You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
Theodosius/Examples/Theodosius-Usermode/Zycore/API/Synchronization.h

134 lines
5.0 KiB

/***************************************************************************************************
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.
***************************************************************************************************/
/**
* @file
* @brief
*/
#ifndef ZYCORE_API_SYNCHRONIZATION_H
#define ZYCORE_API_SYNCHRONIZATION_H
#ifndef ZYAN_NO_LIBC
#include <ZycoreExportConfig.h>
#include <Zycore/Defines.h>
#include <Zycore/Status.h>
#ifdef __cplusplus
extern "C" {
#endif
/* ============================================================================================== */
/* Enums and types */
/* ============================================================================================== */
#if defined(ZYAN_POSIX)
#include <pthread.h>
/* ---------------------------------------------------------------------------------------------- */
/* Critical Section */
/* ---------------------------------------------------------------------------------------------- */
typedef pthread_mutex_t ZyanCriticalSection;
/* ---------------------------------------------------------------------------------------------- */
#elif defined(ZYAN_WINDOWS)
#include <windows.h>
/* ---------------------------------------------------------------------------------------------- */
/* Critical Section */
/* ---------------------------------------------------------------------------------------------- */
typedef CRITICAL_SECTION ZyanCriticalSection;
/* ---------------------------------------------------------------------------------------------- */
#else
# error "Unsupported platform detected"
#endif
/* ============================================================================================== */
/* Exported functions */
/* ============================================================================================== */
/* ---------------------------------------------------------------------------------------------- */
/* Critical Section */
/* ---------------------------------------------------------------------------------------------- */
/**
* Initializes a critical section.
*
* @param critical_section A pointer to the `ZyanCriticalSection` struct.
*/
ZYCORE_EXPORT ZyanStatus ZyanCriticalSectionInitialize(ZyanCriticalSection* critical_section);
/**
* Enters a critical section.
*
* @param critical_section A pointer to the `ZyanCriticalSection` struct.
*/
ZYCORE_EXPORT ZyanStatus ZyanCriticalSectionEnter(ZyanCriticalSection* critical_section);
/**
* Tries to enter a critical section.
*
* @param critical_section A pointer to the `ZyanCriticalSection` struct.
*
* @return Returns `ZYAN_TRUE` if the critical section was successfully entered or `ZYAN_FALSE`,
* if not.
*/
ZYCORE_EXPORT ZyanBool ZyanCriticalSectionTryEnter(ZyanCriticalSection* critical_section);
/**
* Leaves a critical section.
*
* @param critical_section A pointer to the `ZyanCriticalSection` struct.
*/
ZYCORE_EXPORT ZyanStatus ZyanCriticalSectionLeave(ZyanCriticalSection* critical_section);
/**
* Deletes a critical section.
*
* @param critical_section A pointer to the `ZyanCriticalSection` struct.
*/
ZYCORE_EXPORT ZyanStatus ZyanCriticalSectionDelete(ZyanCriticalSection* critical_section);
/* ---------------------------------------------------------------------------------------------- */
/* ============================================================================================== */
#ifdef __cplusplus
}
#endif
#endif /* ZYAN_NO_LIBC */
#endif /* ZYCORE_API_SYNCHRONIZATION_H */