/**************************************************************
 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * 
 *************************************************************/



#ifndef __OSL_SYSTEM_H__
#define __OSL_SYSTEM_H__

#include <stdio.h>
#include <stdlib.h>
#include <limits.h>
#include <string.h>
#include <errno.h>
#include <stdarg.h>

#include <unistd.h>
#include <fcntl.h>
#include <dirent.h>
#include <signal.h>
#include <utime.h>

#include <pwd.h>

#include <netdb.h>

#include <sys/stat.h>
#include <sys/wait.h>

#include <sys/types.h>

/* Make sockets of type AF_UNIX use underlying FS rights */
#ifdef SOLARIS
#	define _XOPEN_SOURCE 500
#	include <sys/socket.h>
#	undef _XOPEN_SOURCE
#else
#	include <sys/socket.h>
#endif

#include <netinet/in.h>
#include <arpa/inet.h>

#ifdef SYSV
#   include <sys/utsname.h>
#endif

#ifdef LINUX
#   ifndef __USE_GNU
#   define __USE_GNU
#   endif

#if GLIBC >= 2
#   include <shadow.h>
#   include <pthread.h>
#   include <sys/file.h>
#   include <sys/ioctl.h>
#	include <sys/uio.h>
#	include <sys/un.h>
#   include <netinet/tcp.h>
#   include <dlfcn.h>
#	include <endian.h>
#	include <sys/time.h>
#	include <semaphore.h> 
#	if __BYTE_ORDER == __LITTLE_ENDIAN
#		define _LITTLE_ENDIAN
#	elif __BYTE_ORDER == __BIG_ENDIAN
#               ifndef _BIG_ENDIAN
#               define _BIG_ENDIAN
#               endif
#	elif __BYTE_ORDER == __PDP_ENDIAN
#		define _PDP_ENDIAN
#	endif
#	define 	IORESOURCE_TRANSFER_BSD 
#	define 	IOCHANNEL_TRANSFER_BSD_RENO
#	define	pthread_testcancel()
#	define  NO_PTHREAD_PRIORITY
#	define  PTHREAD_SIGACTION 			pthread_sigaction
#else
#   include <shadow.h>
#   include <asm/sigcontext.h>
#   include <pthread.h>
#   include <sys/file.h>
#   include <sys/ioctl.h>
#   include <linux/net.h>
#	include <sys/un.h>
#   include <netinet/tcp.h>
#   include <linux/elfcore.h>
#   include <dlfcn.h>
#	include <endian.h>
#	if __BYTE_ORDER == __LITTLE_ENDIAN
#		define _LITTLE_ENDIAN
#	elif __BYTE_ORDER == __BIG_ENDIAN
#		define _BIG_ENDIAN
#	elif __BYTE_ORDER == __PDP_ENDIAN
#		define _PDP_ENDIAN
#	endif
#	define 	IORESOURCE_TRANSFER_BSD 
#	define 	IOCHANNEL_TRANSFER_BSD_RENO
#	define	pthread_testcancel()
#	define  NO_PTHREAD_RTL
#	define  NO_PTHREAD_PRIORITY
#	define  PTHREAD_SIGACTION 			pthread_sigaction
#endif

#   ifndef ETIME
#       define ETIME ETIMEDOUT
#   endif

#endif

#ifdef NETBSD
#	define  ETIME ETIMEDOUT
#	define _POSIX_THREAD_SYSCALL_SOFT 1
#	include <pthread.h>
#	include <netdb.h>
#	include <sys/sem.h>
#	include <sys/exec.h>
#	include <sys/filio.h>
#	include <sys/ioctl.h>
#	include <sys/time.h>
#	include <sys/un.h>
#	include <netinet/tcp.h>
#	include <dlfcn.h>
#   include <machine/endian.h>
#   if BYTE_ORDER == LITTLE_ENDIAN
#   	define _LITTLE_ENDIAN_OO
#   elif BYTE_ORDER == BIG_ENDIAN
#   	define _BIG_ENDIAN_OO
#   elif BYTE_ORDER == PDP_ENDIAN
#   	define _PDP_ENDIAN_OO
#   endif
#	define 	IORESOURCE_TRANSFER_BSD 
#	define 	IOCHANNEL_TRANSFER_BSD_RENO
#	define	pthread_testcancel()
#	define  NO_PTHREAD_PRIORITY
#     define  NO_PTHREAD_SEMAPHORES
#	define  NO_PTHREAD_RTL
#	define  PTHREAD_SIGACTION 			pthread_sigaction
#endif

