mirror of
https://github.com/ntop/ntopng.git
synced 2026-05-21 10:09:13 +00:00
95 lines
2.5 KiB
C++
95 lines
2.5 KiB
C++
/*
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*
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* (C) 2013-19 - 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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#include "ntop_includes.h"
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/* ******************************* */
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Mutex::Mutex() {
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pthread_mutex_init(&the_mutex, NULL);
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locked = false;
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#ifdef MUTEX_DEBUG
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num_locks = num_unlocks = 0;
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last_lock_file[0] = '\0', last_unlock_file[0] = '\0';
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last_lock_line = last_unlock_line = 0;
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#endif
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}
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/* ******************************* */
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void Mutex::lock(const char *filename, const int line, bool trace_errors) {
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int rc;
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errno = 0;
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rc = pthread_mutex_lock(&the_mutex);
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if(rc != 0) {
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if(trace_errors)
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ntop->getTrace()->traceEvent(TRACE_WARNING,
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"pthread_mutex_lock() returned %d [%s][errno=%d]",
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rc, strerror(rc), errno);
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} else
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locked = true;
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#ifdef MUTEX_DEBUG
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snprintf(last_lock_file, sizeof(last_lock_file), "%s", filename);
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last_lock_line = line, num_locks++;
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// ntop->getTrace()->traceEvent(TRACE_NORMAL, "%s(%p)", __FUNCTION__, this);
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#endif
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}
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/* ******************************* */
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void Mutex::unlock(const char *filename, const int line, bool trace_errors) {
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int rc;
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errno = 0;
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rc = pthread_mutex_unlock(&the_mutex);
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if(rc != 0) {
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if(trace_errors)
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ntop->getTrace()->traceEvent(TRACE_WARNING,
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"pthread_mutex_unlock() returned %d [%s][errno=%d]",
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rc, strerror(rc), errno);
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}
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locked = false; /* Always unlock */
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#ifdef MUTEX_DEBUG
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snprintf(last_unlock_file, sizeof(last_unlock_file), "%s", filename);
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last_unlock_line = line, num_unlocks++;
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// ntop->getTrace()->traceEvent(TRACE_NORMAL, "%s(%p)", __FUNCTION__, this);
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#endif
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}
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/* ******************************* */
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/*
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#ifdef WIN32
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static int pthread_mutex_lock(pthread_mutex_t *mutex) {
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return WaitForSingleObject(*mutex, INFINITE) == WAIT_OBJECT_0? 0 : -1;
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}
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static int pthread_mutex_unlock(pthread_mutex_t *mutex) {
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return ReleaseMutex(*mutex) == 0 ? -1 : 0;
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}
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#endif
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*/
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