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- /*
- * unix.h --
- * UNIX operating system definitions.
- *
- * Note:
- * This file is for the Sun UNIX OPERATING SYSTEM 3.4 or 3.5 or 3.6!!!
- *
- * Identification:
- * $Header: /private/postgres/src/lib/H/tmp/RCS/unix.h,v 1.7 1990/11/14 08:34:11 kemnitz Exp $
- */
-
- #ifndef UNIXIncluded /* Include this file only once */
- #define UNIXIncluded 1
-
- #include <sys/types.h>
-
- #include "tmp/c.h"
-
- /*
- * HostSystemPort --
- * Unbuffered system I/O port.
- */
- typedef int HostSystemPort;
-
- /*
- * HostSystemFileMode --
- * File mode.
- */
- typedef int HostSystemFileMode;
-
- /*
- * HostSystemByteCount --
- * Number of bytes--used in calls to read, write, etc.
- */
- typedef int HostSystemByteCount;
-
- /*
- * HostSystemFilePosition --
- * Number of bytes from beginning of file.
- */
- typedef long HostSystemFilePosition;
-
- /*
- * HostSystemFileOffset --
- * Number of offset bytes for lseek.
- */
- typedef long HostSystemFileOffset;
-
- /*
- * HostSystemTime --
- * Time in seconds from the UNIX epoch.
- */
- typedef time_t HostSystemTime;
-
- /*
- * open --
- * open(2)
- */
- extern
- HostSystemPort
- open ARGS((
- const String path,
- const int flags,
- const HostSystemFileMode mode
- ));
-
- /*
- * close --
- * close(2)
- */
- extern
- void
- close ARGS((
- const HostSystemPort port
- ));
-
- /*
- * read --
- * read(2)
- *
- * Note:
- * String may not be proper usage here.
- */
- extern
- HostSystemByteCount
- read ARGS((
- const HostSystemPort port,
- const String buffer,
- const HostSystemByteCount numberBytes
- ));
-
- /*
- * write --
- * write(2)
- *
- * Note:
- * String may not be proper usage here.
- */
- extern
- HostSystemByteCount
- write ARGS((
- const HostSystemPort port,
- const String buffer,
- const HostSystemByteCount numberBytes
- ));
-
- /*
- * lseek --
- * lseek(2)
- */
- extern
- HostSystemFilePosition
- lseek ARGS((
- const HostSystemPort port,
- const HostSystemFileOffset offset,
- const int whence
- ));
-
- /*
- * time --
- * time(3)
- */
- extern
- HostSystemTime
- time ARGS((
- HostSystemTime *tloc
- ));
-
- /*
- * These tests can be made more strict given a particular compiler.
- *
- * XXX Someday, this should go into the compiler port directory.
- */
- #ifndef __SABER__
- #define PointerIsToDynamicData(pointer) ((bool)((char *)(pointer) >= end))
- #define PointerIsToStaticData(pointer) ((bool)((char *)(pointer) < end))
- #else
- #define PointerIsToDynamicData(pointer) (true)
- #define PointerIsToStaticData(pointer) (true)
- #endif
-
- #endif /* !defined(UNIXIncluded) */
-