From: Junio C Hamano <gitster@pobox.com>
To: "Carlo Marcelo Arenas Belón via GitGitGadget" <gitgitgadget@gmail.com>
Cc: git@vger.kernel.org,
"Carlo Marcelo Arenas Belón" <carenas@gmail.com>,
"Chris Torek" <chris.torek@gmail.com>
Subject: Re: [PATCH v2 1/3] compat/posix.h: track SA_RESTART fallback
Date: Wed, 25 Jun 2025 09:07:15 -0700 [thread overview]
Message-ID: <xmqq4iw3yfd8.fsf@gitster.g> (raw)
In-Reply-To: <e82b7425bbc2540fa5ef3fd4584e6f902485d064.1750836928.git.gitgitgadget@gmail.com> ("Carlo Marcelo Arenas Belón via GitGitGadget"'s message of "Wed, 25 Jun 2025 07:35:26 +0000")
"Carlo Marcelo Arenas Belón via GitGitGadget"
<gitgitgadget@gmail.com> writes:
> +# Define USE_NON_POSIX_SIGNAL if don't have support for SA_RESTART or
> +# prefer using ANSI C signal() over POSIX sigaction()
> +
> +AC_CACHE_CHECK([whether SA_RESTART is supported], [ac_cv_siginterrupt], [
> + AC_COMPILE_IFELSE(
> + [AC_LANG_PROGRAM([#include <signal.h>], [[
> + #ifdef SA_RESTART
> + #endif
> + siginterrupt(SIGCHLD, 1)
This is curious. What is this #ifdef/#endif doing that does not
have anything in it?
> + ]])],[ac_cv_siginterrupt=yes],[
> + ac_cv_siginterrupt=no
> + USE_NON_POSIX_SIGNAL=UnfortunatelyYes
> + ]
> + )
> +])
> +GIT_CONF_SUBST([USE_NON_POSIX_SIGNAL])
next prev parent reply other threads:[~2025-06-25 16:07 UTC|newest]
Thread overview: 70+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-06-24 14:08 [PATCH 0/3] daemon: explicitly allow EINTR during poll() Carlo Marcelo Arenas Belón via GitGitGadget
2025-06-24 14:08 ` [PATCH 1/3] compat/posix.h: track SA_RESTART fallback Carlo Marcelo Arenas Belón via GitGitGadget
2025-06-24 15:34 ` Junio C Hamano
2025-06-24 16:28 ` Junio C Hamano
2025-06-24 14:08 ` [PATCH 2/3] daemon: use sigaction() to install child_handler() Carlo Marcelo Arenas Belón via GitGitGadget
2025-06-24 15:37 ` Junio C Hamano
2025-06-24 22:29 ` Carlo Marcelo Arenas Belón
2025-06-24 23:27 ` Chris Torek
2025-06-24 16:20 ` Junio C Hamano
2025-06-24 21:28 ` Carlo Marcelo Arenas Belón
2025-06-24 21:32 ` Junio C Hamano
2025-06-24 14:08 ` [PATCH 3/3] daemon: explicitly allow EINTR during poll() Carlo Marcelo Arenas Belón via GitGitGadget
2025-06-24 14:33 ` Carlo Marcelo Arenas Belón
2025-06-24 15:43 ` Junio C Hamano
2025-06-25 7:35 ` [PATCH v2 0/3] " Carlo Marcelo Arenas Belón via GitGitGadget
2025-06-25 7:35 ` [PATCH v2 1/3] compat/posix.h: track SA_RESTART fallback Carlo Marcelo Arenas Belón via GitGitGadget
2025-06-25 16:07 ` Junio C Hamano [this message]
2025-06-25 22:24 ` Carlo Marcelo Arenas Belón
2025-06-26 0:33 ` Junio C Hamano
2025-06-26 1:35 ` Carlo Marcelo Arenas Belón
2025-06-26 0:45 ` Junio C Hamano
2025-06-25 7:35 ` [PATCH v2 2/3] daemon: use sigaction() to install child_handler() Carlo Marcelo Arenas Belón via GitGitGadget
2025-06-25 16:06 ` Junio C Hamano
2025-06-25 16:22 ` Junio C Hamano
