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authorMichal Kubecek <mkubecek@suse.cz>2015-04-13 09:21:39 +0200
committerMichal Kubecek <mkubecek@suse.cz>2015-04-13 09:21:39 +0200
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initial checkin
Check in contents of upstream 1.4.2 tarball, exclude generated files.
Diffstat (limited to 'src/audits/memman.h')
-rw-r--r--src/audits/memman.h87
1 files changed, 87 insertions, 0 deletions
diff --git a/src/audits/memman.h b/src/audits/memman.h
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+/*
+ Copyright (C) 2005-2009 Michel de Boer <michel@twinklephone.com>
+
+ 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.
+
+ 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, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+*/
+
+#ifndef _MEMMAN_H
+#define _MEMMAN_H
+
+#include <string>
+#include <map>
+#include "threads/mutex.h"
+
+#define MEMMAN_NEW(ptr) memman->trc_new((ptr), __FILE__, __LINE__)
+#define MEMMAN_NEW_ARRAY(ptr) memman->trc_new((ptr), __FILE__, __LINE__, true)
+#define MEMMAN_DELETE(ptr) memman->trc_delete((ptr), __FILE__, __LINE__)
+#define MEMMAN_DELETE_ARRAY(ptr) memman->trc_delete((ptr), __FILE__, __LINE__, true)
+#define MEMMAN_REPORT { memman->report_stats(); memman->report_leaks(); }
+
+using namespace std;
+
+// Memory manager
+// Trace memory allocations and deallocations
+
+class t_ptr_info {
+public:
+ // Src file from which pointer has been allocated
+ string filename;
+
+ // Line number of memman trace command tracing this pointer
+ int lineno;
+
+ // Indicates if the pointer points to an array
+ bool is_array;
+
+ t_ptr_info() {};
+ t_ptr_info(const string &_filename, int _lineno, bool _is_array);
+};
+
+class t_memman {
+private:
+ // Map of allocated pointers
+ map<void *, t_ptr_info> pointer_map;
+
+ // Statistics
+ unsigned long num_new; // number of new's
+ unsigned long num_new_duplicate; // number of duplicate new's
+ unsigned long num_delete; // number of delete's
+ unsigned long num_delete_mismatch; // number of delete's for without a new
+ unsigned long num_array_mixing; // number of array/non-array mixes
+
+ // Mutex to protect operations on the memory manager
+ t_mutex mtx_memman;
+
+public:
+ t_memman();
+
+ // Report pointer allocation
+ void trc_new(void *p, const string &filename, int lineno,
+ bool is_array = false);
+
+ // Report pointer deallocation
+ void trc_delete(void *p, const string &filename, int lineno,
+ bool is_array = false);
+
+ // Write a memory leak report to log
+ void report_leaks(void);
+
+ // Write statistics to log
+ void report_stats(void);
+};
+
+extern t_memman *memman;
+
+#endif