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From: Duy Nguyen <pclouds@gmail.com>
To: Andres Perera <andres.p@zoho.com>
Cc: Git Mailing List <git@vger.kernel.org>,
	Ramkumar Ramachandra <artagnon@gmail.com>,
	Junio C Hamano <gitster@pobox.com>, Johannes Sixt <j6t@kdbg.org>
Subject: Re: [PATCH v4] gc: reject if another gc is running, unless --force is given
Date: Sat, 10 Aug 2013 07:45:38 +0700	[thread overview]
Message-ID: <CACsJy8D8EHpPGrc8MZnpvmh1j1LDudoZ0OO-zyfuDmhwLJqNsA@mail.gmail.com> (raw)
In-Reply-To: <CAPrKj1bO1jBsv73beA6LoeN09S-jWq8FYOP+WQ-AFwb1dn4Wsw@mail.gmail.com>

On Fri, Aug 9, 2013 at 11:29 PM, Andres Perera <andres.p@zoho.com> wrote:
> On Thu, Aug 8, 2013 at 6:35 AM, Nguyễn Thái Ngọc Duy <pclouds@gmail.com> wrote:
>> +       uintmax_t pid;
>
> pid_t is always an signed type, therefore unintmax_t does not make
> sense as a catch all value

I only catch real process id. In practice we don't have processes with
negative pid_t, do we? I can't find any document about this, but at
least waitpid seems to treat negative pid (except -1) just as an
indicator while the true pid is the positive counterpart.

> fork() returns -1 on failure, and its return type is pid_t. i don't
> know what fantasy unix system has an unsigned pid_t
-- 
Duy

  parent reply	other threads:[~2013-08-10  0:46 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-08-03  4:20 [PATCH] gc: reject if another gc is running, unless --force is given Nguyễn Thái Ngọc Duy
2013-08-03  6:21 ` [PATCH v2] " Nguyễn Thái Ngọc Duy
2013-08-03  7:52   ` Ramkumar Ramachandra
2013-08-03 10:01     ` Duy Nguyen
2013-08-03  9:49   ` Johannes Sixt
2013-08-03 10:01     ` Duy Nguyen
2013-08-03 10:40       ` Johannes Sixt
2013-08-05 14:19   ` [PATCH v3] " Nguyễn Thái Ngọc Duy
2013-08-05 18:17     ` Junio C Hamano
2013-08-05 18:37       ` Ramkumar Ramachandra
2013-08-06  6:43         ` Junio C Hamano
2013-08-06  6:45           ` Ramkumar Ramachandra
2013-08-08 11:05     ` [PATCH v4] " Nguyễn Thái Ngọc Duy
2013-08-08 18:12       ` Junio C Hamano
2013-08-09 12:52         ` Duy Nguyen
2013-08-09 16:00           ` Junio C Hamano
2013-08-09 16:29       ` Andres Perera
2013-08-09 17:41         ` Junio C Hamano
2013-08-10  0:45         ` Duy Nguyen [this message]
2013-08-10  7:11           ` Andreas Schwab

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