* 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/.
+ * GLib at ftp://ftp.gtk.org/pub/gtk/.
*/
-/*
- * MT safe ; except for g_on_error_stack_trace, but who wants thread safety
+/*
+ * MT safe ; except for g_on_error_stack_trace, but who wants thread safety
* then
*/
#include "config.h"
+#include "glibconfig.h"
#include <signal.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
-#include "glib.h"
-#include "gprintfint.h"
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#include <string.h> /* for bzero on BSD systems */
#ifdef G_OS_WIN32
-# define STRICT /* Strict typing, please */
+# define STRICT /* Strict typing, please */
# define _WIN32_WINDOWS 0x0401 /* to get IsDebuggerPresent */
# include <windows.h>
# undef STRICT
#endif
+#include "gbacktrace.h"
+
+#include "gtypes.h"
+#include "gmain.h"
+#include "gprintfint.h"
+#include "gutils.h"
+
+
#ifndef NO_FD_SET
# define SELECT_MASK fd_set
#else
# endif
#endif
-#include "galias.h"
#ifndef G_OS_WIN32
static void stack_trace (char **args);
extern volatile gboolean glib_on_error_halt;
volatile gboolean glib_on_error_halt = TRUE;
+/**
+ * g_on_error_query:
+ * @prg_name: the program name, needed by <command>gdb</command>
+ * for the [S]tack trace option. If @prg_name is %NULL, g_get_prgname()
+ * is called to get the program name (which will work correctly if
+ * gdk_init() or gtk_init() has been called)
+ *
+ * Prompts the user with
+ * <computeroutput>[E]xit, [H]alt, show [S]tack trace or [P]roceed</computeroutput>.
+ * This function is intended to be used for debugging use only.
+ * The following example shows how it can be used together with
+ * the g_log() functions.
+ *
+ * |[
+ * #include <glib.h>
+ *
+ * static void
+ * log_handler (const gchar *log_domain,
+ * GLogLevelFlags log_level,
+ * const gchar *message,
+ * gpointer user_data)
+ * {
+ * g_log_default_handler (log_domain, log_level, message, user_data);
+ *
+ * g_on_error_query (MY_PROGRAM_NAME);
+ * }
+ *
+ * int
+ * main (int argc, char *argv[])
+ * {
+ * g_log_set_handler (MY_LOG_DOMAIN,
+ * G_LOG_LEVEL_WARNING |
+ * G_LOG_LEVEL_ERROR |
+ * G_LOG_LEVEL_CRITICAL,
+ * log_handler,
+ * NULL);
+ * /* ... */
+ * ]|
+ *
+ * If [E]xit is selected, the application terminates with a call
+ * to <literal>_exit(0)</literal>.
+ *
+ * If [S]tack trace is selected, g_on_error_stack_trace() is called.
+ * This invokes <command>gdb</command>, which attaches to the current
+ * process and shows a stack trace. The prompt is then shown again.
+ *
+ * If [P]roceed is selected, the function returns.
+ *
+ * This function may cause different actions on non-UNIX platforms.
+ */
void
g_on_error_query (const gchar *prg_name)
{
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);
+ "%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);
+ "(process:%u): %s%s: ",
+ (guint) getpid (),
+ query1,
+ query3);
fflush (stdout);
-
+
if (isatty(0) && isatty(1))
- fgets (buf, 8, stdin);
+ fgets (buf, 8, stdin);
else
strcpy (buf, "E\n");
&& buf[1] == '\n')
_exit (0);
else if ((buf[0] == 'P' || buf[0] == 'p')
- && buf[1] == '\n')
+ && buf[1] == '\n')
return;
else if (prg_name
- && (buf[0] == 'S' || buf[0] == 's')
- && buf[1] == '\n')
+ && (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')
+ && buf[1] == '\n')
{
while (glib_on_error_halt)
- ;
+ ;
glib_on_error_halt = TRUE;
return;
}
#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);
+ (prg_name && *prg_name) ? prg_name : NULL,
+ MB_OK|MB_ICONERROR);
_exit(0);
#endif
}
+/**
+ * g_on_error_stack_trace:
+ * @prg_name: the program name, needed by <command>gdb</command>
+ * for the [S]tack trace option.
+ *
+ * Invokes <command>gdb</command>, which attaches to the current
+ * process and shows a stack trace. Called by g_on_error_query()
+ * when the [S]tack trace option is selected. You can get the current
+ * process's "program name" with g_get_prgname(), assuming that you
+ * have called gtk_init() or gdk_init().
+ *
+ * This function may cause different actions on non-UNIX platforms.
+ */
void
g_on_error_stack_trace (const gchar *prg_name)
{
}
#endif /* !G_OS_WIN32 */
-
-#define __G_BACKTRACE_C__
-#include "galiasdef.c"
projects / platform / upstream / glib2.0.git / blobdiff