From: Adhemerval Zanella <adhemerval.zanella@linaro.org>
To: libc-alpha@sourceware.org,
Christian Brauner <christian.brauner@ubuntu.com>
Subject: [PATCH 1/7] linux: Do set signal handler if it is already SIG_DFL
Date: Wed, 28 Sep 2022 17:46:28 -0300 [thread overview]
Message-ID: <20220928204634.3036650-2-adhemerval.zanella@linaro.org> (raw)
In-Reply-To: <20220928204634.3036650-1-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
next prev parent reply other threads:[~2022-09-28 20:46 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-28 20:46 [PATCH 0/7] Optimize posix_spawn signal setup with clone3 Adhemerval Zanella
2022-09-28 20:46 ` Adhemerval Zanella [this message]
2022-09-28 20:46 ` [PATCH 2/7] linux: Add clone3 CLONE_CLEAR_SIGHAND optimization to posix_spawn Adhemerval Zanella
2022-09-28 20:46 ` [PATCH 3/7] powerpc64le: Add the clone3 wrapper Adhemerval Zanella
2022-09-28 20:46 ` [PATCH 4/7] aarch64: " Adhemerval Zanella
2022-09-28 20:46 ` [PATCH 5/7] s390x: " Adhemerval Zanella
2022-09-28 20:46 ` [PATCH 6/7] riscv: " Adhemerval Zanella
2022-09-28 20:46 ` [PATCH 7/7] Linux: optimize clone3 internal usage Adhemerval Zanella
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