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wiz 2006-01-16 23:58:43 +00:00
parent ac9c2323d2
commit a1cc6cb40c
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share/man/man9/RUN_ONCE.9
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@ -1,4 +1,4 @@
.\" $NetBSD: RUN_ONCE.9,v 1.3 2006/01/16 21:46:30 yamt Exp $
.\" $NetBSD: RUN_ONCE.9,v 1.4 2006/01/16 23:58:43 wiz Exp $
.\"
.\" Copyright (c)2005 YAMAMOTO Takashi,
.\" All rights reserved.
@ -46,13 +46,13 @@
.Fn RUN_ONCE
provides a functionality similar to
.Fn pthread_once 3 .
It ensures that successful execution of
It ensures that, for a given
.Fa control ,
.Fn init_func
is exactly once for given
.Fa control .
If and only if
is executed (successfully) exactly once.
It is considered as a successful execution if and only if
.Fn init_func
returned 0, it's considered as a successul execution.
returned 0.
.Pp
.Fn RUN_ONCE
can sleep if it's called concurrently.