2025-06-25 7:35 ` [PATCH v2 3/3] daemon: explicitly allow EINTR during poll() Carlo Marcelo Arenas Belón via GitGitGadget
2025-06-25 16:11 ` Junio C Hamano
2025-06-25 8:39 ` [PATCH v2 0/3] " Phillip Wood
2025-06-25 16:24 ` Junio C Hamano
2025-06-25 19:35 ` Phillip Wood
2025-06-26 18:24 ` [RFC PATCH] daemon: add a self pipe to trigger reaping of children Carlo Marcelo Arenas Belón
2025-06-26 21:22 ` [RFC PATCH 0/2] daemon: tracking childs without signals Carlo Marcelo Arenas Belón
2025-06-26 21:22 ` [RFC PATCH 1/2] run-command: add a pipe() write end to childs Carlo Marcelo Arenas Belón
2025-06-26 21:22 ` [RFC PATCH 2/2] daemon: poor man's pidfd like POC Carlo Marcelo Arenas Belón
2025-06-27 8:38 ` [RFC PATCH] daemon: add a self pipe to trigger reaping of children Phillip Wood
2025-06-28 6:19 ` Carlo Marcelo Arenas Belón
2025-07-01 13:38 ` Phillip Wood
2025-06-30 15:16 ` Junio C Hamano
2025-06-25 16:07 ` [PATCH v2 0/3] daemon: explicitly allow EINTR during poll() Junio C Hamano
2025-06-26 8:50 ` Carlo Marcelo Arenas Belón
2025-06-26 8:53 ` [PATCH v3 0/4] " Carlo Marcelo Arenas Belón via GitGitGadget
2025-06-26 8:53 ` [PATCH v3 1/4] compat/posix.h: track SA_RESTART fallback Carlo Marcelo Arenas Belón via GitGitGadget
2025-06-27 1:41 ` Junio C Hamano
2025-06-26 8:53 ` [PATCH v3 2/4] compat/mingw: allow sigaction(SIGCHLD) Carlo Marcelo Arenas Belón via GitGitGadget
2025-06-26 12:52 ` Phillip Wood
2025-06-26 13:15 ` Carlo Marcelo Arenas Belón
2025-06-26 13:56 ` Phillip Wood
2025-06-26 14:58 ` Carlo Marcelo Arenas Belón
2025-06-26 15:19 ` phillip.wood123
2025-06-26 20:09 ` Carlo Marcelo Arenas Belón
2025-07-09 14:13 ` Phillip Wood
2025-07-09 16:36 ` Carlo Marcelo Arenas Belón
2025-06-26 8:53 ` [PATCH v3 3/4] daemon: use sigaction() to install child_handler() Carlo Marcelo Arenas Belón via GitGitGadget
2025-06-26 13:11 ` Phillip Wood
2025-06-26 15:33 ` Junio C Hamano
2025-06-26 16:36 ` Carlo Marcelo Arenas Belón
2025-06-26 18:04 ` Phillip Wood
2025-07-07 22:14 ` Junio C Hamano
2025-06-26 8:53 ` [PATCH v3 4/4] daemon: explicitly allow EINTR during poll() Carlo Marcelo Arenas Belón via GitGitGadget
2025-06-26 13:14 ` Phillip Wood
2025-07-09 14:12 ` [PATCH v3 0/4] " Phillip Wood
2025-07-09 17:04 ` Carlo Marcelo Arenas Belón
2025-07-10 19:45 ` [PATCH v4 0/2] " Carlo Marcelo Arenas Belón via GitGitGadget
2025-07-10 19:45 ` [PATCH v4 1/2] compat/mingw: allow sigaction(SIGCHLD) Carlo Marcelo Arenas Belón via GitGitGadget
2025-07-10 21:38 ` Eric Sunshine
2025-07-10 19:45 ` [PATCH v4 2/2] daemon: use sigaction() to install child_handler() Carlo Marcelo Arenas Belón via GitGitGadget
2025-07-10 21:26 ` [PATCH v4 0/2] daemon: explicitly allow EINTR during poll() Junio C Hamano
2025-07-10 23:18 ` Carlo Arenas
2025-07-11 13:14 ` Phillip Wood
2025-07-14 21:52 ` Junio C Hamano
2025-07-15 9:29 ` Phillip Wood
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