[134] | 1 | /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- |
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| 2 | * |
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| 3 | * Dan Williams <dcbw@redhat.com> |
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| 4 | * |
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| 5 | * This program is free software; you can redistribute it and/or modify |
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| 6 | * it under the terms of the GNU General Public License as published by |
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| 7 | * the Free Software Foundation; either version 2 of the License, or |
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| 8 | * (at your option) any later version. |
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| 9 | * |
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| 10 | * This program is distributed in the hope that it will be useful, |
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| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 13 | * GNU General Public License for more details. |
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| 14 | * |
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| 15 | * You should have received a copy of the GNU General Public License |
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| 16 | * along with this program; if not, write to the Free Software |
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| 17 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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| 18 | * |
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| 19 | * (C) Copyright 2006 Red Hat, Inc. |
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| 20 | */ |
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| 21 | |
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| 22 | #include "config.h" |
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| 23 | |
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| 24 | #include <stdio.h> |
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| 25 | #include <unistd.h> |
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| 26 | #include <errno.h> |
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| 27 | #include <sys/wait.h> |
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| 28 | #include <stdlib.h> |
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| 29 | #include <syslog.h> |
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| 30 | #include <glib.h> |
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| 31 | |
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| 32 | int main (int argc, char ** argv) |
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| 33 | { |
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| 34 | GPid gdb_pid; |
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| 35 | int out; |
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| 36 | char gdm_pid[16]; |
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| 37 | char line[256]; |
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| 38 | int gdb_stat; |
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| 39 | int bytes_read; |
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| 40 | gboolean res; |
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| 41 | gboolean done; |
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| 42 | GError *error; |
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| 43 | int options; |
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| 44 | char * args[] = { "gdb", |
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| 45 | "--batch", |
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| 46 | "--quiet", |
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| 47 | "--command=" DATADIR "/gdm/gdb-cmd", |
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| 48 | NULL, |
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| 49 | NULL }; |
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| 50 | |
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| 51 | snprintf (gdm_pid, sizeof (gdm_pid), "--pid=%d", getppid ()); |
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| 52 | args[4] = &gdm_pid[0]; |
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| 53 | error = NULL; |
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| 54 | res = g_spawn_async_with_pipes (NULL, |
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| 55 | args, |
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| 56 | NULL, |
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| 57 | G_SPAWN_SEARCH_PATH | G_SPAWN_DO_NOT_REAP_CHILD, |
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| 58 | NULL, |
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| 59 | NULL, |
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| 60 | &gdb_pid, |
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| 61 | NULL, |
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| 62 | &out, |
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| 63 | NULL, |
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| 64 | &error); |
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| 65 | if (! res) { |
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| 66 | g_warning ("Unable to get backtrace: %s", error->message); |
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| 67 | g_error_free (error); |
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| 68 | exit (1); |
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| 69 | } |
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| 70 | |
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| 71 | options = LOG_PID | LOG_CONS; |
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| 72 | #ifdef LOG_PERROR |
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| 73 | options |= LOG_PERROR; |
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| 74 | #endif |
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| 75 | |
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| 76 | openlog ("gdm", options, LOG_DAEMON); |
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| 77 | syslog (LOG_CRIT, "******************* START **********************************"); |
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| 78 | done = FALSE; |
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| 79 | while (!done) { |
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| 80 | bytes_read = read (out, line, sizeof (line) - 1); |
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| 81 | if (bytes_read > 0) { |
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| 82 | char *end = &line[0]; |
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| 83 | char *start = &line[0]; |
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| 84 | |
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| 85 | /* Can't just funnel the output to syslog, have to do a separate |
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| 86 | * syslog () for each line in the output. |
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| 87 | */ |
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| 88 | line[bytes_read] = '\0'; |
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| 89 | while (*end != '\0') { |
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| 90 | if (*end == '\n') { |
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| 91 | *end = '\0'; |
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| 92 | syslog (LOG_CRIT, "%s", start); |
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| 93 | start = end + 1; |
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| 94 | } |
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| 95 | end++; |
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| 96 | } |
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| 97 | } else if ((bytes_read <= 0) || ((errno != EINTR) && (errno != EAGAIN))) { |
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| 98 | done = TRUE; |
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| 99 | } |
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| 100 | } |
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| 101 | syslog (LOG_CRIT, "******************* END **********************************"); |
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| 102 | close (out); |
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| 103 | waitpid (gdb_pid, &gdb_stat, 0); |
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| 104 | exit (0); |
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| 105 | } |
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