BSD 4_4_Lite1 release

[unix-history] / usr / src / lib / libc / sys / execve.2

diff --git a/usr/src/lib/libc/sys/execve.2 b/usr/src/lib/libc/sys/execve.2
index 1ba96f9..ba47e6d 100644 (file)
--- a/usr/src/lib/libc/sys/execve.2
+++ b/usr/src/lib/libc/sys/execve.2
@@ -1,11 +1,37 @@
-.\" Copyright (c) 1980, 1991 Regents of the University of California.
-.\" All rights reserved.
+.\" Copyright (c) 1980, 1991, 1993
+.\"    The Regents of the University of California.  All rights reserved.

 .\"
 .\"

-.\" %sccs.include.redist.man%
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\"    notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\"    notice, this list of conditions and the following disclaimer in the
+.\"    documentation and/or other materials provided with the distribution.
+.\" 3. All advertising materials mentioning features or use of this software
+.\"    must display the following acknowledgement:
+.\"    This product includes software developed by the University of
+.\"    California, Berkeley and its contributors.
+.\" 4. Neither the name of the University nor the names of its contributors
+.\"    may be used to endorse or promote products derived from this software
+.\"    without specific prior written permission.

 .\"
 .\"

-.\"     @(#)execve.2   6.9 (Berkeley) %G%
+.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+.\" SUCH DAMAGE.

 .\"
 .\"

-.Dd 
+.\"     @(#)execve.2   8.3 (Berkeley) 1/24/94
+.\"
+.Dd January 24, 1994

 .Dt EXECVE 2
 .Os BSD 4
 .Sh NAME
 .Dt EXECVE 2
 .Os BSD 4
 .Sh NAME


@@ -14,7 +40,7 @@
 .Sh SYNOPSIS
 .Fd #include <unistd.h>
 .Ft int
 .Sh SYNOPSIS
 .Fd #include <unistd.h>
 .Ft int

-.Fn execve "const char *path" "const * char *argv" "const * char *envp"
+.Fn execve "const char *path" "char *const argv[]" "char *const envp[]"

 .Sh DESCRIPTION
 .Fn Execve
 transforms the calling process into a new process.
 .Sh DESCRIPTION
 .Fn Execve
 transforms the calling process into a new process.


@@ -43,7 +69,7 @@ When an interpreter file is
 .Fn execve Ap d ,
 the system
 .Fn execve Ap s
 .Fn execve Ap d ,
 the system
 .Fn execve Ap s

-the specified
+runs the specified

 .Em interpreter .
 If the optional
 .Em arg
 .Em interpreter .
 If the optional
 .Em arg


@@ -105,9 +131,15 @@ of the new process image file.
 If the set-group-ID mode bit of the new process image file is set,
 the effective group ID of the new process image is set to the group ID
 of the new process image file.
 If the set-group-ID mode bit of the new process image file is set,
 the effective group ID of the new process image is set to the group ID
 of the new process image file.

+(The effective group ID is the first element of the group list.)

 The real user ID, real group ID and
 The real user ID, real group ID and

-supplementary group IDs of the new process image remain the same as the calling
+other group IDs of the new process image remain the same as the calling

 process image.
 process image.

+After any set-user-ID and set-group-ID processing,
+the effective user ID is recorded as the saved set-user-ID,
+and the effective group ID is recorded as the saved set-group-ID.
+These values may be used in changing the effective IDs later (see
+.Xr setuid 2 ) .

 .Pp
 The new process also inherits the following attributes from
 the calling process:
 .Pp
 The new process also inherits the following attributes from
 the calling process: