Date: Sat, 25 Oct 2014 14:11:36 -0600 From: Ian Lepore <ian@FreeBSD.org> To: John Baldwin <jhb@FreeBSD.org> Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org Subject: Re: svn commit: r273644 - head/share/man/man3 Message-ID: <1414267896.12052.652.camel@revolution.hippie.lan> In-Reply-To: <201410251931.s9PJVYIk080552@svn.freebsd.org> References: <201410251931.s9PJVYIk080552@svn.freebsd.org>
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On Sat, 2014-10-25 at 19:31 +0000, John Baldwin wrote: > Author: jhb > Date: Sat Oct 25 19:31:34 2014 > New Revision: 273644 > URL: https://svnweb.freebsd.org/changeset/base/273644 > > Log: > Clarify that pthread_cleanup_push()/pop() are implemented as macros that > create a new code block and thus must be balanced at the same lexical > scope. (This is also a requirement in POSIX.) > > PR: 194280 > Submitted by: dr2867.business@pacbell.net > MFC after: 1 week > > Modified: > head/share/man/man3/pthread_cleanup_pop.3 > head/share/man/man3/pthread_cleanup_push.3 > > Modified: head/share/man/man3/pthread_cleanup_pop.3 > ============================================================================== > --- head/share/man/man3/pthread_cleanup_pop.3 Sat Oct 25 19:01:02 2014 (r273643) > +++ head/share/man/man3/pthread_cleanup_pop.3 Sat Oct 25 19:31:34 2014 (r273644) > @@ -27,7 +27,7 @@ > .\" > .\" $FreeBSD$ > .\" > -.Dd July 30, 1998 > +.Dd October 25, 2014 > .Dt PTHREAD_CLEANUP_POP 3 > .Os > .Sh NAME > @@ -50,6 +50,14 @@ If there is no cleanup routine > then > .Fn pthread_cleanup_pop > does nothing. > +.Pp > +The > +.Fn pthread_cleanup_push Should be pop? -- Ian > +function is implemented as a macro that closes a block. > +Invocations of this function must appear as standalone statements that are > +paired with an earlier call of > +.Xr pthread_cleanup_push 3 > +in the same lexical scope. > .Sh RETURN VALUES > The > .Fn pthread_cleanup_pop > > Modified: head/share/man/man3/pthread_cleanup_push.3 > ============================================================================== > --- head/share/man/man3/pthread_cleanup_push.3 Sat Oct 25 19:01:02 2014 (r273643) > +++ head/share/man/man3/pthread_cleanup_push.3 Sat Oct 25 19:31:34 2014 (r273644) > @@ -27,7 +27,7 @@ > .\" > .\" $FreeBSD$ > .\" > -.Dd July 30, 1998 > +.Dd October 25, 2014 > .Dt PTHREAD_CLEANUP_PUSH 3 > .Os > .Sh NAME > @@ -52,6 +52,14 @@ When > is called, it is passed > .Fa arg > as its only argument. > +.Pp > +The > +.Fn pthread_cleanup_push > +function is implemented as a macro that opens a new block. > +Invocations of this function must appear as standalone statements that are > +paired with a later call of > +.Xr pthread_cleanup_pop 3 > +in the same lexical scope. > .Sh RETURN VALUES > The > .Fn pthread_cleanup_push >
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