1 files changed, 135 insertions, 0 deletions
diff --git a/eel/eel-debug.c b/eel/eel-debug.c
new file mode 100644
index 00000000..e651baed
--- /dev/null
+++ b/eel/eel-debug.c
@@ -0,0 +1,135 @@
+/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*-
+
+ 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, write to the
+ Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA.
+
+ Author: Darin Adler <[email protected]>
+*/
+
+#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.
+ */
+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);
+}
+
+int
+eel_get_available_file_descriptor_count (void)
+{
+ int count;
+ GList *list;
+ GList *p;
+ FILE *file;
+
+ list = NULL;
+ for (count = 0; ; count++)
+ {
+ file = fopen ("/dev/null", "r");
+ if (file == NULL)
+ {
+ break;
+ }
+ list = g_list_prepend (list, file);
+ }
+
+ for (p = list; p != NULL; p = p->next)
+ {
+ fclose (p->data);
+ }
+ g_list_free (list);
+
+ return count;
+}
+
+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);
+}