"

 COPYRIGHT (c) 1988 by Claus Gittinger

	      All Rights Reserved

 This software is furnished under a license and may be used

 only in accordance with the terms of that license and with the

 inclusion of the above copyright notice.   This software may not

 be provided or otherwise made available to, or used by, any

 other person.  No title to or ownership of the software is

 hereby transferred.

"

"{ Package: 'stx:libbasic' }"

AbstractOperatingSystem subclass:#UnixOperatingSystem

	instanceVariableNames:''

	classVariableNames:'HostName DomainName SlowFork ForkFailed CurrentDirectory

		LastTimeInfo LastTimeInfoSeconds LastTimeInfoMilliseconds

		LastTimeInfoIsLocal CachedMountPoints CacheMountPointsTimeStamp

		Codeset CodesetEncoder'

	poolDictionaries:''

	category:'OS-Unix'

!

Object subclass:#FileDescriptorHandle

	instanceVariableNames:'fd'

	classVariableNames:'OpenFiles'

	poolDictionaries:''

	privateIn:UnixOperatingSystem

!

OSFileHandle subclass:#FilePointerHandle

	instanceVariableNames:''

	classVariableNames:''

	poolDictionaries:''

	privateIn:UnixOperatingSystem

!

Object subclass:#FileStatusInfo

	instanceVariableNames:'type mode uid gid size id accessed modified statusChanged path

		numLinks'

	classVariableNames:''

	poolDictionaries:''

	privateIn:UnixOperatingSystem

!

Object subclass:#MountInfo

	instanceVariableNames:'mountPointPath deviceOrRemotePath fsType attributeString'

	classVariableNames:''

	poolDictionaries:''

	privateIn:UnixOperatingSystem

!

Object subclass:#OSProcessStatus

	instanceVariableNames:'pid status code core'

	classVariableNames:''

	poolDictionaries:''

	privateIn:UnixOperatingSystem

!

UnixOperatingSystem::FilePointerHandle subclass:#SocketHandle

	instanceVariableNames:''

	classVariableNames:'ProtocolCache'

	poolDictionaries:''

	privateIn:UnixOperatingSystem

!

!UnixOperatingSystem primitiveDefinitions!

%{

#if defined(_AIX)

# ifndef WANT_REALPATH

#  define WANT_REALPATH

# endif

# ifndef WANT_SYSTEM

#  define WANT_SYSTEM

# endif

#endif

#ifdef LINUX

# define __xxUSE_GNU      /* new */

# undef HAS_UTS_DOMAINNAME

# define NET_IF_SUPPORT

# ifndef _STDIO_H_INCLUDED_

#  include <stdio.h>

#  define _STDIO_H_INCLUDED_

# endif

# ifndef _SYS_TYPES_H_INCLUDED_

#  include <sys/types.h>

#  define _SYS_TYPES_H_INCLUDED_

# endif

  /* use inline string macros */

# define __STRINGDEFS__

# include "linuxIntern.h"

# ifndef WANT_SYSTEM

#  define WANT_SYSTEM

# endif

# define WANT_SHM

# define HAS_SETENV

# define HAS_UNSETENV

# include <time.h>

#endif

#if defined(IRIX5) || defined(ultrix) || defined(hpux) || defined(solaris)

# define WANT_SYSTEM

#endif

#if defined(SYSV4) && defined(__i386__) /* e.g. unixware */

# define WANT_SYSTEM

#endif

#if defined __osx__

# define NET_IF_SUPPORT

#endif

/*

 * notice: although many systems' include files

 * already block against multiple inclusion, some

 * do not. Therefore, this is done here again.

 * (it does not hurt)

