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// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2019 Arm Limited
* Original author: Dave Martin <Dave.Martin@arm.com>
*/
#include "system.h"
#include "signal.h"
int sigemptyset(sigset_t *s)
{
unsigned int i;
for (i = 0; i < _NSIG_WORDS; ++i)
s->sig[i] = 0;
return 0;
}
int sigaddset(sigset_t *s, int n)
{
if (n < 1 || n > _NSIG)
return -EINVAL;
s->sig[(n - 1) / _NSIG_BPW] |= 1UL << (n - 1) % _NSIG_BPW;
return 0;
}
int sigaction(int n, struct sigaction *sa, const struct sigaction *old)
{
return syscall(__NR_rt_sigaction, n, sa, old, sizeof(sa->sa_mask));
}
int sigprocmask(int how, const sigset_t *mask, sigset_t *old)
{
return syscall(__NR_rt_sigprocmask, how, mask, old, sizeof(*mask));
}
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