mirror of
https://gitlab.gnome.org/GNOME/glib.git
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Adding gbacktrace.c to HEAD using copy-on-the-server accidentally
added it here, so remove it.
This commit is contained in:
Havoc Pennington
parent
d79c9740fa
commit
10bd2894b9
293
gbacktrace.c
293
gbacktrace.c
@ -1,293 +0,0 @@
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/* GLIB - Library of useful routines for C programming
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* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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||||
* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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/*
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* Modified by the GLib Team and others 1997-1999. See the AUTHORS
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* file for a list of people on the GLib Team. See the ChangeLog
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* files for a list of changes. These files are distributed with
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* GLib at ftp://ftp.gtk.org/pub/gtk/.
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*/
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/*
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* MT safe ; except for g_on_error_stack_trace, but who wants thread safety
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* then
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <signal.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include "glib.h"
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#ifdef HAVE_SYS_TIME_H
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#include <sys/time.h>
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#endif
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#ifdef HAVE_SYS_TIMES_H
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#include <sys/times.h>
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#endif
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#include <sys/types.h>
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#include <time.h>
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#ifdef HAVE_SYS_SELECT_H
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#include <sys/select.h>
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#endif /* HAVE_SYS_SELECT_H */
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#ifdef STDC_HEADERS
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#include <string.h> /* for bzero on BSD systems */
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#endif
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#ifdef _MSC_VER
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#include <process.h> /* For _getpid() */
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#endif
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#ifndef NO_FD_SET
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# define SELECT_MASK fd_set
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#else
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# ifndef _AIX
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typedef long fd_mask;
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# endif
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# if defined(_IBMR2)
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# define SELECT_MASK void
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# else
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# define SELECT_MASK int
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# endif
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#endif
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static void stack_trace (char **args);
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extern volatile gboolean glib_on_error_halt;
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volatile gboolean glib_on_error_halt = TRUE;
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void
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g_on_error_query (const gchar *prg_name)
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{
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static const gchar *query1 = "[E]xit, [H]alt";
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static const gchar *query2 = ", show [S]tack trace";
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static const gchar *query3 = " or [P]roceed";
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gchar buf[16];
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if (!prg_name)
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prg_name = g_get_prgname ();
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retry:
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if (prg_name)
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fprintf (stdout,
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"%s (pid:%u): %s%s%s: ",
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prg_name,
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(guint) getpid (),
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query1,
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query2,
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query3);
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else
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fprintf (stdout,
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"(process:%u): %s%s: ",
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(guint) getpid (),
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query1,
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query3);
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fflush (stdout);
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#ifndef NATIVE_WIN32
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if (isatty(0) && isatty(1))
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fgets (buf, 8, stdin);
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else
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strcpy (buf, "E\n");
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#else
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fgets (buf, 8, stdin);
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#endif
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if ((buf[0] == 'E' || buf[0] == 'e')
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&& buf[1] == '\n')
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_exit (0);
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else if ((buf[0] == 'P' || buf[0] == 'p')
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&& buf[1] == '\n')
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return;
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else if (prg_name
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&& (buf[0] == 'S' || buf[0] == 's')
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&& buf[1] == '\n')
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{
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g_on_error_stack_trace (prg_name);
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goto retry;
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}
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else if ((buf[0] == 'H' || buf[0] == 'h')
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&& buf[1] == '\n')
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{
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while (glib_on_error_halt)
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;
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glib_on_error_halt = TRUE;
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return;
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}
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else
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goto retry;
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}
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void
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g_on_error_stack_trace (const gchar *prg_name)
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{
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#ifndef NATIVE_WIN32
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pid_t pid;
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gchar buf[16];
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gchar *args[4] = { "gdb", NULL, NULL, NULL };
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if (!prg_name)
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return;
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sprintf (buf, "%u", (guint) getpid ());
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args[1] = (gchar*) prg_name;
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args[2] = buf;
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pid = fork ();
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if (pid == 0)
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{
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stack_trace (args);
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_exit (0);
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}
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else if (pid == (pid_t) -1)