#ifdef FREEBSD
#   define  ETIME ETIMEDOUT
#   include <pthread.h>
#   include <sys/sem.h>
#   include <semaphore.h>
#   include <dlfcn.h>
#   include <sys/filio.h>
#   include <sys/ioctl.h>
#   include <sys/param.h>
#   include <sys/time.h>
#   include <sys/uio.h>
#   include <sys/exec.h>
#   include <vm/vm.h>
#   include <vm/vm_param.h>
#   include <vm/pmap.h>
#   include <vm/swap_pager.h>
#	include <sys/un.h>
#   include <netinet/tcp.h>
#	define 	IORESOURCE_TRANSFER_BSD 
#   include <machine/endian.h>
#if __FreeBSD_version < 500000
#   if BYTE_ORDER == LITTLE_ENDIAN
#   	define _LITTLE_ENDIAN
#   elif BYTE_ORDER == BIG_ENDIAN
#   	define _BIG_ENDIAN
#   elif BYTE_ORDER == PDP_ENDIAN
#   	define _PDP_ENDIAN
#   endif
#endif
#	define  NO_PTHREAD_RTL
#endif

#ifdef SCO
#   define AF_IPX -1
#	include <strings.h>
#	include <pthread.h>
#	include <shadow.h>
#	include <netdb.h>
#	include <sys/un.h>
#	include <sys/netinet/tcp.h>
#   include <sys/types.h>
#   include <sys/byteorder.h>
#   include <dlfcn.h>
#   if BYTE_ORDER == LITTLE_ENDIAN
#   	define _LITTLE_ENDIAN
#   elif BYTE_ORDER == BIG_ENDIAN
#   	define _BIG_ENDIAN
#   elif BYTE_ORDER == PDP_ENDIAN
#   	define _PDP_ENDIAN
#   endif
#	define  sched_yield() 				pthread_yield()
#	define	pthread_testcancel()
#	define  NO_PTHREAD_RTL
#	define  NO_PTHREAD_PRIORITY
extern int pthread_cancel(pthread_t);
extern unsigned int nanosleep(unsigned int);
#	define  SLEEP_TIMESPEC(timespec)  	(timespec .tv_sec > 0) ? sleep(timespec .tv_sec), nanosleep(timespec .tv_nsec) : nanosleep(timespec .tv_nsec)
#	define  PATH_MAX 					_POSIX_PATH_MAX
#	define	S_ISSOCK					S_ISFIFO 
#	define	PTHREAD_SIGACTION 			pthread_sigaction
#	define	STAT_PARENT					stat
#endif

#ifdef AIX
#   define AF_IPX -1
#	include <strings.h>
#	include <pthread.h>
#	include <sys/time.h>
#	include <sys/un.h>
#	include <netinet/tcp.h>
#	include <sys/machine.h>
#   if BYTE_ORDER == LITTLE_ENDIAN
#   	define _LITTLE_ENDIAN
#   elif BYTE_ORDER == BIG_ENDIAN
#   	define _BIG_ENDIAN
#   elif BYTE_ORDER == PDP_ENDIAN
#   	define _PDP_ENDIAN
#   endif
#	define  sched_yield() 				pthread_yield()
#	define  SLEEP_TIMESPEC(timespec)  	nsleep(&timespec, 0)
#	define  LIBPATH "LIBPATH"
#	define  NO_PTHREAD_SEMAPHORES
#   define  NO_DL_FUNCTIONS
#endif

