| /* $Id$ */ |
| /* |
| * Copyright (C) 2008-2009 Teluu Inc. (http://www.teluu.com) |
| * Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org> |
| * |
| * 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 __PJPP_LOCK_HPP__ |
| #define __PJPP_LOCK_HPP__ |
| |
| #include <pj++/types.hpp> |
| #include <pj/lock.h> |
| #include <pj++/pool.hpp> |
| |
| ////////////////////////////////////////////////////////////////////////////// |
| // Lock object. |
| // |
| class Pj_Lock : public Pj_Object |
| { |
| public: |
| // |
| // Constructor. |
| // |
| explicit Pj_Lock(pj_lock_t *lock) |
| : lock_(lock) |
| { |
| } |
| |
| // |
| // Destructor. |
| // |
| ~Pj_Lock() |
| { |
| if (lock_) |
| pj_lock_destroy(lock_); |
| } |
| |
| // |
| // Get pjlib compatible lock object. |
| // |
| pj_lock_t *pj_lock_t_() |
| { |
| return lock_; |
| } |
| |
| // |
| // acquire lock. |
| // |
| pj_status_t acquire() |
| { |
| return pj_lock_acquire(lock_); |
| } |
| |
| // |
| // release lock,. |
| // |
| pj_status_t release() |
| { |
| return pj_lock_release(lock_); |
| } |
| |
| protected: |
| pj_lock_t *lock_; |
| }; |
| |
| |
| ////////////////////////////////////////////////////////////////////////////// |
| // Null lock object. |
| // |
| class Pj_Null_Lock : public Pj_Lock |
| { |
| public: |
| // |
| // Default constructor. |
| // |
| explicit Pj_Null_Lock(Pj_Pool *pool, const char *name = NULL) |
| : Pj_Lock(NULL) |
| { |
| pj_lock_create_null_mutex(pool->pool_(), name, &lock_); |
| } |
| }; |
| |
| ////////////////////////////////////////////////////////////////////////////// |
| // Simple mutex lock object. |
| // |
| class Pj_Simple_Mutex_Lock : public Pj_Lock |
| { |
| public: |
| // |
| // Default constructor. |
| // |
| explicit Pj_Simple_Mutex_Lock(Pj_Pool *pool, const char *name = NULL) |
| : Pj_Lock(NULL) |
| { |
| pj_lock_create_simple_mutex(pool->pool_(), name, &lock_); |
| } |
| }; |
| |
| ////////////////////////////////////////////////////////////////////////////// |
| // Recursive mutex lock object. |
| // |
| class Pj_Recursive_Mutex_Lock : public Pj_Lock |
| { |
| public: |
| // |
| // Default constructor. |
| // |
| explicit Pj_Recursive_Mutex_Lock(Pj_Pool *pool, const char *name = NULL) |
| : Pj_Lock(NULL) |
| { |
| pj_lock_create_recursive_mutex(pool->pool_(), name, &lock_); |
| } |
| }; |
| |
| ////////////////////////////////////////////////////////////////////////////// |
| // Semaphore lock object. |
| // |
| class Pj_Semaphore_Lock : public Pj_Lock |
| { |
| public: |
| // |
| // Default constructor. |
| // |
| explicit Pj_Semaphore_Lock(Pj_Pool *pool, |
| unsigned max=PJ_MAXINT32, |
| unsigned initial=0, |
| const char *name=NULL) |
| : Pj_Lock(NULL) |
| { |
| pj_lock_create_semaphore(pool->pool_(), name, initial, max, &lock_); |
| } |
| }; |
| |
| |
| |
| #endif /* __PJPP_LOCK_HPP__ */ |
| |