 */

#ifdef WANT_REALPATH

# ifndef NO_SYS_PARAM_H

#  include <sys/param.h>

#  define _SYS_PARAM_H_INCLUDED_

# endif

# include <errno.h>

# define _ERRNO_H_INCLUDED_

# include <sys/stat.h>

# define _SYS_STAT_H_INCLUDED_

#endif /* WANT_REALPATH */

#ifdef WANT_SHM

# include <sys/types.h>

# define _SYS_TYPES_H_INCLUDED_

# include <sys/ipc.h>

# define _SYS_IPC_H_INCLUDED_

# include <sys/shm.h>

# define _SYS_SHM_H_INCLUDED_

#endif /* WANT_SHM */

#ifdef IRIX5

# include <sys/syssgi.h>

#endif

#ifdef transputer

# define unlink(f)      ((remove(f) == 0) ? 0 : -1)

#else /* not transputer */

# ifndef _SIGNAL_H_INCLUDED_

#  include <signal.h>

#  define _SIGNAL_H_INCLUDED_

# endif

# ifdef SYSV

#  ifndef _SYS_TYPES_H_INCLUDED_

#   include <sys/types.h>

#   define _SYS_TYPES_H_INCLUDED_

#  endif

#  ifndef _SYS_PARAM_H_INCLUDED_

#   ifndef NO_SYS_PARAM_H

#    include <sys/param.h>

#    define _SYS_PARAM_H_INCLUDED_

#   endif

#  endif

#  ifndef _SYS_TIMES_H_INCLUDED_

#   include <sys/times.h>

#   define _SYS_TIMES_H_INCLUDED_

#  endif

#  ifndef _SYS_FILE_H_INCLUDED_

#   include <sys/file.h>

#   define _SYS_FILE_H_INCLUDED_

#  endif

#  ifndef _UNISTD_H_INCLUDED_

#   include <unistd.h>

#   define _UNISTD_H_INCLUDED_

#  endif

#  ifndef _TIME_H_INCLUDED_

#   include <time.h>

#   define _TIME_H_INCLUDED_

#  endif

# else /* not SYSV */

#  ifndef _SYS_TIME_H_INCLUDED_

#   include <sys/time.h>

#   define _SYS_TIME_H_INCLUDED_

#  endif

#  ifndef _SYS_TYPES_H_INCLUDED_

#   include <sys/types.h>

#   define _SYS_TYPES_H_INCLUDED_

#  endif

# endif /* not SYSV */

# ifdef aix

#  ifndef _TIME_H_INCLUDED_

#   include <time.h>

#   define _TIME_H_INCLUDED_

#  endif

#  ifndef _SYS_SELECT_H_INCLUDED_

#   include <sys/select.h>

#   define _SYS_SELECT_H_INCLUDED_

#  endif

# endif /* aix */

# ifdef __osx__

#  include <time.h>

#  define HAS_TIMEGM

struct tm {

	int     tm_sec;         /* seconds after the minute [0-60] */

	int     tm_min;         /* minutes after the hour [0-59] */

	int     tm_hour;        /* hours since midnight [0-23] */

	int     tm_mday;        /* day of the month [1-31] */

	int     tm_mon;         /* months since January [0-11] */

	int     tm_year;        /* years since 1900 */

	int     tm_wday;        /* days since Sunday [0-6] */

	int     tm_yday;        /* days since January 1 [0-365] */

	int     tm_isdst;       /* Daylight Savings Time flag */

	long    tm_gmtoff;      /* offset from CUT in seconds */

	char    *tm_zone;       /* timezone abbreviation */

};

#  include <crt_externs.h>

#  include <net/if_dl.h>

# endif /* __osx__ */

# ifndef _STDIO_H_INCLUDED_

#  include <stdio.h>

#  define _STDIO_H_INCLUDED_

# endif

# ifndef _PWD_H_INCLUDED_

#  include <pwd.h>

#  define _PWD_H_INCLUDED_

# endif

# ifndef NO_GRP_H

#  ifndef _GRP_H_INCLUDED_

#   include <grp.h>

#   define _GRP_H_INCLUDED_

#  endif

# endif

# ifndef _SYS_STAT_H_INCLUDED_

#  include <sys/stat.h>

#  define _SYS_STAT_H_INCLUDED_

# endif

# ifndef _SYS_FILE_H_INCLUDED_

#  include <sys/file.h>

#  define _SYS_FILE_H_INCLUDED_

# endif

# ifndef _ERRNO_H_INCLUDED_

#  include <errno.h>

#  define _ERRNO_H_INCLUDED_

# endif

# ifndef _FCNTL_H_INCLUDED_

#  include <fcntl.h>

#  define _FCNTL_H_INCLUDED_

# endif

# ifndef _SYS_IOCTL_H_INCLUDED_

#  include <sys/ioctl.h>

#  define _SYS_IOCTL_H_INCLUDED_

# endif

# if defined(LINUX)

#  define HAS_LOCALECONV

# endif

# if defined (HAS_LOCALECONV)

#  ifndef _LOCALE_H_INCLUDED_

#   include <locale.h>

#   define _LOCALE_H_INCLUDED_

#  endif

# endif

# if defined (HAS_FTIME)

#  include <sys/timeb.h>

# endif

/*

 * posix systems should define these ...

 * but on some (older) systems, they are not.

