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Note limited extent for reference to the pserialized object.

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riastradh 2016-01-26 01:09:56 +00:00
parent 6ed125fe67
commit 1c131ab803
1 changed files with 8 additions and 1 deletions
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9
share/man/man9/pserialize.9
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@ -1,4 +1,4 @@
.\" $NetBSD: pserialize.9,v 1.11 2016/01/26 01:05:17 riastradh Exp $ .\" $NetBSD: pserialize.9,v 1.12 2016/01/26 01:09:56 riastradh Exp $
.\" .\"
.\" Copyright (c) 2011 The NetBSD Foundation, Inc. .\" Copyright (c) 2011 The NetBSD Foundation, Inc.
.\" All rights reserved. .\" All rights reserved.
@ -117,6 +117,13 @@ Find a frotz, as a reader:
/* Fetch f before we fetch anything f points to. */ /* Fetch f before we fetch anything f points to. */
membar_datadep_consumer(); membar_datadep_consumer();
if (f->f_... == key) { if (f->f_... == key) {
/*
* Grab whatever part of the frotz we need.
* Note that we can't use the frotz after
* pserialize_read_exit, without a stronger
* kind of reference, say a reference count
* managed by atomic_ops(3).
*/
*resultp = f->f_...; *resultp = f->f_...;
error = 0; error = 0;
break; break;