pte_generic_osal.h

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/*
 * pte_cancellable_wait.c
 *
 * Description:
 *
 * --------------------------------------------------------------------------
 *
 *      Pthreads-embedded (PTE) - POSIX Threads Library for embedded systems
 *      Copyright(C) 2008 Jason Schmidlapp
 *
 *      Contact Email: jschmidlapp@users.sourceforge.net
 *
 *      This library is free software; you can redistribute it and/or
 *      modify it under the terms of the GNU Lesser General Public
 *      License as published by the Free Software Foundation; either
 *      version 2 of the License, or (at your option) any later version.
 *
 *      This library 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
 *      Lesser General Public License for more details.
 *
 *      You should have received a copy of the GNU Lesser General Public
 *      License along with this library in the file COPYING.LIB;
 *      if not, write to the Free Software Foundation, Inc.,
 *      59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
 */

#ifndef _GENERIC_OS_SUPPORT_H_
#define _GENERIC_OS_SUPPORT_H_

#ifdef __cplusplus
extern "C" {
#endif // __cplusplus

typedef enum pte_osResult
{

  PTE_OS_OK = 0,

  PTE_OS_NO_RESOURCES,

  PTE_OS_GENERAL_FAILURE,

  PTE_OS_TIMEOUT,

  PTE_OS_INTERRUPTED,

  PTE_OS_INVALID_PARAM


} pte_osResult;

pte_osResult pte_osInit(void);


pte_osResult pte_osMutexCreate(pte_osMutexHandle *pHandle);

pte_osResult pte_osMutexDelete(pte_osMutexHandle handle);

pte_osResult pte_osMutexLock(pte_osMutexHandle handle);

pte_osResult pte_osMutexTimedLock(pte_osMutexHandle handle, unsigned int timeoutMsecs);

pte_osResult pte_osMutexUnlock(pte_osMutexHandle handle);

typedef int (*pte_osThreadEntryPoint)(void *params);


pte_osResult pte_osThreadCreate(pte_osThreadEntryPoint entryPoint,
                                int stackSize,
                                int initialPriority,
                                void *argv,
                                pte_osThreadHandle* ppte_osThreadHandle);

pte_osResult pte_osThreadStart(pte_osThreadHandle osThreadHandle);

void pte_osThreadExit();

pte_osResult pte_osThreadWaitForEnd(pte_osThreadHandle threadHandle);

pte_osThreadHandle pte_osThreadGetHandle(void);

int pte_osThreadGetPriority(pte_osThreadHandle threadHandle);

pte_osResult pte_osThreadSetPriority(pte_osThreadHandle threadHandle, int newPriority);

pte_osResult pte_osThreadDelete(pte_osThreadHandle handle);

pte_osResult pte_osThreadExitAndDelete(pte_osThreadHandle handle);

pte_osResult pte_osThreadCancel(pte_osThreadHandle threadHandle);

pte_osResult pte_osThreadCheckCancel(pte_osThreadHandle threadHandle);

void pte_osThreadSleep(unsigned int msecs);

int pte_osThreadGetMaxPriority();

int pte_osThreadGetMinPriority();

int pte_osThreadGetDefaultPriority();




pte_osResult pte_osSemaphoreCreate(int initialValue, pte_osSemaphoreHandle *pHandle);

pte_osResult pte_osSemaphoreDelete(pte_osSemaphoreHandle handle);

pte_osResult pte_osSemaphorePost(pte_osSemaphoreHandle handle, int count);

pte_osResult pte_osSemaphorePend(pte_osSemaphoreHandle handle, unsigned int *pTimeout);

pte_osResult pte_osSemaphoreCancellablePend(pte_osSemaphoreHandle handle, unsigned int *pTimeout);


pte_osResult pte_osTlsSetValue(unsigned int key, void * value);

void * pte_osTlsGetValue(unsigned int key);

void pte_osTlsInit(void);

pte_osResult pte_osTlsAlloc(unsigned int *pKey);

pte_osResult pte_osTlsFree(unsigned int key);


int pte_osAtomicExchange(int *pTarg, int val);

int pte_osAtomicCompareExchange(int *pdest, int exchange, int comp);

int  pte_osAtomicExchangeAdd(int volatile* pdest, int value);

int pte_osAtomicDecrement(int *pdest);

int pte_osAtomicIncrement(int *pdest);

struct timeb;

int ftime(struct timeb *tb);

#ifdef __cplusplus
}
#endif // __cplusplus

#endif // _OS_SUPPORT_H_