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DAEMON (3) | C library functions | Unix Manual Pages | :man

NAME

daemon - run in the background

CONTENTS

Library
Synopsis
Description
Return Values
Errors
See Also
History
Caveats

LIBRARY


.Lb libc

SYNOPSIS


.In stdlib.h int daemon "int nochdir" "int noclose"

DESCRIPTION

The daemon function is for programs wishing to detach themselves from the controlling terminal and run in the background as system daemons.

Unless the argument nochdir is non-zero, daemon changes the current working directory to the root (/).

Unless the argument noclose is non-zero, daemon will redirect standard input, standard output, and standard error to /dev/null.

RETURN VALUES


.Rv -std daemon

ERRORS

The daemon function may fail and set errno for any of the errors specified for the library functions fork(2) and setsid(2).

SEE ALSO

fork(2), setsid(2), sigaction(2)

HISTORY

CAVEATS

setsid(2) fork(2) _exit(2)


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