BSD 4_3_Net_2 release

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

diff --git a/usr/src/lib/libc/sys/getpid.2 b/usr/src/lib/libc/sys/getpid.2
index 2110569..7d4ad17 100644 (file)
--- a/usr/src/lib/libc/sys/getpid.2
+++ b/usr/src/lib/libc/sys/getpid.2
@@ -1,33 +1,72 @@
-.\" Copyright (c) 1980 Regents of the University of California.
-.\" All rights reserved.  The Berkeley software License Agreement
-.\" specifies the terms and conditions for redistribution.
+.\" Copyright (c) 1980, 1991 Regents of the University of California.
+.\" All rights reserved.

 .\"
 .\"

-.\"    @(#)getpid.2    6.3 (Berkeley) 5/13/86
+.\" 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.

 .\"
 .\"

-.TH GETPID 2 "May 13, 1986"
-.UC 4
-.SH NAME
-getpid, getppid \- get process identification
-.SH SYNOPSIS
-.ft B
-.nf
-pid = getpid()
-int pid;
-.sp
-ppid = getppid()
-int ppid;
-.fi
-.ft R
-.SH DESCRIPTION
-.I Getpid
+.\" 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.
+.\"
+.\"     @(#)getpid.2   6.4 (Berkeley) 3/10/91
+.\"
+.Dd March 10, 1991
+.Dt GETPID 2
+.Os BSD 4
+.Sh NAME
+.Nm getpid ,
+.Nm getppid
+.Nd get parent or calling process identification
+.Sh SYNOPSIS
+.Fd #include <unistd.h>
+.Ft pid_t
+.Fn getpid void
+.Ft pid_t
+.Fn getppid void
+.Sh DESCRIPTION
+.Fn Getpid

 returns
 the process ID of
 returns
 the process ID of

-the current process.
-Most often it is used
-to generate uniquely-named temporary files.
-.PP
-.I Getppid
+the calling process.
+The ID is guaranteed to be unique and is
+useful for constructing temporary file names.
+.Pp
+.Fn Getppid

 returns the process ID of the parent
 returns the process ID of the parent

-of the current process. 
-.SH "SEE ALSO
-gethostid(2)
+of the calling process. 
+.Sh ERRORS
+The
+.Fn getpid
+and
+.Fn getppid
+functions are always successful, and no return value is reserved to
+indicate an error.
+.Sh SEE ALSO
+.Xr gethostid 2
+.Sh STANDARDS
+.Fn Getpid
+and
+.Fn getppid
+conform to IEEE Std 1003.1-1988
+.Pq Dq Tn POSIX .