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Re: Pretest next week

From: YAMAMOTO Mitsuharu
Subject: Re: Pretest next week
Date: Sat, 07 Mar 2009 09:48:09 +0900
User-agent: Wanderlust/2.14.0 (Africa) SEMI/1.14.6 (Maruoka) FLIM/1.14.8 (Shij┼Ź) APEL/10.6 Emacs/22.3 (sparc-sun-solaris2.8) MULE/5.0 (SAKAKI)

>>>>> On Fri, 06 Mar 2009 10:01:38 +0900, YAMAMOTO Mitsuharu <address@hidden> 
>>>>> said:

>> This causes a reentrant call to wait_reading_process_output, thence
>> a reentrant call to ns_select.  I've added a check in the latter to
>> shortcircuit in the reentrant case.

> I'm anxious whether the former reentrance (i.e.,
> wait_reading_process_output) is safe.

Because wait_reading_process_output also calls timer_check, its
reentrance would probably be OK.

Still, I think Feval calls from read_socket_hook and (emulated) select
are really bad.  Most developers assume that these functions (and some
higher-level ones such as detect_input_pending) don't call Feval, and
they may add some code without noticing that NS breaks such

                                     YAMAMOTO Mitsuharu

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