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Sprite 1984 - 1993
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Sprite 1984 - 1993.iso
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unixSyscall
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RCS
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fork.c,v
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1991-12-10
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117 lines
head 1.2;
branch ;
access ;
symbols sprited:1.2.1;
locks ; strict;
comment @ * @;
1.2
date 88.07.29.17.39.25; author ouster; state Exp;
branches 1.2.1.1;
next 1.1;
1.1
date 88.06.19.14.31.18; author ouster; state Exp;
branches ;
next ;
1.2.1.1
date 91.12.10.15.46.49; author kupfer; state Exp;
branches ;
next ;
desc
@@
1.2
log
@Lint.
@
text
@/*
* fork.c --
*
* Procedure to map from Unix fork system call to Sprite.
*
* Copyright (C) 1986 Regents of the University of California
* All rights reserved.
*/
#ifndef lint
static char rcsid[] = "$Header: fork.c,v 1.1 88/06/19 14:31:18 ouster Exp $ SPRITE (Berkeley)";
#endif not lint
#include "sprite.h"
#include "status.h"
#include "proc.h"
#include "compatInt.h"
/*
*----------------------------------------------------------------------
*
* fork --
*
* Procedure to map from Unix fork system call to Sprite Proc_Fork.
*
* Results:
* UNIX_ERROR is returned upon error, with the actual error code
* stored in errno. Upon success, the value of pid is returned,
* where pid is different for child and parent. The parent receives
* the process id of the child in pid, and the child receives the
* value 0.
*
* Side effects:
* A new process is created.
*
*----------------------------------------------------------------------
*/
int
fork()
{
ReturnStatus status; /* result returned by Proc_Fork */
int pid; /* process id of child, or 0, set by Proc_Fork */
/* Fork without sharing the heap. */
status = Proc_Fork(FALSE, &pid);
if (status == PROC_CHILD_PROC) {
return(0);
}
if (status != SUCCESS) {
errno = Compat_MapCode(status);
return(UNIX_ERROR);
}
return((int) pid);
}
@
1.2.1.1
log
@Initial branch for Sprite server.
@
text
@d11 1
a11 1
static char rcsid[] = "$Header: /sprite/src/lib/c/unixSyscall/RCS/fork.c,v 1.2 88/07/29 17:39:25 ouster Exp $ SPRITE (Berkeley)";
@
1.1
log
@Initial revision
@
text
@d11 1
a11 1
static char rcsid[] = "$Header: fork.c,v 1.3 86/07/07 15:10:55 douglis Exp $ SPRITE (Berkeley)";
d45 1
a45 1
Proc_PID pid; /* process id of child, or 0, set by Proc_Fork */
@