#ifdef HPUX
#   define  AF_IPX -1
#   undef	howmany
#   undef	MAXINT
#	include <pthread.h>
#	include <sys/un.h>
#	include <sys/sched.h>
#	include <sys/xti.h>
#	include <sys/pstat.h>
#	include <shadow.h>
#	include <crypt.h>
#	include <machine/param.h>
#	define  LIBPATH "SHLIB_PATH"
#	define  PTR_FD_SET(s)				((int *)&(s))
#	define  PTHREAD_VALUE(t)			((t).field2)
# 	define  PTHREAD_NONE_INIT			{ 0, -1 }
#	define  PTHREAD_ATTR_DEFAULT		pthread_attr_default
#	define  PTHREAD_MUTEXATTR_DEFAULT	pthread_mutexattr_default
#	define  PTHREAD_CONDATTR_DEFAULT	pthread_condattr_default
#	define  pthread_detach(t)			pthread_detach(&(t))
#	define  NO_PTHREAD_PRIORITY
#	define  NO_PTHREAD_SEMAPHORES
#   define  NO_DL_FUNCTIONS
#	undef	sigaction
#	define  PTHREAD_SIGACTION 			cma_sigaction
#endif

#ifdef SOLARIS
#	include <shadow.h>
#	include <sys/un.h>
#	include <stropts.h>
#	include <pthread.h>
#	include <semaphore.h>
#	include <netinet/tcp.h>
#	include <sys/filio.h>
#	include <dlfcn.h>
#	include <sys/isa_defs.h>
#	define 	IORESOURCE_TRANSFER_SYSV 
#	define 	IOCHANNEL_TRANSFER_BSD
#	define  LIBPATH "LD_LIBRARY_PATH"
#	define  OLD_SHADOW_API
#endif

#ifdef MACOSX
#define __OPENTRANSPORTPROVIDERS__ // these are already defined
#define TimeValue CFTimeValue      // Do not conflict with TimeValue in sal/inc/osl/time.h
#include <Carbon/Carbon.h>
#undef TimeValue
#	ifndef ETIME
#		define  ETIME ETIMEDOUT
#	endif
#	include <dlfcn.h>    
#	include <pthread.h>
#	include <sys/file.h>
#	include <sys/ioctl.h>
#	include <sys/uio.h>
#	include <sys/un.h>
#	include <netinet/tcp.h>
#	include <machine/endian.h>
#	include <sys/time.h>
#	include <sys/semaphore.h> 
/* fixme are premac and postmac still needed here? */
#	include <premac.h>
#	include <mach-o/dyld.h> 
#	include <postmac.h>
#	if BYTE_ORDER == LITTLE_ENDIAN
#		ifndef _LITTLE_ENDIAN
#		define _LITTLE_ENDIAN
#		endif
#	elif BYTE_ORDER == BIG_ENDIAN
#		ifndef _BIG_ENDIAN
#		define _BIG_ENDIAN
#		endif
#	elif BYTE_ORDER == PDP_ENDIAN
#		ifndef _PDP_ENDIAN
#		define _PDP_ENDIAN
#		endif
#	endif
#	define 	IOCHANNEL_TRANSFER_BSD_RENO
#	define  NO_PTHREAD_RTL
/* for NSGetArgc/Argv/Environ */
#       include <crt_externs.h>
#ifdef __cplusplus
extern "C" {
#endif
int macxp_resolveAlias(char *path, int buflen);
#ifdef __cplusplus
}
#endif
#endif

#if !defined(_WIN32)  && !defined(_WIN16) && !defined(OS2)  && \
    !defined(LINUX)   && !defined(NETBSD) && !defined(FREEBSD) && !defined(SCO)  && \
	!defined(AIX)     && !defined(HPUX)   && \
	!defined(SOLARIS) && !defined(MACOSX)
#	error "Target platform not specified!"
#endif

#if defined(NETBSD)
#if defined _LITTLE_ENDIAN_OO
#	define _OSL_BIGENDIAN
#elif defined _BIG_ENDIAN_OO
#	define _OSL_LITENDIAN
#else
#	error undetermined endianess
#endif
#else
#if defined _LITTLE_ENDIAN
#	define _OSL_BIGENDIAN
#elif defined _BIG_ENDIAN
#	define _OSL_LITENDIAN
#else
#	error undetermined endianess
#endif
#endif

#ifndef PTR_FD_SET
#	define PTR_FD_SET(s)				(&(s))
#endif

#ifndef NORMALIZE_TIMESPEC
#	define NORMALIZE_TIMESPEC(timespec) \
  		timespec . tv_sec  += timespec . tv_nsec / 1000000000; \
  		timespec . tv_nsec %= 1000000000; 
#endif

#ifndef SET_TIMESPEC
#	define SET_TIMESPEC(timespec, sec, nsec) \
  		timespec . tv_sec  = (sec);  \
  		timespec . tv_nsec = (nsec); \
		NORMALIZE_TIMESPEC(timespec);
#endif