 */

# ifndef S_IXUSR

#  ifdef S_IEXEC

#   define S_IXUSR S_IEXEC

#   define S_IXGRP (S_IEXEC>>3)

#   define S_IXOTH (S_IEXEC>>6)

#  endif

# endif

# ifndef S_IXUSR

#  define S_IXUSR 0100

#  define S_IXGRP 0010

#  define S_IXOTH 0001

# endif

# ifndef S_IRUSR

#  define S_IRUSR 0400

#  define S_IRGRP 0040

#  define S_IROTH 0004

# endif

# ifndef S_IWUSR

#  define S_IWUSR 0200

#  define S_IWGRP 0020

#  define S_IWOTH 0002

# endif

# ifndef MAXPATHLEN

#  ifndef NO_SYS_PARAM_H

#   include <sys/param.h>

#  endif

#  ifndef MAXPATHLEN

#   ifdef PATH_MAX

#    define MAXPATHLEN PATH_MAX

#   else

#    define MAXPATHLEN 1024

#   endif

#  endif

# endif

# if defined(HAS_UNAME)

#  include <sys/utsname.h>

# endif

# if defined(SYSV4)

#  include <stropts.h>

# endif

# ifndef aix

#  include <sys/termios.h>

# endif

/*

 * NeXT has no pid_t

 * and no sigemptyset

 */

# ifdef NEXT3

   typedef int pid_t;

#  define sigemptyset(set)      ((*(set) = 0L), 0)

#  define HAS_GETDOMAINNAME

#  define NO_WAITPID

# endif

# ifdef sunos

#  undef NO_WAITPID

#  undef HAS_WAITPID

#  define HAS_WAIT3

#  define HAS_SIGACTION

# endif

/*

 * some (BSD ?) have no timezone global,

 * but provide the info in struct timezone.

 */

# if defined(ultrix) || defined(sunos) || defined(NEXT)

#  define HAS_NO_TIMEZONE

# endif

# if defined(__osx__)

#  define HAS_NO_TIMEZONE

# endif

/*

 * sigaction dummies (you won't believe these call themself ``POSIX'' systems ...)

 */

# ifndef SA_RESTART

#  define SA_RESTART    0

# endif

# ifndef SA_SIGINFO

#  define SA_SIGINFO    0

# endif

# if defined(HAS_WAITPID) || defined(HAS_WAIT3)

#  include <sys/wait.h>

# endif

# if defined(HAS_SYSINFO)

#  include <sys/systeminfo.h>

# endif

# ifdef LINUX

#  include <linux/kernel.h>

# endif

# if defined(HAS_GETSYSINFO)

#  include <sys/sysinfo.h>

#  include <machine/hal_sysinfo.h>

#  include <machine/hal/cpuconf.h>

# endif

# if defined(HAS_SYSCONF)

#  ifndef _UNISTD_H_INCLUDED_

#   include <unistd.h>

#   define _UNISTD_H_INCLUDED_

#  endif

# endif

# if defined(HAS_SYSCTL)

#  include <sys/types.h>

#  include <sys/sysctl.h>

# endif

#endif /* not transputer */

#ifndef NO_SOCKET

# define __USE_GNU      // For AI_IDN in netdb.h

# include <netdb.h>

#endif

/*

 * on some systems errno is a macro ... check for it here

 */

#ifndef errno

 extern errno;

#endif

/*

 * some (old ?) systems do not define this ...

 */

#if !defined(R_OK) && !defined(_AIX)

# define R_OK    4       /* Test for Read permission */

# define W_OK    2       /* Test for Write permission */

# define X_OK    1       /* Test for eXecute permission */

# define F_OK    0       /* Test for existence of File */

#endif

#define SIGHANDLER_ARG

#ifdef sunos

# define NO_WAITPID

#endif

#ifdef NEXT

# define NO_WAITPID

#endif

/*

 * where is the timezone info ?

 */

#ifdef HAS_TM_GMTOFF

# define TIMEZONE(tmPtr)       (-((tmPtr)->tm_gmtoff))

#else

# if defined(HAS_NO_TIMEZONE)

#  if defined(HAS_NO_TM_GMTOFF)

#   define TIMEZONE(tmPtr)       0

#  else

#   define TIMEZONE(tmPtr)       (-((tmPtr)->tm_gmtoff))

#  endif

# else

#  if defined(HAS_ALTZONE)

#   define TIMEZONE(tmPtr)       ((tmPtr)->tm_isdst == 0 ? timezone : altzone)

#  else  /*!HAS_ALTZONE*/

#   define TIMEZONE(tmPtr)       ((tmPtr)->tm_isdst == 0 ? timezone : timezone-3600)

#  endif /*!HAS_ALTZONE*/

# endif

#endif

#ifndef CONST

# ifdef __GNUC__

#  define CONST const

# else

#  define CONST /* nothing */

# endif

#endif

#ifndef        FORK

# if defined(HAS_VFORK)