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{
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perror ("unable to fork gdb");
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return;
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}
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while (glib_on_error_halt)
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;
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glib_on_error_halt = TRUE;
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#else
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abort ();
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#endif
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}
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static gboolean stack_trace_done = FALSE;
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static void
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stack_trace_sigchld (int signum)
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{
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stack_trace_done = TRUE;
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}
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static void
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stack_trace (char **args)
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{
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#ifndef NATIVE_WIN32
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pid_t pid;
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int in_fd[2];
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int out_fd[2];
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SELECT_MASK fdset;
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SELECT_MASK readset;
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struct timeval tv;
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int sel, index, state;
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char buffer[256];
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char c;
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stack_trace_done = FALSE;
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signal (SIGCHLD, stack_trace_sigchld);
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if ((pipe (in_fd) == -1) || (pipe (out_fd) == -1))
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{
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perror ("unable to open pipe");
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_exit (0);
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}
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pid = fork ();
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if (pid == 0)
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{
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close (0); dup (in_fd[0]); /* set the stdin to the in pipe */
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close (1); dup (out_fd[1]); /* set the stdout to the out pipe */
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close (2); dup (out_fd[1]); /* set the stderr to the out pipe */
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execvp (args[0], args); /* exec gdb */
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perror ("exec failed");
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_exit (0);
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}
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else if (pid == (pid_t) -1)
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{
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perror ("unable to fork");
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_exit (0);
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}
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FD_ZERO (&fdset);
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FD_SET (out_fd[0], &fdset);
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write (in_fd[1], "backtrace\n", 10);
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write (in_fd[1], "p x = 0\n", 8);
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write (in_fd[1], "quit\n", 5);
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index = 0;
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state = 0;
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while (1)
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{
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readset = fdset;
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tv.tv_sec = 1;
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tv.tv_usec = 0;
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sel = select (FD_SETSIZE, &readset, NULL, NULL, &tv);
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if (sel == -1)
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break;
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if ((sel > 0) && (FD_ISSET (out_fd[0], &readset)))
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{
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if (read (out_fd[0], &c, 1))
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{
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switch (state)
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{
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case 0:
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if (c == '#')
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{
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state = 1;
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index = 0;
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buffer[index++] = c;
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}
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break;
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case 1:
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buffer[index++] = c;
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if ((c == '\n') || (c == '\r'))
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{
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buffer[index] = 0;
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fprintf (stdout, "%s", buffer);
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state = 0;
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index = 0;
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}
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break;
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default:
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break;
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}
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}
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}
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else if (stack_trace_done)
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break;
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}
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close (in_fd[0]);
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close (in_fd[1]);
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close (out_fd[0]);
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close (out_fd[1]);
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_exit (0);
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#else
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abort ();
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#endif
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}
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@ -1,293 +0,0 @@
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/* GLIB - Library of useful routines for C programming
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* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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*
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* This library is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Library General Public
|
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* License as published by the Free Software Foundation; either
|
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* version 2 of the License, or (at your option) any later version.
|
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*
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* This library is distributed in the hope that it will be useful,
|
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
|
||||
*
|
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* You should have received a copy of the GNU Library General Public
|
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* License along with this library; if not, write to the
|
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
||||
* Boston, MA 02111-1307, USA.
|
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*/
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/*
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* Modified by the GLib Team and others 1997-1999. See the AUTHORS
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* file for a list of people on the GLib Team. See the ChangeLog
|
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* files for a list of changes. These files are distributed with
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* GLib at ftp://ftp.gtk.org/pub/gtk/.
