Adding upstream version 43.2.upstream/43.2upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 105 insertions, 0 deletions

diff --git a/eel/eel-debug.c b/eel/eel-debug.c
new file mode 100644
index 0000000..f3d94ec
--- /dev/null
+++ b/eel/eel-debug.c
@@ -0,0 +1,105 @@
+/*
+ *  eel-debug.c: Eel debugging aids.
+ *
+ *  Copyright (C) 2000, 2001 Eazel, Inc.
+ *
+ *  This program is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Library General Public License as
+ *  published by the Free Software Foundation; either version 2 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
+ *  Library General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Library General Public
+ *  License along with this program; if not, see <http://www.gnu.org/licenses/>.
+ *
+ *  Author: Darin Adler <darin@eazel.com>
+ */
+
+#include <config.h>
+#include "eel-debug.h"
+
+#include <glib.h>
+#include <signal.h>
+#include <stdio.h>
+
+typedef struct
+{
+    gpointer data;
+    GFreeFunc function;
+} ShutdownFunction;
+
+static GList *shutdown_functions;
+
+/* Raise a SIGINT signal to get the attention of the debugger.
+ * When not running under the debugger, we don't want to stop,
+ * so we ignore the signal for just the moment that we raise it.
+ */
+static void
+eel_stop_in_debugger (void)
+{
+    void (*saved_handler) (int);
+
+    saved_handler = signal (SIGINT, SIG_IGN);
+    raise (SIGINT);
+    signal (SIGINT, saved_handler);
+}
+
+/* Stop in the debugger after running the default log handler.
+ * This makes certain kinds of messages stop in the debugger
+ * without making them fatal (you can continue).
+ */
+static void
+log_handler (const char     *domain,
+             GLogLevelFlags  level,
+             const char     *message,
+             gpointer        data)
+{
+    g_log_default_handler (domain, level, message, data);
+    if ((level & (G_LOG_LEVEL_CRITICAL | G_LOG_LEVEL_WARNING)) != 0)
+    {
+        eel_stop_in_debugger ();
+    }
+}
+
+void
+eel_make_warnings_and_criticals_stop_in_debugger (void)
+{
+    g_log_set_default_handler (log_handler, NULL);
+}
+
+void
+eel_debug_shut_down (void)
+{
+    ShutdownFunction *f;
+
+    while (shutdown_functions != NULL)
+    {
+        f = shutdown_functions->data;
+        shutdown_functions = g_list_remove (shutdown_functions, f);
+
+        f->function (f->data);
+        g_free (f);
+    }
+}
+
+void
+eel_debug_call_at_shutdown (EelFunction function)
+{
+    eel_debug_call_at_shutdown_with_data ((GFreeFunc) function, NULL);
+}
+
+void
+eel_debug_call_at_shutdown_with_data (GFreeFunc function,
+                                      gpointer  data)
+{
+    ShutdownFunction *f;
+
+    f = g_new (ShutdownFunction, 1);
+    f->data = data;
+    f->function = function;
+    shutdown_functions = g_list_prepend (shutdown_functions, f);
+}