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- date 88.12.31.11.37.45; author ouster; state Exp;
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- @Change header name from EXIT to _EXIT.
- @
- text
- @.\" Copyright (c) 1980 Regents of the University of California.
- .\" All rights reserved. The Berkeley software License Agreement
- .\" specifies the terms and conditions for redistribution.
- .\"
- .\" @@(#)exit.2 6.4 (Berkeley) 5/22/86
- .\"
- .TH _EXIT 2 "May 22, 1986"
- .UC 4
- .SH NAME
- _exit \- terminate a process
- .SH SYNOPSIS
- .nf
- .ft B
- _exit(status)
- int status;
- .fi
- .SH DESCRIPTION
- .I _exit
- terminates a process with the following consequences:
- .in +5n
- .PP
- All of the descriptors open in the calling process are closed.
- This may entail delays, for example, waiting for output to drain;
- a process in this state may not be killed, as it is already dying.
- .PP
- If the parent process of the calling process is executing a
- .I wait
- or is interested in the SIGCHLD signal,
- then it is notified of the calling process's termination and
- the low-order eight bits of \fIstatus\fP are made available to it;
- see
- .IR wait (2).
- .PP
- The parent process ID of all of the calling process's existing child
- processes are also set to 1. This means that the initialization process
- (see
- .IR intro (2))
- inherits each of these processes as well.
- Any stopped children are restarted with a hangup signal (SIGHUP).
- .in -5n
- .PP
- Most C programs call the library routine
- .IR exit (3),
- which performs cleanup actions in the standard I/O library before
- calling \fI_exit\fP\|.
- .SH "RETURN VALUE"
- This call never returns.
- .SH "SEE ALSO"
- fork(2), sigvec(2), wait(2), exit(3)
- @
-
-
- 1.1
- log
- @Initial revision
- @
- text
- @d7 1
- a7 1
- .TH EXIT 2 "May 22, 1986"
- @
-