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/* Compatibility symbols for old versions of signal.h.
Copyright (C) 2017-2025 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/>. */
#include <signal.h>
#include <sigsetops.h>
#include <shlib-compat.h>
/* These were formerly defined by <signal.h> as inline functions,
so they require out-of-line compatibility definitions. */
#if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_26)
int
attribute_compat_text_section
__sigismember_compat (const __sigset_t *set, int sig)
{
return __sigismember (set, sig);
}
compat_symbol (libc, __sigismember_compat, __sigismember, GLIBC_2_0);
int
attribute_compat_text_section
__sigaddset_compat (__sigset_t *set, int sig)
{
__sigaddset (set, sig);
return 0;
}
compat_symbol (libc, __sigaddset_compat, __sigaddset, GLIBC_2_0);
int
attribute_compat_text_section
__sigdelset_compat (__sigset_t *set, int sig)
{
__sigdelset (set, sig);
return 0;
}
compat_symbol (libc, __sigdelset_compat, __sigdelset, GLIBC_2_0);
#endif
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