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From: Chet Ramey <chet.ramey@case.edu>
To: Chen Gang <gang.chen.5i5j@gmail.com>,
	       Andreas Schwab <schwab@linux-m68k.org>
Cc: chet.ramey@case.edu, palves@redhat.com,
	gdb-patches@sourceware.org,        binutils@sourceware.org,
	bug-readline@gnu.org, amodra@gmail.com
Subject: Re: [Bug-readline] [PATCH] readline/histfile.c: Check and retry write() operation in history_truncate_file()
Date: Wed, 18 Jun 2014 20:33:00 -0000	[thread overview]
Message-ID: <53A1F78A.8020508@case.edu> (raw)
In-Reply-To: <5397C077.1080702@gmail.com>

On 6/10/14, 10:35 PM, Chen Gang wrote:
> For regular file, write() operation may also fail, so check it too. If
> write() return 0, can simply wait and try again, it should not suspend
> infinitely if environments have no critical issues.

Readline-6.3 checks the return value from write() and returns a non-zero
value to the history_truncate_file caller.  I really don't think that
waiting forever if write continues to return 0 is a great idea; an error
return is enough to let the caller deal with it.

Chet

-- 
``The lyf so short, the craft so long to lerne.'' - Chaucer
		 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, ITS, CWRU    chet@case.edu    http://cnswww.cns.cwru.edu/~chet/


  reply	other threads:[~2014-06-18 20:33 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-06-11  2:36 Chen Gang
2014-06-18 20:33 ` Chet Ramey [this message]
2014-06-19  1:31   ` [Bug-readline] " Chen Gang
2014-06-20  8:58     ` Chen Gang
2014-06-20 21:53       ` Chet Ramey
2014-06-21  2:25         ` Chen Gang
2014-06-21 23:19           ` Chet Ramey
2014-06-22  2:01             ` Chen Gang
2014-06-23 13:57               ` Chet Ramey
2014-06-23 14:59                 ` Chen Gang
2014-06-25 22:16                   ` Chen Gang

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