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Annotation of parser3/src/include/pa_threads.h, revision 1.6

1.1       paf         1: /*
1.5       paf         2:        Parser
                      3:        Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com)
1.6     ! paf         4:        Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf)
1.5       paf         5: 
1.6     ! paf         6:        $Id: pa_threads.h,v 1.5 2001/03/10 16:34:35 paf Exp $
1.1       paf         7: */
                      8: 
                      9: #ifndef PA_THREADS_H
                     10: #define PA_THREADS_H
                     11: 
                     12: #ifdef HAVE_CONFIG_H
                     13: #      include "pa_config.h"
                     14: #endif
                     15: 
                     16: #include "pa_types.h"
                     17: 
                     18: 
                     19: #ifdef MULTITHREAD
                     20: 
                     21: class Mutex {
                     22:        uint handle;
                     23: public:
                     24:        Mutex();
                     25:        ~Mutex();
1.2       paf        26:        void acquire();
                     27:        void release();
1.1       paf        28: };
                     29: 
1.2       paf        30: extern Mutex global_mutex;
1.1       paf        31: 
1.2       paf        32: class AutoSYNCHRONIZED {
1.3       paf        33:        bool thread_safe;
1.2       paf        34: public:
1.3       paf        35:        AutoSYNCHRONIZED(bool athread_safe) : thread_safe(athread_safe) { 
                     36:                if(thread_safe)
                     37:                        global_mutex.acquire(); 
                     38:        }
                     39:        ~AutoSYNCHRONIZED() { 
                     40:                if(thread_safe)
                     41:                        global_mutex.release(); 
                     42:        }
1.2       paf        43: }
                     44: 
1.4       paf        45: #define SYNCHRONIZED(athread_safe) AutoSYNCHRONIZED autoSYNCHRONIZED(athread_safe)
1.2       paf        46: 
                     47: 
                     48: #else // not MULTITHREAD-ed
                     49: 
1.4       paf        50: #define SYNCHRONIZED(athread_safe) /* do nothing */
1.1       paf        51: 
                     52: #endif
1.2       paf        53: 
1.1       paf        54: 
                     55: #endif