mirror of
https://gitlab.gnome.org/GNOME/gimp.git
synced 2025-07-04 09:53:25 +00:00
d916fedf92
As previously explained, this was the next and logical step after debugging. At the very end, just before exiting the process, let's attempt to save all unsaved (i.e. "dirty") images. Of course we try to do so as backup files in the config directory (once again, this would be better under $XDG_CACHE_HOME/GIMP/ though) because we must not touch the originals. Currently we only have some automatic saving, but we don't warn yet that backups were made. Also we don't keep track of the original paths for later recovery hints. Proposed recovery would be worth being done at next start of GIMP when we detect files in the backup directory (with a typical "What should we do with these?" dialog). Also it is to be noted that it is not a 100%-sure system. While testing various test cases, I had many cases where the images were successfully saved, but others when the backup failed (in particular when playing with double freeing). I'm not sure if this is because of some memory allocation during XCF saving or some other issue which could be improved later (hopefully).
429 lines
13 KiB
C
429 lines
13 KiB
C
/* GIMP - The GNU Image Manipulation Program
|
|
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
|
|
*
|
|
* 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 3 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, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#define _GNU_SOURCE /* need the POSIX signal API */
|
|
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#ifdef HAVE_UNISTD_H
|
|
#include <unistd.h>
|
|
#endif
|
|
|
|
#include <gio/gio.h>
|
|
#include <glib/gstdio.h>
|
|
|
|
#include <gdk-pixbuf/gdk-pixbuf.h>
|
|
#include <gegl.h>
|
|
|
|
#include "libgimpbase/gimpbase.h"
|
|
|
|
#include "core/core-types.h"
|
|
|
|
#include "core/gimp.h"
|
|
#include "core/gimpdrawable.h"
|
|
#include "core/gimpimage.h"
|
|
#include "core/gimpitem.h"
|
|
#include "core/gimpparamspecs.h"
|
|
|
|
#include "pdb/gimppdb.h"
|
|
|
|
#include "errors.h"
|
|
|
|
#ifdef G_OS_WIN32
|
|
#include <windows.h>
|
|
#endif
|
|
|
|
/* private variables */
|
|
|
|
static Gimp *the_errors_gimp = NULL;
|
|
static gboolean use_debug_handler = FALSE;
|
|
static GimpStackTraceMode stack_trace_mode = GIMP_STACK_TRACE_QUERY;
|
|
static gchar *full_prog_name = NULL;
|
|
static gchar *backtrace_file = NULL;
|
|
static gchar *backup_path = NULL;
|
|
|
|
|
|
/* local function prototypes */
|
|
|
|
static void gimp_message_log_func (const gchar *log_domain,
|
|
GLogLevelFlags flags,
|
|
const gchar *message,
|
|
gpointer data);
|
|
static void gimp_error_log_func (const gchar *domain,
|
|
GLogLevelFlags flags,
|
|
const gchar *message,
|
|
gpointer data) G_GNUC_NORETURN;
|
|
|
|
static G_GNUC_NORETURN void gimp_eek (const gchar *reason,
|
|
const gchar *message,
|
|
gboolean use_handler);
|
|
|
|
|
|
/* public functions */
|
|
|
|
void
|
|
errors_init (Gimp *gimp,
|
|
const gchar *_full_prog_name,
|
|
gboolean _use_debug_handler,
|
|
GimpStackTraceMode _stack_trace_mode,
|
|
const gchar *_backtrace_file)
|
|
{
|
