static bool
on_err_read(void *data, int fd, uint32_t active_flags)
{
struct subprocess_data *mdata = data;
struct sol_blob *blob = NULL;
bool eof = true;
int err = 0;
if (active_flags & SOL_FD_FLAGS_ERR)
err = -EBADF;
else
err = child_read(&blob, &eof, mdata->pipes.err[0]);
if (eof || err < 0) {
mdata->watches.err = NULL;
if (err < 0)
return false;
}
sol_flow_send_blob_packet(mdata->node, SOL_FLOW_NODE_TYPE_PROCESS_SUBPROCESS__OUT__STDERR, blob);
sol_blob_unref(blob);
if (eof)
return false;
return true;
}
static ssize_t
program_filter_read(struct archive_read_filter *self, const void **buff)
{
struct program_filter *state;
ssize_t bytes;
size_t total;
char *p;
state = (struct program_filter *)self->data;
total = 0;
p = state->out_buf;
while (state->child_stdout != -1 && total < state->out_buf_len) {
bytes = child_read(self, p, state->out_buf_len - total);
if (bytes < 0)
/* No recovery is possible if we can no longer
* read from the child. */
return (ARCHIVE_FATAL);
if (bytes == 0)
/* We got EOF from the child. */
break;
total += bytes;
p += bytes;
}
*buff = state->out_buf;
return (total);
}
int main(int argc, char **argv)
{
int sv[2];
pid_t pid;
if (socketpair(AF_LOCAL, SOCK_STREAM, 0, sv) < 0)
{
perror("socketpair");
exit(EXIT_FAILURE);
}
switch ((pid = fork()))
{
case 0:
close(sv[0]);
child_read(sv[1]);
break;
case -1:
perror("fork");
exit(EXIT_FAILURE);
default:
close(sv[1]);
parent_writes(sv[0]);
break;
}
int status;
waitpid(pid, &status, 0);
return 0;
}
/* 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
}
/* Once we get here, we should be * safe to do whatever we want;
* heavyweights like malloc and RString 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;
vector<RString> 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 RString CrashedThread(temp);
delete[] temp;
/* Wait for the child to either finish cleaning up or die. */
fd_set rs;
struct timeval timeout = { 5, 0 }; // 5 seconds
FD_ZERO( &rs );
FD_SET( 3, &rs );
int ret = select( 4, &rs, NULL, NULL, &timeout );
if( ret == 0 )
{
fputs( "Timeout exceeded.\n", stderr );
}
else if( (ret == -1 && errno != EPIPE) || ret != 1 )
{
fprintf( stderr, "Unexpected return from select() result: %d (%s)\n", ret, strerror(errno) );
// Keep going.
}
else
{
char x;
// No need to check FD_ISSET( 3, &rs ) because it was the only descriptor in the set.
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 */
}
}
RString sCrashInfoPath = "/tmp";
#if defined(MACOSX)
sCrashInfoPath = CrashHandler::GetLogsDirectory();
#else
const char *home = getenv( "HOME" );
if( home )
sCrashInfoPath = home;
#endif
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%s crash report", PRODUCT_FAMILY, product_version );
fprintf( CrashDump, " (build %s, %s @ %s)", ::sm_version_git_hash, version_date, version_time );
fprintf( CrashDump, "\n" );
fprintf( CrashDump, "--------------------------------------\n" );
fprintf( CrashDump, "\n" );
RString reason;
switch( crash.type )
{
case CrashData::SIGNAL:
{
reason = ssprintf( "%s - %s", SignalName(crash.signal), SignalCodeName(crash.signal, crash.si.si_code) );
/* 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, "Architecture: %s\n", HOOKS->GetArchName().c_str() );
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 )
fputs( Checkpoints[i], CrashDump );
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(MACOSX)
CrashHandler::InformUserOfCrash( sCrashInfoPath );
#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;
fputs( "\n"
PRODUCT_ID " has crashed. Debug information has been output to\n"
"\n"
" " + sCrashInfoPath + "\n"
"\n"
"Please report a bug at:\n"
"\n"
" " REPORT_BUG_URL "\n"
"\n", tty );
#endif
}
