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signal: Add __libc_sigaction

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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.
This commit is contained in:
Adhemerval Zanella
2021-03-15 15:23:40 -03:00
parent d5ddd583da
commit a894053318
14 changed files with 48 additions and 23 deletions
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32
sysdeps/unix/sysv/linux/sparc/sparc64/libc_sigaction.c Normal file
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/* 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>