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Re: [RFC v2 08/20] sysdeps/wait: Use waitid if avaliable

From: Zack Weinberg <zackw at panix dot com>
To: Alistair Francis <alistair dot francis at wdc dot com>, GNU C Library <libc-alpha at sourceware dot org>
Date: Tue, 25 Jun 2019 06:55:37 -0400
Subject: Re: [RFC v2 08/20] sysdeps/wait: Use waitid if avaliable
References: <cover.1561421042.git.alistair.francis@wdc.com> <2df9d3878359585ac1cc46243fb6664f7a50b3b3.1561421042.git.alistair.francis@wdc.com>

On Mon, Jun 24, 2019 at 8:12 PM Alistair Francis
<alistair.francis@wdc.com> wrote:
>
> If the waitid syscall is avaliable let's use that as waitpid
> and wait4 aren't always avaliable (they aren't avaliable on RV32).

wait4 does something that can't be done any other way (retrieve
resource usage information), RV32 should have it.

zw

Follow-Ups:
- Re: [RFC v2 08/20] sysdeps/wait: Use waitid if avaliable
  - From: Florian Weimer

References:
- [RFC v2 00/20] RISC-V glibc port for the 32-bit
  - From: Alistair Francis
- [RFC v2 08/20] sysdeps/wait: Use waitid if avaliable
  - From: Alistair Francis

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