From mboxrd@z Thu Jan 1 00:00:00 1970
From: bugzilla-daemon-590EEB7GvNiWaY/ihj7yzEB+6BGkLq7r@public.gmane.org
Subject: [Bug 53781] New: [PATCH] close.2: Mention a need of shutdown before
closing socket
Date: Wed, 13 Feb 2013 13:50:00 +0000 (UTC)
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https://bugzilla.kernel.org/show_bug.cgi?id=53781
URL: http://thread.gmane.org/gmane.linux.man/2075
Summary: [PATCH] close.2: Mention a need of shutdown before
closing socket
Product: Documentation
Version: unspecified
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: man-pages
AssignedTo: documentation_man-pages-ztI5WcYan/vQLgFONoPN62D2FQJk+8+b@public.gmane.org
ReportedBy: pschiffe-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org
CC: lczerner-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org
Regression: No
Created an attachment (id=93221)
--> (https://bugzilla.kernel.org/attachment.cgi?id=93221)
close.2.patch
Simply calling close() is not sufficient if the recv(), or read() is
blocking on another thread. That is because the recv() or read() will not be
notified that the descriptor has been closed. This can only be done via
shutdown().
This behaviour is different than on Solaris where simple close()
is sufficient to kill recv() or read() on another thread.
See attached reproducer of this problem from additional info.
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