#ifndef SLEEP_TIMESPEC
#	define SLEEP_TIMESPEC(timespec) nanosleep(&timespec, 0)
#endif

#ifndef INIT_GROUPS	
#	define  INIT_GROUPS(name, gid)	((setgid((gid)) == 0) && (initgroups((name), (gid)) == 0))
#endif

#ifndef PTHREAD_VALUE
#	define PTHREAD_VALUE(t) 			(t)
#endif
#ifndef PTHREAD_NONE
# if (__GNUC__ < 4) && !defined(MACOSX)
extern pthread_t _pthread_none_;
# endif
#	define PTHREAD_NONE					_pthread_none_
#   ifndef PTHREAD_NONE_INIT
#		define PTHREAD_NONE_INIT		((pthread_t)-1)
#	endif
#endif

#ifndef PTHREAD_ATTR_DEFAULT
#	define PTHREAD_ATTR_DEFAULT 		NULL
#endif
#ifndef PTHREAD_MUTEXATTR_DEFAULT 
#	define PTHREAD_MUTEXATTR_DEFAULT 	NULL
#endif
#ifndef PTHREAD_CONDATTR_DEFAULT
#	define PTHREAD_CONDATTR_DEFAULT 	NULL
#endif

#ifndef PTHREAD_SIGACTION
#	define PTHREAD_SIGACTION sigaction
#endif

#ifndef STAT_PARENT
#	define STAT_PARENT					lstat
#endif

/* socket options which might not be defined on all unx flavors */
#ifndef SO_ACCEPTCONN
#	define SO_ACCEPTCONN 	0
#endif
#ifndef SO_SNDLOWAT
#	define SO_SNDLOWAT 		0
#endif
#ifndef SO_RCVLOWAT
#	define SO_RCVLOWAT 		0
#endif
#ifndef SO_SNDTIMEO
#	define	SO_SNDTIMEO 	0
#endif
#ifndef SO_RCVTIMEO
#	define SO_RCVTIMEO 		0
#endif
#ifndef SO_USELOOPBACK
#	define SO_USELOOPBACK 	0
#endif
#ifndef MSG_MAXIOVLEN
#	define MSG_MAXIOVLEN 	0
#endif

/* BEGIN HACK */
/* dummy define and declarations for IPX should be replaced by */
/* original ipx headers when these are available for this platform */

#ifndef SA_FAMILY_DECL
#	define SA_FAMILY_DECL short sa_family
#endif

typedef struct sockaddr_ipx {
    SA_FAMILY_DECL;
    char  sa_netnum[4];
    char  sa_nodenum[6];
    unsigned short sa_socket;
} SOCKADDR_IPX;

#define NSPROTO_IPX      1000
#define NSPROTO_SPX      1256
#define NSPROTO_SPXII    1257

/* END HACK */

#ifdef NO_PTHREAD_SEMAPHORES

typedef struct
{
	pthread_mutex_t	mutex;
	pthread_cond_t	increased;
	int			    value;
} sem_t;
extern int sem_init(sem_t* sem, int pshared, unsigned int value);
extern int sem_destroy(sem_t* sem);
extern int sem_wait(sem_t* sem);
extern int sem_trywait(sem_t* sem);
extern int sem_post(sem_t* sem);

#endif

#ifdef NO_PTHREAD_RTL
#if !defined FREEBSD || (__FreeBSD_version < 500112)
struct passwd *getpwent_r(struct passwd *pwd, char *buffer,  int buflen);
extern struct spwd *getspnam_r(const char *name, struct spwd *result,
							   char *buffer, int buflen);

struct tm *localtime_r(const time_t *timep, struct tm *buffer);
struct tm *gmtime_r(const time_t *timep, struct tm *buffer);
#endif /* !defined FREEBSD || (__FreeBSD_version < 500112) */
#if !defined(FREEBSD) || (__FreeBSD_version < 601103)
struct hostent *gethostbyname_r(const char *name, struct hostent *result,
								char *buffer, int buflen, int *h_errnop);
#endif /* !defined(FREEBSD) || (__FreeBSD_version < 601103) */
#endif

#endif /* __OSL_SYSTEM_H__ */