38 lines
725 B
C
38 lines
725 B
C
|
// 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));
|
||
|
|
}
|