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Annotation of 43BSDTahoe/man/man2/exit.2, revision 1.1

1.1     ! root        1: .\" Copyright (c) 1980 Regents of the University of California.
        !             2: .\" All rights reserved.  The Berkeley software License Agreement
        !             3: .\" specifies the terms and conditions for redistribution.
        !             4: .\"
        !             5: .\"    @(#)exit.2      6.4 (Berkeley) 5/22/86
        !             6: .\"
        !             7: .TH EXIT 2 "May 22, 1986"
        !             8: .UC 4
        !             9: .SH NAME
        !            10: _exit \- terminate a process
        !            11: .SH SYNOPSIS
        !            12: .nf
        !            13: .ft B
        !            14: _exit(status)
        !            15: int status;
        !            16: .fi
        !            17: .SH DESCRIPTION
        !            18: .I _exit
        !            19: terminates a process with the following consequences:
        !            20: .in +5n
        !            21: .PP
        !            22: All of the descriptors open in the calling process are closed.
        !            23: This may entail delays, for example, waiting for output to drain;
        !            24: a process in this state may not be killed, as it is already dying.
        !            25: .PP
        !            26: If the parent process of the calling process is executing a
        !            27: .I wait
        !            28: or is interested in the SIGCHLD signal,
        !            29: then it is notified of the calling process's termination and
        !            30: the low-order eight bits of \fIstatus\fP are made available to it;
        !            31: see
        !            32: .IR wait (2).
        !            33: .PP
        !            34: The parent process ID of all of the calling process's existing child
        !            35: processes are also set to 1.  This means that the initialization process
        !            36: (see 
        !            37: .IR intro (2))
        !            38: inherits each of these processes as well.
        !            39: Any stopped children are restarted with a hangup signal (SIGHUP).
        !            40: .in -5n
        !            41: .PP
        !            42: Most C programs call the library routine
        !            43: .IR exit (3),
        !            44: which performs cleanup actions in the standard I/O library before
        !            45: calling \fI_exit\fP\|.
        !            46: .SH "RETURN VALUE"
        !            47: This call never returns.
        !            48: .SH "SEE ALSO"
        !            49: fork(2), sigvec(2), wait(2), exit(3)

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