home *** CD-ROM | disk | FTP | other *** search
- /*
- * os.h --
- * Operating system definitions.
- *
- * Note:
- * This file is OPERATING SYSTEM dependent!!!
- *
- * Identification:
- * $Header: /private/postgres/src/lib/H/tmp/RCS/os.h,v 1.6 1990/08/17 08:54:47 cimarron Exp $
- */
-
- #ifndef OSIncluded /* Include this file only once */
- #define OSIncluded 1
-
- #include "tmp/c.h"
- #include "tmp/unix.h" /* UNIX operating system definitions */
-
- /*
- * SystemPort --
- * Unbuffered system I/O port.
- */
- typedef HostSystemPort SystemPort;
-
- /*
- * SystemFileMode --
- * File mode.
- */
- typedef HostSystemFileMode SystemFileMode;
-
- /*
- * SystemByteCount --
- * Number of bytes--used in calls to read, write, etc.
- */
- typedef HostSystemByteCount SystemByteCount;
-
- /*
- * SystemFilePosition --
- * Number of bytes from beginning of file.
- */
- typedef HostSystemFilePosition SystemFilePosition;
-
- /*
- * SystemFileOffset --
- * Number of offset bytes for lseek.
- */
- typedef HostSystemFileOffset SystemFileOffset;
-
- /*
- * SystemTime --
- * Time in seconds.
- */
- typedef HostSystemTime SystemTime;
-
- /*
- * open --
- * open(2)
- */
- extern
- SystemPort
- OpenSystemPortFile ARGS((
- const String path,
- const int flags,
- const SystemFileMode mode
- ));
-
- /*
- * close --
- * close(2)
- */
- extern
- void
- CloseSystemPort ARGS((
- const SystemPort port
- ));
-
- /*
- * read --
- * read(2)
- *
- * Note:
- * String may not be proper usage here.
- */
- extern
- SystemByteCount
- SystemPortRead ARGS((
- const SystemPort port,
- const String buffer,
- const SystemByteCount numberBytes
- ));
-
- /*
- * write --
- * write(2)
- *
- * Note:
- * String may not be proper usage here.
- */
- extern
- SystemByteCount
- SystemPortWrite ARGS((
- const SystemPort port,
- const String buffer,
- const SystemByteCount numberBytes
- ));
-
- /*
- * lseek --
- * lseek(2)
- */
- extern
- SystemFilePosition
- SystemPortSeek ARGS((
- const SystemPort port,
- const SystemFileOffset offset,
- const int whence
- ));
-
- /*
- * GetSystemTime --
- * Returns system time.
- */
- SystemTime
- GetSystemTime ARGS((
- void
- ));
-
- /*
- * PointerIsToStaticData --
- * PointerIsToDynamicData --
- * True iff pointer points to memory allocated at compile-time or
- * run-time, respectively.
- *
- * Note:
- * This is compiler and operating system dependent.
- * Look in "unix.h", etc. for the appropriate definition.
- */
-
- #endif /* !defined(OSIncluded) */
-