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/*
* osLayer.h
* Release $Name: MATRIXSSL_1_8_8_OPEN $
*
* Layered header for OS specific functions
* Contributors adding new OS support must implement all functions
* externed below.
*/
/*
* Copyright (c) PeerSec Networks, 2002-2009. All Rights Reserved.
* The latest version of this code is available at http://www.matrixssl.org
*
* This software is open source; 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 2 of the License, or
* (at your option) any later version.
*
* This General Public License does NOT permit incorporating this software
* into proprietary programs. If you are unable to comply with the GPL, a
* commercial license for this software may be purchased from PeerSec Networks
* at http://www.peersec.com
*
* This program is distributed in 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
* http://www.gnu.org/copyleft/gpl.html
*/
/******************************************************************************/
#ifndef _h_OS_LAYER
#define _h_OS_LAYER
#define _h_EXPORT_SYMBOLS
#include <stdio.h>
#include <stdlib.h>
#ifndef WINCE
#include <time.h>
#endif
#ifdef __cplusplus
extern "C" {
#endif
/******************************************************************************/
#include "../../matrixCommon.h"
#include "psMalloc.h"
/*
Functions defined at OS level
*/
extern int32 sslOpenOsdep(void);
extern int32 sslCloseOsdep(void);
extern int32 sslGetEntropy(unsigned char *bytes, int32 size);
/*
Defines to make library multithreading safe
*/
#ifdef USE_MULTITHREADING
#if WIN32 || WINCE
#include <windows.h>
typedef CRITICAL_SECTION sslMutex_t;
#define sslCreateMutex(M) InitializeCriticalSection((CRITICAL_SECTION *) M);
#define sslLockMutex(M) EnterCriticalSection((CRITICAL_SECTION *) M);
#define sslUnlockMutex(M) LeaveCriticalSection((CRITICAL_SECTION *) M);
#define sslDestroyMutex(M) DeleteCriticalSection((CRITICAL_SECTION *) M);
#elif LINUX
#include <pthread.h>
#include <string.h>
typedef pthread_mutex_t sslMutex_t;
extern int32 sslCreateMutex(sslMutex_t *mutex);
extern int32 sslLockMutex(sslMutex_t *mutex);
extern int32 sslUnlockMutex(sslMutex_t *mutex);
extern void sslDestroyMutex(sslMutex_t *mutex);
#elif VXWORKS
#include "semLib.h"
typedef SEM_ID sslMutex_t;
extern int32 sslCreateMutex(sslMutex_t *mutex);
extern int32 sslLockMutex(sslMutex_t *mutex);
extern int32 sslUnlockMutex(sslMutex_t *mutex);
extern void sslDestroyMutex(sslMutex_t *mutex);
#endif /* WIN32 || CE */
#else /* USE_MULTITHREADING */
typedef int32 sslMutex_t;
#define sslCreateMutex(M)
#define sslLockMutex(M)
#define sslUnlockMutex(M)
#define sslDestroyMutex(M)
#endif /* USE_MULTITHREADING */
/*
Make sslTime_t an opaque time value.
FUTURE - use high res time instead of time_t
*/
#ifdef LINUX
/*
On some *NIX versions such as MAC OS X 10.4, CLK_TCK has been deprecated
*/
#ifndef CLK_TCK
#define CLK_TCK CLOCKS_PER_SEC
#endif /* CLK_TCK */
#endif /* LINUX */
#if defined(WIN32)
#include <windows.h>
typedef LARGE_INTEGER sslTime_t;
#elif VXWORKS
typedef struct {
long sec;
long usec;
} sslTime_t;
#elif (defined(USE_RDTSCLL_TIME) || defined(RDTSC))
typedef unsigned long long LARGE_INTEGER;
typedef LARGE_INTEGER sslTime_t;
#elif WINCE
#include <windows.h>
typedef LARGE_INTEGER sslTime_t;
#else
typedef struct {
long sec;
long usec;
} sslTime_t;
#endif
/******************************************************************************/
/*
We define our own stat for CE.
*/
#if WINCE
extern int32 stat(char *filename, struct stat *sbuf);
struct stat {
unsigned long st_size; /* file size in bytes */
unsigned long st_mode;
time_t st_atime; /* time of last access */
time_t st_mtime; /* time of last data modification */
time_t st_ctime; /* time of last file status change */
};
#define S_IFREG 0100000
#define S_IFDIR 0040000
extern time_t time();
#endif /* WINCE */
extern int32 sslInitMsecs(sslTime_t *t);
extern int32 sslCompareTime(sslTime_t a, sslTime_t b);
extern int32 sslDiffSecs(sslTime_t then, sslTime_t now);
extern long sslDiffMsecs(sslTime_t then, sslTime_t now);
/******************************************************************************/
/*
Debugging functionality.
If DEBUG is defined matrixStrDebugMsg and matrixIntDebugMsg messages are
output to stdout, sslAsserts go to stderror and call psBreak.
In non-DEBUG builds matrixStrDebugMsg and matrixIntDebugMsg are
compiled out. sslAsserts still go to stderr, but psBreak is not called.
*/
#if DEBUG
extern void psBreak(void);
extern void matrixStrDebugMsg(char *message, char *arg);
extern void matrixIntDebugMsg(char *message, int32 arg);
extern void matrixPtrDebugMsg(char *message, void *arg);
#define sslAssert(C) if (C) ; else \
{fprintf(stderr, "%s:%d sslAssert(%s)\n",__FILE__, __LINE__, #C); psBreak(); }
#else
#define matrixStrDebugMsg(x, y)
#define matrixIntDebugMsg(x, y)
#define matrixPtrDebugMsg(x, y)
#define sslAssert(C) if (C) ; else \
{fprintf(stderr, "%s:%d sslAssert(%s)\n",__FILE__, __LINE__, #C); }
#endif /* DEBUG */
#ifdef __cplusplus
}
#endif
#endif /* _h_OS_LAYER */
/******************************************************************************/
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