mux_pthr.cpp

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/*
* Pthread Mutex
* (C) 1999-2007 Jack Lloyd
*
* Distributed under the terms of the Botan license
*/
 
#include <botan/internal/mux_pthr.h>
#include <botan/exceptn.h>
 
#ifndef _POSIX_C_SOURCE
  #define _POSIX_C_SOURCE 199506
#endif
 
#include <pthread.h>
 
namespace Botan {
 
/*
* Pthread Mutex Factory
*/
Mutex* Pthread_Mutex_Factory::make()
   {
 
   class Pthread_Mutex : public Mutex
      {
      public:
         void lock()
            {
            if(pthread_mutex_lock(&mutex) != 0)
               throw Invalid_State("Pthread_Mutex::lock: Error occured");
            }
 
         void unlock()
            {
            if(pthread_mutex_unlock(&mutex) != 0)
               throw Invalid_State("Pthread_Mutex::unlock: Error occured");
            }
 
         Pthread_Mutex()
            {
            if(pthread_mutex_init(&mutex, 0) != 0)
               throw Invalid_State("Pthread_Mutex: initialization failed");
            }
 
         ~Pthread_Mutex()
            {
            pthread_mutex_destroy(&mutex);
            }
      private:
         pthread_mutex_t mutex;
      };
 
   return new Pthread_Mutex();
   }
 
}