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/*
* Internal xtrx portable layer header file
* Copyright (c) 2017 Sergey Kostanbaev <sergey.kostanbaev@fairwaves.co>
* For more information, please visit: http://xtrx.io
*
* 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 2.1 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; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef XTRX_PORT_H
#define XTRX_PORT_H
/** @file xtrx_port.h
*
* Portability layer accross differrent platform and OSes
*/
#ifdef _MSC_VER
#if !defined(__cplusplus)
#define inline __inline
#endif
#endif
#if defined(__linux)
/* to use non-standard GNU-extenstions */
#define _GNU_SOURCE
#endif
#include <stdint.h>
//#if defined(_WIN32) || defined(__CYGWIN__) || defined(_WIN32_WCE)
//#define XTRX_API WINAPI
//#else
//#define XTRX_API
//#endif
#include <sys/types.h>
#if defined(__linux) || defined(__APPLE__) || defined(__CYGWIN__)
#include <sys/time.h>
#include <unistd.h>
#include <endian.h>
#endif
#include <time.h>
#include <limits.h>
#include <errno.h>
#if defined(__linux) || defined(__APPLE__)
#include <pthread.h>
#include <semaphore.h>
#elif defined(_WIN32) || defined(_WIN32_WCE) || defined(__CYGWIN__)
#include <windows.h>
/** @ingroup threading
* Basic emulation of posix threading and mutexes
*/
typedef CRITICAL_SECTION pthread_mutex_t;
static inline int pthread_mutex_init(pthread_mutex_t *__mutex, const void *__mutexattr) {
InitializeCriticalSection(__mutex);
return 0;
}
static inline int pthread_mutex_destroy(pthread_mutex_t *__mutex) {
DeleteCriticalSection(__mutex);
return 0;
}
static inline int pthread_mutex_lock(pthread_mutex_t *__mutex) {
EnterCriticalSection(__mutex);
return 0;
}
static inline int pthread_mutex_unlock(pthread_mutex_t *__mutex) {
LeaveCriticalSection(__mutex);
return 0;
}
typedef HANDLE pthread_t;
int pthread_create(pthread_t *__restrict nt,
const void *__restrict __attr,
void *(*start_routine) (void *),
void *__restrict arg);
int pthread_join(pthread_t th, void **thread_return);
typedef HANDLE sem_t;
int sem_init(sem_t *sem, int pshared, unsigned int value);
int sem_destroy(sem_t *sem);
int sem_wait(sem_t *sem);
int sem_post(sem_t *sem);
/** @ingroup timing
* Basic timing function with high resolution
*/
#ifdef _MSC_VER
struct timespec {
time_t tv_sec;
unsigned tv_nsec;
};
typedef enum {
CLOCK_REALTIME = 0,
CLOCK_MONOTONIC_RAW = 0, /**< Use Realtime as the last resort */
} clockid_t;
#else
#define CLOCK_MONOTONIC_RAW CLOCK_REALTIME
#endif
int clock_gettime(clockid_t clk_id, struct timespec *tp);
int usleep(unsigned usec);
unsigned sleep(unsigned seconds);
int sem_timedwait(sem_t *sem, const struct timespec *abs_timeout);
/** @ingroup dynamic
* Emulation of dl functions
*/
#define RTLD_LOCAL 0
#define RTLD_NOW 2
void *dlopen(const char *file, int mode);
int dlclose(void *handle);
void *dlsym(void *__restrict handle,
const char *__restrict name);
char *dlerror(void);
/** @ingroup endian
*/
static inline uint32_t __bswap_16 (uint16_t __bsx)
{
return (__bsx >> 8) | (__bsx << 8);
}
static inline uint32_t __bswap_32 (uint32_t __bsx)
{
return __builtin_bswap32(__bsx);
}
static inline uint64_t __bswap_64 (uint64_t __bsx)
{
return __builtin_bswap64(__bsx);
}
# define htobe16(x) __bswap_16 (x)
# define htole16(x) (x)
# define be16toh(x) __bswap_16 (x)
# define le16toh(x) (x)
# define htobe32(x) __bswap_32 (x)
# define htole32(x) (x)
# define be32toh(x) __bswap_32 (x)
# define le32toh(x) (x)
# define htobe64(x) __bswap_64 (x)
# define htole64(x) (x)
# define be64toh(x) __bswap_64 (x)
# define le64toh(x) (x)
/** @ingroup memory
*/
static inline int posix_memalign(void **memptr, size_t alignment, size_t size) {
*memptr = _aligned_malloc(size, alignment);
return (*memptr == NULL) ? -1 : 0;
}
// TODO replace this constant
#define ENAVAIL 1000
#else
#error Unknown platform
#endif
/** @ingroup general
* General portability layes
*/
#if defined(__cplusplus)
extern "C" {
#endif
const struct tm* xtrxll_localtime(time_t now);
#if defined(__cplusplus)
}
#endif
#endif
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