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a894053318
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.
40 lines
1.4 KiB
C
40 lines
1.4 KiB
C
/* Copyright (C) 1997-2021 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library. If not, see
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<https://www.gnu.org/licenses/>. */
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#define SA_RESTORER 0x04000000
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extern void __default_sa_restorer (void);
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extern void __default_rt_sa_restorer (void);
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#define SET_SA_RESTORER(kact, act) \
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({ \
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if ((kact)->sa_flags & SA_RESTORER) \
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(kact)->sa_restorer = (act)->sa_restorer; \
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else \
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{ \
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(kact)->sa_restorer = ((kact)->sa_flags & SA_SIGINFO) \
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? __default_rt_sa_restorer \
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: __default_sa_restorer; \
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(kact)->sa_flags |= SA_RESTORER; \
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} \
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})
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#define RESET_SA_RESTORER(act, kact) \
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(act)->sa_restorer = (kact)->sa_restorer;
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#include <sysdeps/unix/sysv/linux/libc_sigaction.c>
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