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*/
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/*
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* MT safe ; except for g_on_error_stack_trace, but who wants thread safety
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* then
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <signal.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include "glib.h"
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#ifdef HAVE_SYS_TIME_H
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#include <sys/time.h>
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#endif
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#ifdef HAVE_SYS_TIMES_H
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#include <sys/times.h>
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#endif
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#include <sys/types.h>
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#include <time.h>
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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||||
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#ifdef HAVE_SYS_SELECT_H
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#include <sys/select.h>
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#endif /* HAVE_SYS_SELECT_H */
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||||
|
||||
#ifdef STDC_HEADERS
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#include <string.h> /* for bzero on BSD systems */
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||||
#endif
|
||||
|
||||
#ifdef _MSC_VER
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||||
#include <process.h> /* For _getpid() */
|
||||
#endif
|
||||
|
||||
#ifndef NO_FD_SET
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||||
# define SELECT_MASK fd_set
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||||
#else
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# ifndef _AIX
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typedef long fd_mask;
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# endif
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# if defined(_IBMR2)
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# define SELECT_MASK void
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# else
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# define SELECT_MASK int
|
||||
# endif
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||||
#endif
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||||
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static void stack_trace (char **args);
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extern volatile gboolean glib_on_error_halt;
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volatile gboolean glib_on_error_halt = TRUE;
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|
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void
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g_on_error_query (const gchar *prg_name)
|
||||
{
|
||||
static const gchar *query1 = "[E]xit, [H]alt";
|
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static const gchar *query2 = ", show [S]tack trace";
|
||||
static const gchar *query3 = " or [P]roceed";
|
||||
gchar buf[16];
|
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|
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if (!prg_name)
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prg_name = g_get_prgname ();
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retry:
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|
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if (prg_name)
|
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fprintf (stdout,
|
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"%s (pid:%u): %s%s%s: ",
|
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prg_name,
|
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(guint) getpid (),
|
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query1,
|
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query2,
|
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query3);
|
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else
|
