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From: Adhemerval Zanella <adhemerval.zanella@linaro.org>
To: libc-alpha@sourceware.org, Christian Brauner <brauner@kernel.org>
Subject: [PATCH v2 1/9] linux: Do not reset signal handler in posix_spawn if it is already SIG_DFL
Date: Fri, 30 Sep 2022 16:26:05 -0300	[thread overview]
Message-ID: <20220930192613.3491147-2-adhemerval.zanella@linaro.org> (raw)
In-Reply-To: <20220930192613.3491147-1-adhemerval.zanella@linaro.org>

There is no need to issue another sigaction is the disposition is
already SIG_DFL.

Checked on x86_64-linux-gnu.
---
 sysdeps/unix/sysv/linux/spawni.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sysdeps/unix/sysv/linux/spawni.c b/sysdeps/unix/sysv/linux/spawni.c
index ee843a2247..65ee03c804 100644
--- a/sysdeps/unix/sysv/linux/spawni.c
+++ b/sysdeps/unix/sysv/linux/spawni.c
@@ -129,7 +129,7 @@ __spawni_child (void *arguments)
 	  else
 	    {
 	      __libc_sigaction (sig, 0, &sa);
-	      if (sa.sa_handler == SIG_IGN)
+	      if (sa.sa_handler == SIG_IGN || sa.sa_handler == SIG_DFL)
 		continue;
 	      sa.sa_handler = SIG_DFL;
 	    }
-- 
2.34.1


  reply	other threads:[~2022-09-30 19:26 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-09-30 19:26 [PATCH v2 0/9] Optimize posix_spawn signal setup with clone3 Adhemerval Zanella
2022-09-30 19:26 ` Adhemerval Zanella [this message]
2023-01-11 21:06   ` [PATCH v2 1/9] linux: Do not reset signal handler in posix_spawn if it is already SIG_DFL Carlos O'Donell
2022-09-30 19:26 ` [PATCH v2 2/9] linux: Add clone3 CLONE_CLEAR_SIGHAND optimization to posix_spawn Adhemerval Zanella
2023-01-11 21:06   ` Carlos O'Donell
2022-09-30 19:26 ` [PATCH v2 3/9] powerpc64le: Add the clone3 wrapper Adhemerval Zanella
2022-09-30 19:26 ` [PATCH v2 4/9] aarch64: " Adhemerval Zanella
2022-11-02 12:12   ` Szabolcs Nagy
2022-11-03 13:15     ` Adhemerval Zanella Netto
2022-11-03 14:01       ` Szabolcs Nagy
2022-11-03 16:22         ` Adhemerval Zanella Netto
2022-11-03 16:31           ` Szabolcs Nagy
2022-11-03 16:39             ` Adhemerval Zanella Netto
2022-11-03 16:52               ` Szabolcs Nagy
2022-11-03 16:55                 ` Adhemerval Zanella Netto
2022-11-03 20:55                   ` H.J. Lu
2022-11-03 21:28                     ` Adhemerval Zanella Netto
2022-11-03 21:22                   ` Adhemerval Zanella Netto
2022-11-03 21:58                     ` H.J. Lu
2022-11-04 12:32                       ` Adhemerval Zanella Netto
2022-09-30 19:26 ` [PATCH v2 5/9] s390x: " Adhemerval Zanella
2022-09-30 19:26 ` [PATCH v2 6/9] riscv: " Adhemerval Zanella
2022-09-30 19:26 ` [PATCH v2 7/9] arm: " Adhemerval Zanella
2022-09-30 19:26 ` [PATCH v2 8/9] mips: " Adhemerval Zanella
2022-09-30 19:26 ` [PATCH v2 9/9] Linux: optimize clone3 internal usage Adhemerval Zanella
2023-01-11 21:12   ` Carlos O'Donell
2022-10-27 16:48 ` [PATCH v2 0/9] Optimize posix_spawn signal setup with clone3 Adhemerval Zanella Netto
2023-01-11 21:11 ` Carlos O'Donell

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