mirror of
https://github.com/ntop/ntopng.git
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58 lines
1.7 KiB
C++
58 lines
1.7 KiB
C++
/*
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*
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* (C) 2013-25 - ntop.org
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*
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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*/
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#ifndef _MUTEX_H_
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#define _MUTEX_H_
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#include "ntop_includes.h"
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/* #define MUTEX_DEBUG 1 */
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/* ******************************* */
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class Mutex {
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private:
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pthread_mutex_t the_mutex;
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bool locked;
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#ifdef MUTEX_DEBUG
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char last_lock_file[64], last_unlock_file[64];
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int last_lock_line, last_unlock_line;
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u_int num_locks, num_unlocks;
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#endif
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void initialize();
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public:
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Mutex();
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~Mutex() { pthread_mutex_destroy(&the_mutex); };
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bool lock(const char *filename, const int line, bool trace_errors = true);
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bool lockTimeout(const char *filename, const int line, struct timespec *wait,
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bool trace_errors = true);
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void unlock(const char *filename, const int line, bool trace_errors = true);
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inline bool is_locked() { return (locked); };
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/* NOTE: this must be called while locked */
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inline int cond_wait(pthread_cond_t *condvar) {
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return pthread_cond_wait(condvar, &the_mutex);
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};
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};
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#endif /* _MUTEX_H_ */
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