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* [glibc/azanella/posix_spawn-clone3] linux: Do not reset signal handler in posix_spawn if it is already SIG_DFL
@ 2022-11-29 21:20 Adhemerval Zanella
  0 siblings, 0 replies; only message in thread
From: Adhemerval Zanella @ 2022-11-29 21:20 UTC (permalink / raw)
  To: glibc-cvs

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f337a4430947ff13a36859220d86e671e90d6444

commit f337a4430947ff13a36859220d86e671e90d6444
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date:   Wed Sep 28 17:26:42 2022 -0300

    linux: Do not reset signal handler in posix_spawn if it is already SIG_DFL
    
    There is no need to issue another sigaction is the disposition is
    already SIG_DFL.
    
    Checked on x86_64-linux-gnu.

Diff:
---
 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;
 	    }

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