|
const gchar * const log_domains[] =
|
|
{
|
|
"Gimp",
|
|
"Gimp-Actions",
|
|
"Gimp-Base",
|
|
"Gimp-Composite",
|
|
"Gimp-Config",
|
|
"Gimp-Core",
|
|
"Gimp-Dialogs",
|
|
"Gimp-Display",
|
|
"Gimp-File",
|
|
"Gimp-GEGL",
|
|
"Gimp-GUI",
|
|
"Gimp-Menus",
|
|
"Gimp-Operations",
|
|
"Gimp-PDB",
|
|
"Gimp-Paint",
|
|
"Gimp-Paint-Funcs",
|
|
"Gimp-Plug-In",
|
|
"Gimp-Text",
|
|
"Gimp-Tools",
|
|
"Gimp-Vectors",
|
|
"Gimp-Widgets",
|
|
"Gimp-XCF",
|
|
"LibGimpBase",
|
|
"LibGimpColor",
|
|
"LibGimpConfig",
|
|
"LibGimpMath",
|
|
"LibGimpModule",
|
|
"LibGimpThumb",
|
|
"LibGimpWidgets"
|
|
};
|
|
gint i;
|
|
|
|
g_return_if_fail (GIMP_IS_GIMP (gimp));
|
|
g_return_if_fail (_full_prog_name != NULL);
|
|
g_return_if_fail (full_prog_name == NULL);
|
|
|
|
#ifdef GIMP_UNSTABLE
|
|
g_printerr ("This is a development version of GIMP. "
|
|
"Debug messages may appear here.\n\n");
|
|
#endif /* GIMP_UNSTABLE */
|
|
|
|
the_errors_gimp = gimp;
|
|
use_debug_handler = _use_debug_handler ? TRUE : FALSE;
|
|
stack_trace_mode = _stack_trace_mode;
|
|
full_prog_name = g_strdup (_full_prog_name);
|
|
backtrace_file = g_strdup (_backtrace_file);
|
|
backup_path = g_build_filename (gimp_directory (), "backups", NULL);
|
|
|
|
g_mkdir_with_parents (backup_path, S_IRUSR | S_IWUSR | S_IXUSR);
|
|
g_free (backup_path);
|
|
backup_path = g_build_filename (gimp_directory (), "backups",
|
|
"backup-XXX.xcf", NULL);
|
|
|
|
for (i = 0; i < G_N_ELEMENTS (log_domains); i++)
|
|
g_log_set_handler (log_domains[i],
|
|
G_LOG_LEVEL_WARNING |
|
|
G_LOG_LEVEL_MESSAGE |
|
|
G_LOG_LEVEL_CRITICAL,
|
|
gimp_message_log_func, gimp);
|
|
|
|
g_log_set_handler ("GEGL",
|
|
G_LOG_LEVEL_WARNING |
|
|
G_LOG_LEVEL_MESSAGE |
|
|
G_LOG_LEVEL_CRITICAL,
|
|
gimp_message_log_func, gimp);
|
|
g_log_set_handler (NULL,
|
|
G_LOG_LEVEL_ERROR | G_LOG_FLAG_FATAL,
|
|
gimp_error_log_func, gimp);
|
|
}
|
|
|
|
void
|
|
errors_exit (void)
|
|
{
|
|
the_errors_gimp = NULL;
|
|
|
|
if (backtrace_file)
|
|
g_free (backtrace_file);
|
|
if (full_prog_name)
|
|
g_free (full_prog_name);
|
|
if (backup_path)
|
|
g_free (backup_path);
|
|
}
|
|
|
|
void
|
|
gimp_fatal_error (const gchar *message)
|
|
{
|
|
gimp_eek ("fatal error", message, TRUE);
|
|
}
|
|
|
|
void
|
|
gimp_terminate (const gchar *message)
|
|
{
|
|
gimp_eek ("terminated", message, use_debug_handler);
|
|
}
|
|
|
|
|
|
/* private functions */
|
|
|
|
static void
|
|
gimp_message_log_func (const gchar *log_domain,
|
|
GLogLevelFlags flags,
|
|
const gchar *message,
|
|
gpointer data)
|
|
{
|
|
Gimp *gimp = data;
|
|
GimpCoreConfig *config = gimp->config;
|
|
const gchar *msg_domain = NULL;
|
|
GimpMessageSeverity severity = GIMP_MESSAGE_WARNING;
|
|
GimpDebugPolicy debug_policy;
|
|
|
|
/* All GIMP messages are processed under the same domain, but
|
|
* we need to keep the log domain information for third party
|
|
* messages.
|
|
*/
|
|
if (! g_str_has_prefix (log_domain, "Gimp") &&
|
|
! g_str_has_prefix (log_domain, "LibGimp"))
|
|
msg_domain = log_domain;
|
|
|
|
/* If debug policy requires it, WARNING and CRITICAL errors must be
|
|
* routed for appropriate debugging.
