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From: Martin Buchholz <martinrb@google.com>
To: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Cc: Zack Weinberg <zackw@panix.com>,
	GNU C Library <libc-alpha@sourceware.org>
Subject: Re: system and popen fail in case of big application
Date: Tue, 18 Sep 2018 02:18:00 -0000	[thread overview]
Message-ID: <CA+kOe0-eLA3kgmeqZ8JONcfm_+RehGR+zr+NZkywqDt_Eb1RYA@mail.gmail.com> (raw)
In-Reply-To: <fc6876a8-0821-5fd7-baba-70d65c9ec1f8@linaro.org>

On Mon, Sep 17, 2018 at 6:58 PM, Adhemerval Zanella
<adhemerval.zanella@linaro.org> wrote:

> But from a QoI standpoint O_CLOEXEC is still the better option. And f we
> aim to add such extension on posix_spawn, I will expect we also push for
> some kernel support.

Yes.

Most programmers can set the CLOEXEC flag on most descriptors most of
the time, but we can never reach "all".

> There are reports where trying to interacting over
> all possible FD takes a lot of time [1].

See bottom of
https://markmail.org/message/6ede5ocuow5aba6i
in concurrent discussion

  reply	other threads:[~2018-09-18  2:18 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-09-09 22:16 Sergey Melnikov
2018-09-09 22:44 ` Zack Weinberg
2018-09-09 22:47   ` Zack Weinberg
2018-09-09 23:27     ` Sergey Melnikov
2018-09-09 23:49       ` Zack Weinberg
2018-09-10  2:50         ` Martin Buchholz
2018-09-10 15:38       ` Joseph Myers
2018-09-10 15:42         ` Zack Weinberg
2018-09-10 15:43           ` Joseph Myers
     [not found]       ` <CA+kOe0_1k_PbJ-pjHznP4AmTJUgziAdT+4vCcCRSb7GGdvbv7Q@mail.gmail.com>
2018-09-10 15:59         ` Zack Weinberg
2018-09-10 16:55           ` Martin Buchholz
2018-09-11 20:16   ` Adhemerval Zanella
2018-09-12 16:30     ` Zack Weinberg
2018-09-12 19:46       ` Martin Buchholz
2018-09-13  1:27         ` Adhemerval Zanella
2018-09-13  6:31           ` Andreas Schwab
2018-09-13 12:30             ` Adhemerval Zanella
2018-09-18  1:18           ` Martin Buchholz
2018-09-18  1:59             ` Adhemerval Zanella
2018-09-18  2:18               ` Martin Buchholz [this message]
2018-09-18  4:31               ` Rich Felker
2018-09-12 23:08       ` Adhemerval Zanella
2018-09-13 12:11       ` Szabolcs Nagy
2018-09-14 18:42         ` Zack Weinberg
2018-09-17 10:32           ` Szabolcs Nagy
2018-09-17 18:27             ` Adhemerval Zanella

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