/*
Copyright (c) 1993 Xerox Corporation.  All rights reserved.
*/
/*
$Id$

$Date$
 *
 * PCR OS description
 */

#ifndef __PCR_OS_h
#define __PCR_OS_h 1

/*
 * OS names -- define *only* the one(s) that apply.
 */

#define PCR_OS_IRIX4_0
#define PCR_OS_name		"IRIX 4.0"

#   define PCR_OS_IRIX4

#   define PCR_OS_IRIX

/*
 *
 * Dimensions of "generic" OS variation ...
 *
 *   these should *all* be defined with appropriate values.
 */


/*
 * I/O
 */

/* the evil-but-ubiquitous ioctl */
#define PCR_OS_IOCTL		1

/* standard SV poll */
#define PCR_OS_POLL		1
#   define PCR_OS_ENOSTR	1

/* standard BSD select */
#define PCR_OS_SELECT		1

/* generate SIGPOLL on I/O ready */
#define PCR_OS_SIGPOLL		1
#   define PCR_OS_IOCTL_SETSIG	1

/* generate SIGIO on I/O ready */
#define PCR_OS_SIGIO		1
#   define PCR_OS_FCNTL_FASYNC	1
#   define PCR_OS_FCNTL_F_SETOWN	1

/* has SIGURG -- treat this like SIGIO/SIGPOLL */
#define PCR_OS_SIGURG		1

/* has non-POSIX error produced by some non-blocking I/O */
/* (must be numerically distinct from EAGAIN) */
#define PCR_OS_EWOULDBLOCK	1

/* has (f)sync */
#define PCR_OS_SYNC		1
#define PCR_OS_FSYNC		1

/* has fchmod */
#define PCR_OS_FCHMOD		1

/* has fchown */
#define PCR_OS_FCHOWN		1

/* has (f)truncate */
#define PCR_OS_TRUNCATE		1
#define PCR_OS_FTRUNCATE	1

/* has symbolic links */
#define PCR_OS_SYMLINK		1
#define PCR_OS_READLINK		1
#   define PCR_OS_ELOOP		1

/* has BSD compatible socket interface */
#define PCR_OS_SOCKET		1
#   define PCR_OS_EINPROGRESS	1
#   define PCR_OS_EALREADY	1
#   define PCR_OS_EISCONN	1

/* Sys V streams stuff */
#define PCR_OS_STREAMS		1

/*
 * job control
 */

/* can generate SIGCHLD on child termination */
#define PCR_OS_SIGCHLD		0

/*
 * shared memory / protection
 */

/* fixed page size */
#define PCR_OS_PAGESIZE		0

/* dynamic page size */
#define PCR_OS_GETPAGESIZE	1
#define PCR_OS_SC_PAGESIZE	0

/* BSD shm stuff */
#define PCR_OS_MPROTECT		0
#define PCR_OS_MMAP		1

/* Sys V shm stuff */
#define PCR_OS_SHMOPS		1

/*
 * allowable stack location
 */

#define PCR_OS_SP_IN_HEAP	1


/*
 * timer
 */

#define PCR_OS_ITIMER		1
/* should implement use of POSIX real time stuff preferentially */

/*
 * strerror
 */

#define PCR_OS_STRERROR		1


/*
 * dynamic loading/shared library interface ...
 */

#define PCR_OS_DLOPEN			0
    /* SVR4-like dlopen() */
#   define PCR_OS_DLOPEN_STRCMP		0
    /* simple string compare inhibits second dlopen() */

/*
 * symbol name conventions
 */
#define PCR_OS_CSYMCVT_ID		1
    /* ld symbol identical to C external */
#define PCR_OS_CSYMCVT_PREPEND__	0
    /* ld symbol is C external prefixed by '_' */


/*
 * Default incremental loader id
 */

#undef	PCR_OS_DEFAULT_ILRDR_DLOPEN
#undef	PCR_OS_DEFAULT_ILRDR_ADOTOUT

#endif /* !__PCR_OS_h */

/*
$Log$
*/