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Sprite 1984 - 1993
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Sprite 1984 - 1993.iso
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unixSyscall
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dup.c,v
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1991-12-10
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127 lines
head 1.1;
branch ;
access ;
symbols sprited:1.1.1;
locks ; strict;
comment @ * @;
1.1
date 88.06.19.14.31.13; author ouster; state Exp;
branches 1.1.1.1;
next ;
1.1.1.1
date 91.12.10.15.42.14; author kupfer; state Exp;
branches ;
next ;
desc
@@
1.1
log
@Initial revision
@
text
@/*
* dup.c --
*
* Procedure to map from Unix dup system call to Sprite.
*
* Copyright (C) 1986 Regents of the University of California
* All rights reserved.
*/
#ifndef lint
static char rcsid[] = "$Header: dup.c,v 1.1 86/04/17 15:19:02 douglis Exp $ SPRITE (Berkeley)";
#endif not lint
#include "sprite.h"
#include "fs.h"
#include "compatInt.h"
/*
*----------------------------------------------------------------------
*
* dup --
*
* Procedure to map from Unix dup system call to Sprite Fs_GetNewID.
*
* Results:
* UNIX_ERROR is returned upon error, with the actual error code
* stored in errno. Upon success, the new file descriptor is returned.
*
* Side effects:
* A new open file descriptor is allocated for the process.
*
*----------------------------------------------------------------------
*/
int
dup(oldStreamID)
int oldStreamID; /* original stream identifier */
{
ReturnStatus status; /* result returned by Fs_GetNewID */
int newStreamID = FS_ANYID; /* new stream identifier */
status = Fs_GetNewID(oldStreamID, &newStreamID);
if (status != SUCCESS) {
errno = Compat_MapCode(status);
return(UNIX_ERROR);
} else {
return(newStreamID);
}
}
/*
*----------------------------------------------------------------------
*
* dup2 --
*
* Procedure to map from Unix dup2 system call to Sprite Fs_GetNewID.
*
* Results:
* UNIX_ERROR is returned upon error, with the actual error code
* stored in errno. Upon success, the new file descriptor is returned.
*
* Side effects:
* A new open file descriptor is allocated for the process.
*
*----------------------------------------------------------------------
*/
int
dup2(oldStreamID, newStreamID)
int oldStreamID; /* original stream identifier */
int newStreamID; /* new stream identifier */
{
ReturnStatus status; /* result returned by Fs_GetNewID */
status = Fs_GetNewID(oldStreamID, &newStreamID);
if (status != SUCCESS) {
errno = Compat_MapCode(status);
return(UNIX_ERROR);
} else {
return(UNIX_SUCCESS);
}
}
@
1.1.1.1
log
@Initial branch for Sprite server.
@
text
@d11 1
a11 1
static char rcsid[] = "$Header: /sprite/src/lib/c/unixSyscall/RCS/dup.c,v 1.1 88/06/19 14:31:13 ouster Exp $ SPRITE (Berkeley)";
@