separated backtrace functionality from leak_detective, used in

leak_detective
	mutex profiling
	signal handler

src/libstrongswan/utils/backtrace.h

@@ -0,0 +1,63 @@
+/*
+ * Copyright (C) 2008 Martin Willi
+ * Hochschule fuer Technik Rapperswil
+ *
+ * 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 2 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * 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.
+ */
+
+/**
+ * @defgroup backtrace backtrace
+ * @{ @ingroup utils
+ */
+
+#ifndef BACKTRACE_H_
+#define BACKTRACE_H_
+
+#include <stdio.h>
+
+#include <library.h>
+
+typedef struct backtrace_t backtrace_t;
+
+/**
+ * A backtrace registers the frames on the stack during creation.
+ */
+struct backtrace_t {
+	
+	/**
+	 * Log the backtrace to a FILE stream.
+	 */
+	void (*log)(backtrace_t *this, FILE *file);
+	
+	/**
+	 * Check if the backtrace contains a frame in a specific function.
+	 *
+	 * @param		function name
+	 * @return		TRUE if function is in the stack
+	 */
+	bool (*contains_function)(backtrace_t *this, char *function);
+	
+	/**
+	 * Destroy a backtrace instance.
+	 */
+	void (*destroy)(backtrace_t *this);
+};
+
+/**
+ * Create a backtrace of the current stack.
+ *
+ * @param skip		how many of the innerst frames to skip
+ * @return			backtrace
+ */
+backtrace_t *backtrace_create(int skip);
+
+#endif /* BACKTRACE_H_ @}*/
+