signal: Add __libc_sigaction

The generic implementation basically handle the system agnostic logic
(filtering out the invalid signals) while the __libc_sigaction is
the function with implements the system and architecture bits.

Checked on x86_64-linux-gnu and i686-linux-gnu.

1 files changed, 32 insertions, 0 deletions

diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/libc_sigaction.c b/sysdeps/unix/sysv/linux/sparc/sparc64/libc_sigaction.c
new file mode 100644
index 0000000000..6cfcf0a4cb
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/sparc/sparc64/libc_sigaction.c
@@ -0,0 +1,32 @@
+/* POSIX.1 sigaction call for Linux/SPARC64.
+   Copyright (C) 1997-2021 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Miguel de Icaza <miguel@nuclecu.unam.mx> and
+		  Jakub Jelinek <jj@ultra.linux.cz>.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <https://www.gnu.org/licenses/>.  */
+
+#include <string.h>
+#include <syscall.h>
+#include <sysdep.h>
+
+/* Defined on sigreturn_stub.S.  */
+void __rt_sigreturn_stub (void);
+
+#define STUB(act, sigsetsize) \
+  (((unsigned long) &__rt_sigreturn_stub) - 8),	\
+  (sigsetsize)
+
+#include <sysdeps/unix/sysv/linux/libc_sigaction.c>