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phCondition.h

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00001 /* ---------------------------------------------------------------------------
00002     Phission : 
00003         Realtime Vision Processing System
00004     
00005     Copyright (C) 2003-2006 Philip D.S. Thoren (pthoren@cs.uml.edu)
00006     University of Massachusetts at Lowell,
00007     Laboratory for Artificial Intelligence and Robotics
00008     
00009     This file is part of Phission.
00010 
00011     Phission is free software; you can redistribute it and/or modify
00012     it under the terms of the GNU Lesser General Public License as published by
00013     the Free Software Foundation; either version 2 of the License, or
00014     (at your option) any later version.
00015 
00016     Phission is distributed in the hope that it will be useful,
00017     but WITHOUT ANY WARRANTY; without even the implied warranty of
00018     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00019     GNU Lesser General Public License for more details.
00020 
00021     You should have received a copy of the GNU Lesser General Public License
00022     along with Phission; if not, write to the Free Software
00023     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00024 
00025  ---------------------------------------------------------------------------*/
00026 #ifndef _PHCONDITION_H
00027 #define _PHCONDITION_H
00028 
00029 #include <phStandard.h>
00030 #include <phMutex.h>
00031 
00037 /* ------------------------------------------------------------------------- */
00043 #define phCondition_RECEIVED     phSUCCESS
00044 
00049 #define phCondition_NOTRECEIVED  1
00050 
00051 /* ------------------------------------------------------------------------- */
00056 typedef struct ph_condition_info_t *ph_condition_info;
00057 
00058 /* ------------------------------------------------------------------------- */
00073 PHAPI(class) phCondition : public phMutex
00074 {
00075 protected:
00080     ph_condition_info m_info;
00081 #if defined(WIN32)
00082 
00083     phMutex     m_info_lock; 
00084 #endif
00085 
00086 public:
00091     phCondition();
00096     virtual ~phCondition();
00097 
00098     /* -------------------------------------------------------------------- */
00112     int broadcast();
00113     
00114     /* -------------------------------------------------------------------- */
00129     int signal();
00130 
00131     /* -------------------------------------------------------------------- */
00149     int timedWait( const int sec,const int nsec );
00150     
00151     /* -------------------------------------------------------------------- */
00167     int signalWait();
00168 };
00169  /* end \addtogroup ThreadSync */
00171 
00172 
00173 #endif /* _PHCONDITION_H */




Copyright (C) 2002 - 2007 Philip D.S. Thoren ( pthoren@users.sourceforge.net )
University Of Massachusetts at Lowell
Robotics Lab
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