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fprintf (stdout,
|
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"(process:%u): %s%s: ",
|
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(guint) getpid (),
|
||||
query1,
|
||||
query3);
|
||||
fflush (stdout);
|
||||
|
||||
#ifndef NATIVE_WIN32
|
||||
if (isatty(0) && isatty(1))
|
||||
fgets (buf, 8, stdin);
|
||||
else
|
||||
strcpy (buf, "E\n");
|
||||
#else
|
||||
fgets (buf, 8, stdin);
|
||||
#endif
|
||||
|
||||
if ((buf[0] == 'E' || buf[0] == 'e')
|
||||
&& buf[1] == '\n')
|
||||
_exit (0);
|
||||
else if ((buf[0] == 'P' || buf[0] == 'p')
|
||||
&& buf[1] == '\n')
|
||||
return;
|
||||
else if (prg_name
|
||||
&& (buf[0] == 'S' || buf[0] == 's')
|
||||
&& buf[1] == '\n')
|
||||
{
|
||||
g_on_error_stack_trace (prg_name);
|
||||
goto retry;
|
||||
}
|
||||
else if ((buf[0] == 'H' || buf[0] == 'h')
|
||||
&& buf[1] == '\n')
|
||||
{
|
||||
while (glib_on_error_halt)
|
||||
;
|
||||
glib_on_error_halt = TRUE;
|
||||
return;
|
||||
}
|
||||
else
|
||||
goto retry;
|
||||
}
|
||||
|
||||
void
|
||||
g_on_error_stack_trace (const gchar *prg_name)
|
||||
{
|
||||
#ifndef NATIVE_WIN32
|
||||
pid_t pid;
|
||||
gchar buf[16];
|
||||
gchar *args[4] = { "gdb", NULL, NULL, NULL };
|
||||
|
||||
if (!prg_name)
|
||||
return;
|
||||
|
||||
sprintf (buf, "%u", (guint) getpid ());
|
||||
|
||||
args[1] = (gchar*) prg_name;
|
||||
args[2] = buf;
|
||||
|
||||
pid = fork ();
|
||||
if (pid == 0)
|
||||
{
|
||||
stack_trace (args);
|
||||
_exit (0);
|
||||
}
|
||||
else if (pid == (pid_t) -1)
|
||||
{
|
||||
perror ("unable to fork gdb");
|
||||
return;
|
||||
}
|
||||
|
||||
while (glib_on_error_halt)
|
||||
;
|
||||
glib_on_error_halt = TRUE;
|
||||
#else
|
||||
abort ();
|
||||
#endif
|
||||
}
|
||||
|
||||
static gboolean stack_trace_done = FALSE;
|
||||
|
||||
static void
|
||||
stack_trace_sigchld (int signum)
|
||||
{
|
||||
stack_trace_done = TRUE;
|
||||
}
|
||||
|
||||
static void
|
||||
stack_trace (char **args)
|
||||
{
|
||||
#ifndef NATIVE_WIN32
|
||||
pid_t pid;
|
||||
int in_fd[2];
|
||||
int out_fd[2];
|
||||
SELECT_MASK fdset;
|
||||
SELECT_MASK readset;
|
||||
struct timeval tv;
|
||||
int sel, index, state;
|
||||
char buffer[256];
|
||||
char c;
|
||||
|
||||
stack_trace_done = FALSE;
|
||||
signal (SIGCHLD, stack_trace_sigchld);
|
||||
|
||||
if ((pipe (in_fd) == -1) || (pipe (out_fd) == -1))
|
||||
{
|
||||
perror ("unable to open pipe");
|
||||
_exit (0);
|
||||
}
|
||||
|
||||
pid = fork ();
|
||||
if (pid == 0)
|
||||
{
|
||||
close (0); dup (in_fd[0]); /* set the stdin to the in pipe */
|
||||
close (1); dup (out_fd[1]); /* set the stdout to the out pipe */
|
||||
close (2); dup (out_fd[1]); /* set the stderr to the out pipe */
|
||||
|
||||
execvp (args[0], args); /* exec gdb */
|
||||
perror ("exec failed");
|
||||
_exit (0);
|
||||
}
|
||||
else if (pid == (pid_t) -1)
|
||||
{
|
||||
perror ("unable to fork");
|
||||
_exit (0);
|
||||
}
|
||||
|
||||
FD_ZERO (&fdset);
|
||||
FD_SET (out_fd[0], &fdset);
|
||||
|
||||
write (in_fd[1], "backtrace\n", 10);
|
||||
write (in_fd[1], "p x = 0\n", 8);
|
||||
write (in_fd[1], "quit\n", 5);
|
||||
|
||||
index = 0;
|
||||
state = 0;
|
||||
|
||||
while (1)
|
||||
{
|
||||
readset = fdset;
|
||||
tv.tv_sec = 1;
|
||||
tv.tv_usec = 0;
|
||||
|
||||
sel = select (FD_SETSIZE, &readset, NULL, NULL, &tv);
|
||||
if (sel == -1)
|
||||
break;
|
||||
|
||||
if ((sel > 0) && (FD_ISSET (out_fd[0], &readset)))
|
||||
{
|
||||
if (read (out_fd[0], &c, 1))
|
||||
{
|
||||
switch (state)
|
||||
{
|
||||
case 0:
|
||||
if (c == '#')
|
||||
{
|
||||
state = 1;
|
||||
index = 0;
|
||||
buffer[index++] = c;
|
||||
}
|
||||
break;
|
||||
case 1:
|
||||
buffer[index++] = c;
|
||||
if ((c == '\n') || (c == '\r'))
|
||||
{
|
||||
buffer[index] = 0;
|
||||
fprintf (stdout, "%s", buffer);
|
||||
state = 0;
|
||||
index = 0;
|
||||
}
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
else if (stack_trace_done)
|
||||
break;
|
||||
}
|
||||
|
||||
close (in_fd[0]);
|
||||
close (in_fd[1]);
|
||||
close (out_fd[0]);
|
||||
close (out_fd[1]);
|
||||
_exit (0);
|
||||
#else
|
||||
abort ();
|
||||
#endif
|
||||
}
|
||||
Loading…
x
Reference in New Issue
Block a user