From: Florian Weimer <fweimer@redhat.com>
Date: Sun, 9 Feb 2020 14:44:59 +0000 (+0100)
Subject: Linux: sigaltstack syscall number is always available
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a19e646fd70d38f688a41daf15650f56d66cd7d9;p=thirdparty%2Fglibc.git

Linux: sigaltstack syscall number is always available

Due to the built-in tables, __NR_sigaltstack is always defined.
---

diff --git a/sysdeps/unix/sysv/linux/sigstack.c b/sysdeps/unix/sysv/linux/sigstack.c
index 2f75e2643ad..32a378bd269 100644
--- a/sysdeps/unix/sysv/linux/sigstack.c
+++ b/sysdeps/unix/sysv/linux/sigstack.c
@@ -22,7 +22,6 @@
 #include <sys/syscall.h>
 
 
-#ifdef __NR_sigaltstack
 int
 sigstack (struct sigstack *ss, struct sigstack *oss)
 {
@@ -61,6 +60,3 @@ sigstack (struct sigstack *ss, struct sigstack *oss)
 }
 
 link_warning (sigstack, "the `sigstack' function is dangerous.  `sigaltstack' should be used instead.")
-#else
-# include <signal/sigstack.c>
-#endif