lib/glibc
1
0
Fork 0
mirror of https://sourceware.org/git/glibc.git synced 2025-07-28 00:21:52 +03:00
Code Activity

signal: Add __libc_sigaction

Browse Source 
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
Download Patch File Download Diff File Expand all files Collapse all files

39
sysdeps/unix/sysv/linux/arm/libc_sigaction.c Normal file
View File

@ -0,0 +1,39 @@
/* Copyright (C) 1997-2021 Free Software Foundation, Inc.
This file is part of the GNU C Library.
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/>. */
#define SA_RESTORER 0x04000000
extern void __default_sa_restorer (void);
extern void __default_rt_sa_restorer (void);
#define SET_SA_RESTORER(kact, act) \
({ \
if ((kact)->sa_flags & SA_RESTORER) \
(kact)->sa_restorer = (act)->sa_restorer; \
else \
{ \
(kact)->sa_restorer = ((kact)->sa_flags & SA_SIGINFO) \
? __default_rt_sa_restorer \
: __default_sa_restorer; \
(kact)->sa_flags |= SA_RESTORER; \
} \
})
#define RESET_SA_RESTORER(act, kact) \
(act)->sa_restorer = (kact)->sa_restorer;
#include <sysdeps/unix/sysv/linux/libc_sigaction.c>