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Improve wording describing the behavior of the attributes argument, and

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add reference to pthread_attr(3), as requested in PR 42871. The text
added is different from but based on a suggestion by Matthew Mondor.
This commit is contained in:
dholland 2010-06-07 04:36:34 +00:00
parent c751d2d518
commit 4035b6ee7d
1 changed files with 15 additions and 5 deletions
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20
lib/libpthread/pthread_create.3
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@ -1,4 +1,4 @@
.\" $NetBSD: pthread_create.3,v 1.5 2008/05/02 18:11:04 martin Exp $
.\" $NetBSD: pthread_create.3,v 1.6 2010/06/07 04:36:34 dholland Exp $
.\"
.\" Copyright (c) 2002 The NetBSD Foundation, Inc.
.\" All rights reserved.
@ -54,7 +54,7 @@
.\"
.\" $FreeBSD: src/lib/libpthread/man/pthread_create.3,v 1.16 2002/09/16 19:29:28 mini Exp $
.\"
.Dd January 30, 2003
.Dd June 6, 2010
.Dt PTHREAD_CREATE 3
.Os
.Sh NAME
@ -77,20 +77,29 @@ If
is
.Dv NULL ,
the default attributes are used.
If the attribute object pointed to by
.Pp
The attributes specified via
.Fa attr
are modified later, the thread's attributes are not affected.
are copied into the new thread.
Any subsequent modifications to the attributes object
.Fa attr
points to will have no effect upon already-created threads.
It is thus also safe to pass the same
.Fa attr
to multiple calls to
.Fn pthread_create .
.Pp
Upon
successful completion
.Fn pthread_create
will store the ID of the created thread in the location specified by
.Fa thread .
.Pp
The thread is created executing
.Fa start_routine
with
.Fa arg
as its sole argument.
.Pp
If the
.Fa start_routine
returns, the effect is as if there was an implicit call to
@ -138,6 +147,7 @@ is invalid.
.El
.Sh SEE ALSO
.Xr fork 2 ,
.Xr pthread_attr 3 ,
.Xr pthread_cleanup_pop 3 ,
.Xr pthread_cleanup_push 3 ,
.Xr pthread_exit 3 ,