summaryrefslogblamecommitdiff
path: root/src/common/mutex.h
blob: fa8170c98e7a892f38fbfddd69823394a21fd466 (plain) (tree)
1
2
3
4
5
6
7
8
9
10
                                                                           
                                                       
 

                      
 
                                 
 

                                              
 
                    
   
                  


                   
                          
 
   
                   
  

                                  
                                 
 
   



                               
                              
 
   
                       
  
                                   
  

                                        
                                 
 
   



                                 
                                

 
   



                               
                        
 
   

                               
                                               
   
                               

   
                                
  

                                                          

                                                            
                                                              
 
   
                                                 
  
                                                     



                                  
                              
 
   

                                                    
  

                                 
   
                                 
                       
 
                           
// Copyright (c) rAthena Project (www.rathena.org) - Licensed under GNU GPL
// For more information, see LICENCE in the main folder

#ifndef COMMON_MUTEX_H
#define COMMON_MUTEX_H

#include "../common/cbasetypes.h"

typedef struct ramutex ramutex; // Mutex
typedef struct racond racond; // Condition Var

#ifdef HERCULES_CORE
/**
 * Creates a Mutex
 *
 * @return not NULL
 */
ramutex *ramutex_create();

/**
 * Destroys a Mutex
 *
 * @param m - the mutex to destroy
 */
void ramutex_destroy(ramutex *m);

/**
 * Gets a lock
 *
 * @param m - the mutex to lock
 */
void ramutex_lock(ramutex *m);

/**
 * Trys to get the Lock
 *
 * @param m - the mutex try to lock
 *
 * @return boolean (true = got the lock)
 */
bool ramutex_trylock(ramutex *m);

/**
 * Unlocks a mutex
 *
 * @param m - the mutex to unlock
 */
void ramutex_unlock(ramutex *m);


/**
 * Creates a Condition variable
 *
 * @return not NULL
 */
racond *racond_create();

/**
 * Destroy a Condition variable
 *
 * @param c - the condition variable to destroy
 */
void racond_destroy(racond *c);

/**
 * Waits Until state is signaled
 *
 * @param c - the condition var to wait for signaled state
 * @param m - the mutex used for synchronization
 * @param timeout_ticks - timeout in ticks ( -1 = INFINITE )
 */
void racond_wait(racond *c, ramutex *m, sysint timeout_ticks);

/**
 * Sets the given condition var to signaled state
 *
 * @param c - condition var to set in signaled state.
 *
 * @note:
 *  Only one waiter gets notified.
 */
void racond_signal(racond *c);

/**
 * Sets notifies all waiting threads thats signaled.
 * @param c - condition var to set in signaled state
 *
 * @note:
 *  All Waiters getting notified.
 */
void racond_broadcast(racond *c);
#endif // HERCULES_CORE

#endif /* COMMON_MUTEX_H */