|
|
*/
|
|
g_object_get (G_OBJECT (config),
|
|
"debug-policy", &debug_policy,
|
|
NULL);
|
|
|
|
switch (flags & G_LOG_LEVEL_MASK)
|
|
{
|
|
case G_LOG_LEVEL_WARNING:
|
|
if (debug_policy == GIMP_DEBUG_POLICY_WARNING)
|
|
severity = GIMP_MESSAGE_BUG_WARNING;
|
|
break;
|
|
case G_LOG_LEVEL_CRITICAL:
|
|
if (debug_policy <= GIMP_DEBUG_POLICY_CRITICAL)
|
|
severity = GIMP_MESSAGE_BUG_CRITICAL;
|
|
break;
|
|
}
|
|
|
|
if (gimp)
|
|
{
|
|
gimp_show_message (gimp, NULL, severity, msg_domain, message);
|
|
}
|
|
else
|
|
{
|
|
const gchar *reason = "Message";
|
|
|
|
gimp_enum_get_value (GIMP_TYPE_MESSAGE_SEVERITY, severity,
|
|
NULL, NULL, &reason, NULL);
|
|
|
|
g_printerr ("%s: %s-%s: %s\n",
|
|
gimp_filename_to_utf8 (full_prog_name),
|
|
log_domain, reason, message);
|
|
}
|
|
}
|
|
|
|
static void
|
|
gimp_error_log_func (const gchar *domain,
|
|
GLogLevelFlags flags,
|
|
const gchar *message,
|
|
gpointer data)
|
|
{
|
|
gimp_fatal_error (message);
|
|
}
|
|
|
|
static void
|
|
gimp_eek (const gchar *reason,
|
|
const gchar *message,
|
|
gboolean use_handler)
|
|
{
|
|
GimpCoreConfig *config = the_errors_gimp->config;
|
|
gboolean eek_handled = FALSE;
|
|
GimpDebugPolicy debug_policy;
|
|
GList *iter;
|
|
gint num_idx;
|
|
gint i = 0;
|
|
|
|
/* GIMP has 2 ways to handle termination signals and fatal errors: one
|
|
* is the stack trace mode which is set at start as command line
|
|
* option --stack-trace-mode, this won't change for the length of the
|
|
* session and outputs a trace in terminal; the other is set in
|
|
* preferences, outputs a trace in a GUI and can change anytime during
|
|
* the session.
|
|
* The GUI backtrace has priority if it is set.
|
|
*/
|
|
g_object_get (G_OBJECT (config),
|
|
"debug-policy", &debug_policy,
|
|
NULL);
|
|
|
|
/* Let's just always output on stdout at least so that there is a
|
|
* trace if the rest fails. */
|
|
g_printerr ("%s: %s: %s\n", gimp_filename_to_utf8 (full_prog_name),
|
|
reason, message);
|
|
|
|
#if ! defined (G_OS_WIN32) || defined (HAVE_EXCHNDL)
|
|
|
|
if (use_handler)
|
|
{
|
|
#ifndef GIMP_CONSOLE_COMPILATION
|
|
if (debug_policy != GIMP_DEBUG_POLICY_NEVER &&
|
|
! the_errors_gimp->no_interface)
|
|
{
|
|
FILE *fd;
|
|
gboolean has_backtrace = TRUE;
|
|
|
|
/* If GUI backtrace enabled (it is disabled by default), it
|
|
* takes precedence over the command line argument.
|
|
*/
|
|
#ifdef G_OS_WIN32
|
|
const gchar *gimpdebug = "gimp-debug-tool-" GIMP_TOOL_VERSION ".exe";
|
|
#elif defined (PLATFORM_OSX)
|
|
const gchar *gimpdebug = "gimp-debug-tool-" GIMP_TOOL_VERSION;
|
|
#else
|
|
const gchar *gimpdebug = LIBEXECDIR "/gimp-debug-tool-" GIMP_TOOL_VERSION;
|
|
#endif
|
|
gchar *args[7] = { (gchar *) gimpdebug, full_prog_name, NULL,
|
|
(gchar *) reason, (gchar *) message,
|
|
backtrace_file, NULL };
|
|
gchar pid[16];
|
|
|
|
g_snprintf (pid, 16, "%u", (guint) getpid ());
|
|
args[2] = pid;
|
|
|
|
#ifndef G_OS_WIN32
|
|
/* On Win32, the trace has already been processed by ExcHnl
|
|
* and is waiting for us in a text file.
|
|
*/
|
|
fd = g_fopen (backtrace_file, "w");
|
|
has_backtrace = gimp_print_stack_trace ((const gchar *) full_prog_name,
|
|
fd, NULL);
|
|
fclose (fd);
|
|
#endif
|
|
|
|
/* We don't care about any return value. If it fails, too
|
|
* bad, we just won't have any stack trace.
|
|
* We still need to use the sync() variant because we have
|
|
* to keep GIMP up long enough for the debugger to get its
|
|
* trace.
