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/**
* This file is part of Hercules.
* http://herc.ws - http://github.com/HerculesWS/Hercules
*
* Copyright (C) 2012-2016 Hercules Dev Team
* Copyright (C) rAthena Project (www.rathena.org)
*
* Hercules 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef COMMON_THREAD_H
#define COMMON_THREAD_H
#include "common/hercules.h"
typedef struct rAthread rAthread;
typedef void* (*rAthreadProc)(void*);
typedef enum RATHREAD_PRIO {
RAT_PRIO_LOW = 0,
RAT_PRIO_NORMAL,
RAT_PRIO_HIGH
} RATHREAD_PRIO;
struct thread_interface {
/**
* Creates a new Thread.
*
* @param entyPoint Thread's entry point.
* @param param General purpose parameter, would be given as
* parameter to the thread's entry point.
*
* @return The created thread object.
* @retval NULL in vase of failure.
*/
rAthread *(*create) (rAthreadProc entryPoint, void *param);
/**
* Creates a new Thread (with more creation options).
*
* @param entyPoint Thread's entry point.
* @param param General purpose parameter, would be given as
* parameter to the thread's entry point.
* @param szStack Stack Size in bytes.
* @param prio Priority of the Thread in the OS scheduler.
*
* @return The created thread object.
* @retval NULL in case of failure.
*/
rAthread *(*createEx) (rAthreadProc entryPoint, void *param, size_t szStack, RATHREAD_PRIO prio);
/**
* Destroys the given Thread immediately.
*
* @remark
* The Handle gets invalid after call! don't use it afterwards.
*
* @param handle The thread to destroy.
*/
void (*destroy) (rAthread *handle);
/**
* Returns the thread handle of the thread calling this function.
*
* @remark
* This won't work in the program's main thread.
*
* @warning
* The underlying implementation might not perform very well, cache
* the value received!
*
* @return the thread handle.
* @retval NULL in case of failure.
*/
rAthread *(*self) (void);
/**
* Returns own thread id (TID).
*
* @remark
* This is an unique identifier for the calling thread, and depends
* on platform/ compiler, and may not be the systems Thread ID!
*
* @return the thread ID.
* @retval -1 in case of failure.
*/
int (*get_tid) (void);
/**
* Waits for the given thread to terminate.
*
* @param[in] handle The thread to wait (join) for.
* @param[out] out_Exitcode Pointer to return the exit code of the
* given thread after termination (optional).
*
* @retval true if the given thread has been terminated.
*/
bool (*wait) (rAthread *handle, void **out_exitCode);
/**
* Sets the given priority in the OS scheduler.
*
* @param handle The thread to set the priority for.
* @param prio The priority to set (@see enum RATHREAD_PRIO).
*/
void (*prio_set) (rAthread *handle, RATHREAD_PRIO prio);
/**
* Gets the current priority of the given thread.
*
* @param handle The thread to get the priority for.
*/
RATHREAD_PRIO (*prio_get) (rAthread *handle);
/**
* Tells the OS scheduler to yield the execution of the calling thread.
*
* @remark
* This will not "pause" the thread, it just allows the OS to spend
* the remaining time of the slice to another thread.
*/
void (*yield) (void);
void (*init) (void);
void (*final) (void);
};
#ifdef HERCULES_CORE
void thread_defaults(void);
#endif // HERCULES_CORE
HPShared struct thread_interface *thread;
#endif /* COMMON_THREAD_H */
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