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Sprite 1984 - 1993
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Sprite 1984 - 1993.iso
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c
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unixSyscall
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RCS
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execve.c,v
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1991-12-20
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137 lines
head 1.2;
branch ;
access ;
symbols sprited:1.2.1;
locks ; strict;
comment @ * @;
1.2
date 88.10.28.08.58.01; author ouster; state Exp;
branches 1.2.1.1;
next 1.1;
1.1
date 88.06.19.16.17.49; author ouster; state Exp;
branches ;
next ;
1.2.1.1
date 91.09.30.20.49.32; author kupfer; state Exp;
branches ;
next ;
desc
@@
1.2
log
@Added trap door to allow processes to be put into the debugger.
@
text
@/*
* execve.c --
*
* Procedure to emulate the UNIX execve kernel call under Sprite.
*
* Copyright (C) 1986 Regents of the University of California
* Permission to use, copy, modify, and distribute this
* software and its documentation for any purpose and without
* fee is hereby granted, provided that the above copyright
* notice appear in all copies. The University of California
* makes no representations about the suitability of this
* software for any purpose. It is provided "as is" without
* express or implied warranty.
*/
#ifndef lint
static char rcsid[] = "$Header: execve.c,v 1.1 88/06/19 16:17:49 ouster Exp $ SPRITE (Berkeley)";
#endif not lint
#include "sprite.h"
#include "proc.h"
#include "compatInt.h"
/*
* The variable below is a secret trap door that can be set
* to non-zero to force the next exec to put the process into
* the debugger before it executes its first instruction.
*/
int _execDebug = 0;
/*
*----------------------------------------------------------------------
*
* execve --
*
* Procedure to map from Unix execve system call to Sprite Proc_ExecEnv.
*
* Results:
* execve() should never return. If it does, however, UNIX_ERROR is
* returned.
*
* Side effects:
* Any open streams are closed, then the process invoking execve() is
* terminated.
*
*----------------------------------------------------------------------
*/
int
execve(name, argv, envp)
char *name; /* name of file to exec */
char *argv[]; /* array of arguments */
char *envp[]; /* array of environment pointers */
{
ReturnStatus status; /* result returned by Sprite system calls */
status = Proc_ExecEnv(name, argv, envp, _execDebug);
/*
* We should never reach this point, regardless of status value.
*/
errno = Compat_MapCode(status);
return(UNIX_ERROR);
}
@
1.2.1.1
log
@Initial branch for Sprite server.
@
text
@d17 1
a17 1
static char rcsid[] = "$Header: /sprite/src/lib/c/unixSyscall/RCS/execve.c,v 1.2 88/10/28 08:58:01 ouster Exp $ SPRITE (Berkeley)";
@
1.1
log
@Initial revision
@
text
@d17 1
a17 1
static char rcsid[] = "$Header: exec.c,v 1.1 88/06/19 14:31:15 ouster Exp $ SPRITE (Berkeley)";
d25 8
d60 1
a60 4
/*
* Call Proc_Exec with debugMe set to FALSE.
*/
status = Proc_ExecEnv(name, argv, envp, FALSE);
a64 4
/*
* For now return all low numbered error codes directly through because
* fs doesn't map the unix error codes to Sprite error codes.
*/
@