|
|
*/
|
|
if (has_backtrace &&
|
|
g_file_test (backtrace_file, G_FILE_TEST_IS_REGULAR) &&
|
|
g_spawn_async (NULL, args, NULL,
|
|
G_SPAWN_SEARCH_PATH | G_SPAWN_STDERR_TO_DEV_NULL | G_SPAWN_STDOUT_TO_DEV_NULL,
|
|
NULL, NULL, NULL, NULL))
|
|
eek_handled = TRUE;
|
|
}
|
|
#endif /* !GIMP_CONSOLE_COMPILATION */
|
|
|
|
#ifndef G_OS_WIN32
|
|
if (! eek_handled)
|
|
{
|
|
switch (stack_trace_mode)
|
|
{
|
|
case GIMP_STACK_TRACE_NEVER:
|
|
break;
|
|
|
|
case GIMP_STACK_TRACE_QUERY:
|
|
{
|
|
sigset_t sigset;
|
|
|
|
sigemptyset (&sigset);
|
|
sigprocmask (SIG_SETMASK, &sigset, NULL);
|
|
|
|
gimp_on_error_query ((const gchar *) full_prog_name);
|
|
}
|
|
break;
|
|
|
|
case GIMP_STACK_TRACE_ALWAYS:
|
|
{
|
|
sigset_t sigset;
|
|
|
|
sigemptyset (&sigset);
|
|
sigprocmask (SIG_SETMASK, &sigset, NULL);
|
|
|
|
gimp_print_stack_trace ((const gchar *) full_prog_name,
|
|
stdout, NULL);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
#endif /* ! G_OS_WIN32 */
|
|
}
|
|
#endif /* ! G_OS_WIN32 || HAVE_EXCHNDL */
|
|
|
|
#if defined (G_OS_WIN32) && ! defined (GIMP_CONSOLE_COMPILATION)
|
|
/* g_on_error_* don't do anything reasonable on Win32. */
|
|
if (! eek_handled && ! the_errors_gimp->no_interface)
|
|
MessageBox (NULL, g_strdup_printf ("%s: %s", reason, message),
|
|
full_prog_name, MB_OK|MB_ICONERROR);
|
|
#endif
|
|
|
|
/* Let's try to back-up all unsaved images!
|
|
* It is not 100%: when I tested with various bugs created on purpose,
|
|
* I had cases where saving failed. I am not sure if this is because
|
|
* of some memory management along the way to XCF saving or some other
|
|
* messed up state of GIMP, but this is normal not to expect too much
|
|
* during a crash.
|
|
* Nevertheless in various test cases, I had successful backups XCF of
|
|
* the work in progress. Yeah!
|
|
*/
|
|
|
|
/* The index of 'XXX' in backup_path string. */
|
|
num_idx = strlen (backup_path) - 7;
|
|
|
|
iter = gimp_get_image_iter (the_errors_gimp);
|
|
for (; iter && i < 1000; iter = iter->next)
|
|
{
|
|
GimpImage *image = iter->data;
|
|
GimpItem *item;
|
|
|
|
if (! gimp_image_is_dirty (image))
|
|
continue;
|
|
|
|
item = GIMP_ITEM (gimp_image_get_active_drawable (image));
|
|
|
|
/* This is a trick because we want to avoid any memory
|
|
* allocation when the process is abnormally terminated.
|
|
* We just assume that you'll never have more than 1000 images
|
|
* open (which is already far fetched).
|
|
*/
|
|
backup_path[num_idx + 2] = '0' + (i % 10);
|
|
backup_path[num_idx + 1] = '0' + ((i/10) % 10);
|
|
backup_path[num_idx] = '0' + ((i/100) % 10);
|
|
|
|
/* Saving. */
|
|
gimp_pdb_execute_procedure_by_name (the_errors_gimp->pdb,
|
|
gimp_get_user_context (the_errors_gimp),
|
|
NULL, NULL,
|
|
"gimp-xcf-save",
|
|
GIMP_TYPE_INT32, 0,
|
|
GIMP_TYPE_IMAGE_ID, gimp_image_get_ID (image),
|
|
GIMP_TYPE_DRAWABLE_ID, gimp_item_get_ID (item),
|
|
G_TYPE_STRING, backup_path,
|
|
G_TYPE_STRING, backup_path,
|
|
G_TYPE_NONE);
|
|
i++;
|
|
}
|
|
|
|
exit (EXIT_FAILURE);
|
|
}
|