
for (unsigned i=0; i<Checkpoints.size(); ++i)
fprintf(CrashDump, Checkpoints[i]);
fprintf(CrashDump, "\n");
for( int i = 0; i < CrashData::MAX_BACKTRACE_THREADS; ++i )
{
if( !crash.BacktracePointers[i][0] )
break;
fprintf( CrashDump, "Thread: %s\n", crash.m_ThreadName[i] );
output_stack_trace( CrashDump, crash.BacktracePointers[i] );
fprintf(CrashDump, "\n");
}
fprintf(CrashDump, "Static log:\n");
fprintf(CrashDump, "%s", Info);
fprintf(CrashDump, "%s", AdditionalLog);
fprintf(CrashDump, "\nPartial log:\n");
for( int i = 0; i < cnt; ++i )
fprintf(CrashDump, "%s\n", Recent[i] );
fprintf(CrashDump, "\n");
fprintf(CrashDump, "-- End of report\n");
fclose(CrashDump);
#if defined(DARWIN)
InformUserOfCrash( sCrashInfoPath );
/* Forcibly kill our parent. */
kill( getppid(), SIGKILL );
#else
/* stdout may have been inadvertently closed by the crash in the parent;
* write to /dev/tty instead. */
FILE *tty = fopen( "/dev/tty", "w" );
if( tty == NULL )
tty = stderr;
fprintf(tty,
"\n"
+ ProductInfo::GetName()
+ " has crashed. Debug information has been output to\n"
"\n"
" " + sCrashInfoPath + "\n"
"\n"
"Please report a bug at:\n"
"\n"
" " + ProductInfo::GetCrashReportURL() + "\n"
"\n"
);
#endif
#ifdef ITG_ARCADE
struct stat ncr;
if ( stat("/tmp/no-crash-reboot", &ncr) != 0 )
{
sync();
sleep(5);
reboot(RB_AUTOBOOT);
}
#endif
}
