make it possible to compile new versions of db that load against

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

diff --git a/usr/src/lib/libc/sys/_exit.2 b/usr/src/lib/libc/sys/_exit.2
index 28070df..00af2d8 100644 (file)
--- a/usr/src/lib/libc/sys/_exit.2
+++ b/usr/src/lib/libc/sys/_exit.2
@@ -1,19 +1,19 @@
-.\" Copyright (c) 1980 Regents of the University of California.
-.\" All rights reserved.
+.\" Copyright (c) 1980, 1993
+.\"    The Regents of the University of California.  All rights reserved.

 .\"
 .\" %sccs.include.redist.man%
 .\"
 .\"
 .\" %sccs.include.redist.man%
 .\"

-.\"     @(#)_exit.2    6.7 (Berkeley) %G%
+.\"     @(#)_exit.2    8.1 (Berkeley) %G%

 .\"
 .Dd 
 .\"
 .Dd 

-.Dt _EXIT 2
+.Dt EXIT 2

 .Os BSD 4
 .Sh NAME
 .Nm _exit
 .Nd terminate the calling process
 .Sh SYNOPSIS
 .Fd #include <unistd.h>
 .Os BSD 4
 .Sh NAME
 .Nm _exit
 .Nd terminate the calling process
 .Sh SYNOPSIS
 .Fd #include <unistd.h>

-.Ft void volatile
+.Ft void

 .Fn _exit "int status"
 .Sh DESCRIPTION
 The
 .Fn _exit "int status"
 .Sh DESCRIPTION
 The


@@ -29,13 +29,13 @@ a process in this state may not be killed, as it is already dying.
 If the parent process of the calling process has an outstanding
 .Xr wait
 call
 If the parent process of the calling process has an outstanding
 .Xr wait
 call

-or is interested in the
+or catches the

 .Dv SIGCHLD
 signal,
 it is notified of the calling process's termination and
 the
 .Em status
 .Dv SIGCHLD
 signal,
 it is notified of the calling process's termination and
 the
 .Em status

-area is set as defined by
+is set as defined by

 .Xr wait 2 .
 .It
 The parent process-ID of all of the calling process's existing child
 .Xr wait 2 .
 .It
 The parent process-ID of all of the calling process's existing child


@@ -43,8 +43,26 @@ processes are set to 1; the initialization process
 (see the DEFINITIONS section of
 .Xr intro 2 )
 inherits each of these processes.
 (see the DEFINITIONS section of
 .Xr intro 2 )
 inherits each of these processes.

-Any stopped children are restarted with a hangup signal
-.Pq Dv SIGHUP .
+.It
+If the termination of the process causes any process group
+to become orphaned (usually because the parents of all members
+of the group have now exited; see
+.Dq orphaned process group
+in
+.Xr intro 2 ) ,
+and if any member of the orphaned group is stopped,
+the
+.Dv SIGHUP
+signal and the
+.Dv SIGCONT
+signal are sent to all members of the newly-orphaned process group.
+.It
+If the process is a controlling process (see
+.Xr intro 2 ) ,
+the
+.Dv SIGHUP
+signal is sent to the foreground process group of the controlling terminal,
+and all current access to the controlling terminal is revoked.

 .El
 .Pp
 Most C programs call the library routine
 .El
 .Pp
 Most C programs call the library routine


@@ -61,8 +79,8 @@ can never return.
 .Xr sigvec 2 ,
 .Xr wait 2 ,
 .Xr exit 3
 .Xr sigvec 2 ,
 .Xr wait 2 ,
 .Xr exit 3

-.Sh HISTORY
-An
-.Nm exit
-function call appeared in
-.At v6 .
+.Sh STANDARDS
+The
+.Nm _exit
+function is defined by
+.St -p1003.1-88 .