From: Josselin Poiret via Bug reports for GNU Guix <bug-guix@gnu.org>
To: "Ludovic Courtès" <ludo@gnu.org>,
"Christopher Baines" <mail@cbaines.net>
Cc: 55441@debbugs.gnu.org, Josselin Poiret <dev@jpoiret.xyz>
Subject: bug#55441: [PATCH 2/2] Improve thread safety of piped-process.
Date: Thu, 26 May 2022 22:50:47 +0200 [thread overview]
Message-ID: <20220526205047.23960-2-dev@jpoiret.xyz> (raw)
In-Reply-To: <87sfow10lc.fsf@jpoiret.xyz>
* libguile/posix.c (scm_piped_process): Avoid double close.
---
libguile/posix.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libguile/posix.c b/libguile/posix.c
index dc3080b3c..e134408e3 100644
--- a/libguile/posix.c
+++ b/libguile/posix.c
@@ -1486,7 +1486,7 @@ scm_piped_process (SCM prog, SCM args, SCM from, SCM to)
SCM_SYSERROR;
}
- if (reading)
+ if (reading && !(writing && c2p[1] == p2c[0]))
close (c2p[1]);
if (writing)
close (p2c[0]);
--
2.36.0
next prev parent reply other threads:[~2022-05-26 20:52 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <87fslcaznn.fsf@gmail.com>
[not found] ` <87mtfj174l.fsf@gnu.org>
2022-05-16 3:49 ` bug#55441: [cuirass] hang in "In progress..."; runs out of pgsql connections Maxim Cournoyer
2022-05-16 7:32 ` Mathieu Othacehe
2022-05-16 9:13 ` Ludovic Courtès
2022-05-16 10:32 ` Ludovic Courtès
2022-05-16 12:19 ` Ludovic Courtès
2022-05-16 17:32 ` Maxim Cournoyer
2022-05-17 7:45 ` Ludovic Courtès
2022-05-18 7:44 ` Ludovic Courtès
2022-05-20 18:32 ` Ludovic Courtès
2022-05-24 21:02 ` Ludovic Courtès
2022-05-25 16:32 ` Ludovic Courtès
2022-05-25 18:21 ` Ludovic Courtès
2022-05-25 23:13 ` Christopher Baines
2022-05-26 9:44 ` Ludovic Courtès
2022-05-26 20:49 ` Josselin Poiret via Bug reports for GNU Guix
2022-05-26 20:50 ` bug#55441: [PATCH] guix: inferior: Make open-bidirectional-pipe use piped-process Josselin Poiret via Bug reports for GNU Guix
2022-05-26 21:02 ` Maxime Devos
2022-05-28 17:15 ` Ludovic Courtès
2022-05-26 20:50 ` bug#55441: [PATCH 1/2] Fix child spawning closing standard fds prematurely Josselin Poiret via Bug reports for GNU Guix
2022-05-26 20:55 ` Maxime Devos
2022-05-26 20:50 ` Josselin Poiret via Bug reports for GNU Guix [this message]
2022-05-26 20:58 ` bug#55441: [cuirass] hang in "In progress..."; runs out of pgsql connections Maxime Devos
2022-05-28 14:02 ` Josselin Poiret via Bug reports for GNU Guix
2023-01-26 14:39 ` Ludovic Courtès
2022-05-26 12:29 ` Ludovic Courtès
2022-05-16 12:49 ` Maxim Cournoyer
2022-05-17 12:52 ` Ludovic Courtès
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