--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/glib/libglib/src/gbacktrace.c Tue Feb 02 02:01:42 2010 +0200
@@ -0,0 +1,336 @@
+/* GLIB - Library of useful routines for C programming
+ * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
+ * Portions copyright (c) 2006 Nokia Corporation. All rights reserved.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+/*
+ * Modified by the GLib Team and others 1997-2000. See the AUTHORS
+ * file for a list of people on the GLib Team. See the ChangeLog
+ * files for a list of changes. These files are distributed with
+ * GLib at ftp://ftp.gtk.org/pub/gtk/.
+ */
+
+/*
+ * MT safe ; except for g_on_error_stack_trace, but who wants thread safety
+ * then
+ */
+
+#include "config.h"
+
+#ifndef __SYMBIAN32__
+#include <signal.h>
+#endif /* __SYMBIAN32__ */
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include "glib.h"
+#include "gprintfint.h"
+
+#ifdef HAVE_SYS_TIME_H
+#include <sys/time.h>
+#endif
+#ifdef HAVE_SYS_TIMES_H
+#include <sys/times.h>
+#endif
+#include <sys/types.h>
+#ifdef HAVE_SYS_WAIT_H
+#include <sys/wait.h>
+#endif
+
+#include <time.h>
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
+#ifdef HAVE_SYS_SELECT_H
+#include <sys/select.h>
+#endif /* HAVE_SYS_SELECT_H */
+
+#ifdef STDC_HEADERS
+#include <string.h> /* for bzero on BSD systems */
+#endif
+
+#ifdef G_OS_WIN32
+# define STRICT /* Strict typing, please */
+# define _WIN32_WINDOWS 0x0401 /* to get IsDebuggerPresent */
+# include <windows.h>
+# undef STRICT
+#endif
+
+#ifndef NO_FD_SET
+# define SELECT_MASK fd_set
+#else
+# if defined(_IBMR2)
+# define SELECT_MASK void
+# else
+# define SELECT_MASK int
+# endif
+#endif
+
+#include "galias.h"
+
+#ifdef __SYMBIAN32__
+#include <glib_wsd.h>
+#endif /* __SYMBIAN32__ */
+
+
+#if !defined(G_OS_WIN32) && !defined(__SYMBIAN32__)
+static void stack_trace (char **args);
+#endif
+
+#if EMULATOR
+
+PLS(glib_on_error_halt,gbacktrace,volatile gboolean)
+#define glib_on_error_halt (*FUNCTION_NAME(glib_on_error_halt ,gbacktrace)())
+
+#else
+
+extern volatile gboolean glib_on_error_halt;
+volatile gboolean glib_on_error_halt = TRUE;
+
+#endif /* EMULATOR */
+
+#ifdef __SYMBIAN32__
+EXPORT_C volatile gboolean *_glib_on_error_halt()
+{
+ return &glib_on_error_halt;
+}
+#endif /* __SYMBIAN32__ */
+
+EXPORT_C void
+g_on_error_query (const gchar *prg_name)
+{
+#ifndef G_OS_WIN32
+ static const gchar * const query1 = "[E]xit, [H]alt";
+ static const gchar * const query2 = ", show [S]tack trace";
+ static const gchar * const query3 = " or [P]roceed";
+ gchar buf[16];
+
+ if (!prg_name)
+ prg_name = g_get_prgname ();
+
+ retry:
+
+ if (prg_name)
+ _g_fprintf (stdout,
+ "%s (pid:%u): %s%s%s: ",
+ prg_name,
+ (guint) getpid (),
+ query1,
+ query2,
+ query3);
+ else
+ _g_fprintf (stdout,
+ "(process:%u): %s%s: ",
+ (guint) getpid (),
+ query1,
+ query3);
+ fflush (stdout);
+
+ if (isatty(0) && isatty(1))
+ fgets (buf, 8, stdin);
+ else
+ strcpy (buf, "E\n");
+
+ 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;
+#else
+ if (!prg_name)
+ prg_name = g_get_prgname ();
+
+ MessageBox (NULL, "g_on_error_query called, program terminating",
+ (prg_name && *prg_name) ? prg_name : NULL,
+ MB_OK|MB_ICONERROR);
+ _exit(0);
+#endif
+}
+
+EXPORT_C void
+g_on_error_stack_trace (const gchar *prg_name)
+{
+#if (defined(G_OS_UNIX) || defined(G_OS_BEOS)) && !defined(__SYMBIAN32__)
+ pid_t pid;
+ gchar buf[16];
+ gchar *args[4] = { "gdb", NULL, NULL, NULL };
+ int status;
+
+ if (!prg_name)
+ return;
+
+ _g_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;
+ }
+
+ waitpid (pid, &status, 0);
+#elif defined(__SYMBIAN32__)
+ abort();
+#else
+ if (IsDebuggerPresent ())
+ G_BREAKPOINT ();
+ else
+ abort ();
+#endif
+}
+
+#if !defined G_OS_WIN32 && !defined __SYMBIAN32__
+
+static gboolean stack_trace_done = FALSE;
+
+static void
+stack_trace_sigchld (int signum)
+{
+ stack_trace_done = TRUE;
+}
+
+static void
+stack_trace (char **args)
+{
+ 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;
+ _g_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);
+}
+
+#endif /* !G_OS_WIN32 */
+
+#define __G_BACKTRACE_C__
+#include "galiasdef.c"