2 Copyright (C) 2000-2007 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #ifndef __libpbd_stacktrace_h__
21 #define __libpbd_stacktrace_h__
24 #include "libpbd-config.h"
29 #include <glibmm/threads.h>
38 void stacktrace (std::ostream& out, int levels = 0);
42 class thing_with_backtrace
45 thing_with_backtrace () {
48 allocation_backtrace = new void*[50];
49 allocation_backtrace_size = backtrace (allocation_backtrace, 50);
51 allocation_backtrace_size = 0;
53 Glib::Threads::Mutex::Lock lm (all_mutex);
57 thing_with_backtrace (const thing_with_backtrace<T>& other) {
60 allocation_backtrace = new void*[50];
61 allocation_backtrace_size = backtrace (allocation_backtrace, 50);
63 allocation_backtrace_size = 0;
65 Glib::Threads::Mutex::Lock lm (all_mutex);
69 ~thing_with_backtrace() {
70 if (allocation_backtrace_size) {
71 delete [] allocation_backtrace;
73 Glib::Threads::Mutex::Lock lm (all_mutex);
77 thing_with_backtrace<T>& operator= (const thing_with_backtrace<T>& other) {
78 /* no copyable members */
82 static void peek_a_boo (std::ostream& stream) {
84 typename std::list<thing_with_backtrace<T>*>::iterator x;
85 for (x = all.begin(); x != all.end(); ++x) {
89 strings = backtrace_symbols ((*x)->allocation_backtrace, (*x)->allocation_backtrace_size);
92 stream << "--- ALLOCATED SHARED_PTR @ " << (*x) << std::endl;
93 for (i = 0; i < (*x)->allocation_backtrace_size && i < 50U; i++) {
94 stream << strings[i] << std::endl;
100 stream << "execinfo not defined for this platform" << std::endl;
105 void** allocation_backtrace;
106 int allocation_backtrace_size;
107 static std::list<thing_with_backtrace<T>* > all;
108 static Glib::Threads::Mutex all_mutex;
111 template<typename T> std::list<PBD::thing_with_backtrace<T> *> PBD::thing_with_backtrace<T>::all;
112 template<typename T> Glib::Threads::Mutex PBD::thing_with_backtrace<T>::all_mutex;
118 #endif /* __libpbd_stacktrace_h__ */