Thread.h

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/***************************************************************************************************
 
  Zyan Core Library (Zycore-C)
 
  Original Author : Florian Bernd
 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 
***************************************************************************************************/

 
#ifndef ZYCORE_API_THREAD_H
#define ZYCORE_API_THREAD_H
 
#include <Zycore/Defines.h>
#include <Zycore/Status.h>
 
#ifndef ZYAN_NO_LIBC
 
#ifdef __cplusplus
extern "C" {
#endif
 
/* ============================================================================================== */
/* Enums and types                                                                                */
/* ============================================================================================== */
 
#if   defined(ZYAN_POSIX)
 
#include <pthread.h>
 
/* ---------------------------------------------------------------------------------------------- */
/* General                                                                                        */
/* ---------------------------------------------------------------------------------------------- */

typedef pthread_t ZyanThread;

typedef ZyanU64 ZyanThreadId;
 
/* ---------------------------------------------------------------------------------------------- */
/* Thread Local Storage (TLS)                                                                     */
/* ---------------------------------------------------------------------------------------------- */

typedef pthread_key_t ZyanThreadTlsIndex;

typedef void(*ZyanThreadTlsCallback)(void* data);

#define ZYAN_THREAD_DECLARE_TLS_CALLBACK(name, param_type, param_name) \
    void name(param_type* param_name)
 
/* ---------------------------------------------------------------------------------------------- */
 
#elif defined(ZYAN_WINDOWS)
 
#include <windows.h>
 
/* ---------------------------------------------------------------------------------------------- */
/* General                                                                                        */
/* ---------------------------------------------------------------------------------------------- */

typedef HANDLE ZyanThread;

typedef DWORD ZyanThreadId;
 
/* ---------------------------------------------------------------------------------------------- */
/* Thread Local Storage (TLS)                                                                     */
/* ---------------------------------------------------------------------------------------------- */

typedef DWORD ZyanThreadTlsIndex;

typedef PFLS_CALLBACK_FUNCTION ZyanThreadTlsCallback;

#define ZYAN_THREAD_DECLARE_TLS_CALLBACK(name, param_type, param_name) \
    VOID NTAPI name(param_type* param_name)
 
/* ---------------------------------------------------------------------------------------------- */
 
#else
#   error "Unsupported platform detected"
#endif
 
/* ============================================================================================== */
/* Exported functions                                                                             */
/* ============================================================================================== */
 
/* ---------------------------------------------------------------------------------------------- */
/* General                                                                                        */
/* ---------------------------------------------------------------------------------------------- */

ZYCORE_EXPORT ZyanStatus ZyanThreadGetCurrentThread(ZyanThread* thread);

ZYCORE_EXPORT ZyanStatus ZyanThreadGetCurrentThreadId(ZyanThreadId* thread_id);
 
/* ---------------------------------------------------------------------------------------------- */
/* Thread Local Storage (TLS)                                                                     */
/* ---------------------------------------------------------------------------------------------- */

ZYCORE_EXPORT ZyanStatus ZyanThreadTlsAlloc(ZyanThreadTlsIndex* index,
    ZyanThreadTlsCallback destructor);

ZYCORE_EXPORT ZyanStatus ZyanThreadTlsFree(ZyanThreadTlsIndex index);

ZYCORE_EXPORT ZyanStatus ZyanThreadTlsGetValue(ZyanThreadTlsIndex index, void** data);

ZYCORE_EXPORT ZyanStatus ZyanThreadTlsSetValue(ZyanThreadTlsIndex index, void* data);
 
/* ---------------------------------------------------------------------------------------------- */
 
/* ============================================================================================== */
 
#ifdef __cplusplus
}
#endif
 
#endif /* ZYAN_NO_LIBC */
 
#endif /* ZYCORE_API_THREAD_H */