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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
*
* Dan Williams <dcbw@redhat.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* (C) Copyright 2006 Red Hat, Inc.
*/
#include "config.h"
#include <stdio.h>
#include <unistd.h>
#include <errno.h>
#include <sys/wait.h>
#include <stdlib.h>
#include <syslog.h>
#include <glib.h>
int main (int argc, char ** argv)
{
GPid gdb_pid;
int out;
char gdm_pid[16];
char line[256];
int gdb_stat;
int bytes_read;
gboolean res;
gboolean done;
GError *error;
int options;
char * args[] = { "gdb",
"--batch",
"--quiet",
"--command=" DATADIR "/gdm/gdb-cmd",
NULL,
NULL };
snprintf (gdm_pid, sizeof (gdm_pid), "--pid=%d", getppid ());
args[4] = &gdm_pid[0];
error = NULL;
res = g_spawn_async_with_pipes (NULL,
args,
NULL,
G_SPAWN_SEARCH_PATH | G_SPAWN_DO_NOT_REAP_CHILD,
NULL,
NULL,
&gdb_pid,
NULL,
&out,
NULL,
&error);
if (! res) {
g_warning ("Unable to get backtrace: %s", error->message);
g_error_free (error);
exit (1);
}
options = LOG_PID | LOG_CONS;
#ifdef LOG_PERROR
options |= LOG_PERROR;
#endif
openlog ("gdm", options, LOG_DAEMON);
syslog (LOG_CRIT, "******************* START **********************************");
done = FALSE;
while (!done) {
bytes_read = read (out, line, sizeof (line) - 1);
if (bytes_read > 0) {
char *end = &line[0];
char *start = &line[0];
/* Can't just funnel the output to syslog, have to do a separate
* syslog () for each line in the output.
*/
line[bytes_read] = '\0';
while (*end != '\0') {
if (*end == '\n') {
*end = '\0';
syslog (LOG_CRIT, "%s", start);
start = end + 1;
}
end++;
}
} else if ((bytes_read <= 0) || ((errno != EINTR) && (errno != EAGAIN))) {
done = TRUE;
}
}
syslog (LOG_CRIT, "******************* END **********************************");
close (out);
waitpid (gdb_pid, &gdb_stat, 0);
exit (0);
}
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