162306a36Sopenharmony_ci// SPDX-License-Identifier: GPL-2.0 262306a36Sopenharmony_ci/* 362306a36Sopenharmony_ci * Copyright (C) 2019 Arm Limited 462306a36Sopenharmony_ci * Original author: Dave Martin <Dave.Martin@arm.com> 562306a36Sopenharmony_ci */ 662306a36Sopenharmony_ci 762306a36Sopenharmony_ci#include "system.h" 862306a36Sopenharmony_ci#include "signal.h" 962306a36Sopenharmony_ci 1062306a36Sopenharmony_ciint sigemptyset(sigset_t *s) 1162306a36Sopenharmony_ci{ 1262306a36Sopenharmony_ci unsigned int i; 1362306a36Sopenharmony_ci 1462306a36Sopenharmony_ci for (i = 0; i < _NSIG_WORDS; ++i) 1562306a36Sopenharmony_ci s->sig[i] = 0; 1662306a36Sopenharmony_ci 1762306a36Sopenharmony_ci return 0; 1862306a36Sopenharmony_ci} 1962306a36Sopenharmony_ci 2062306a36Sopenharmony_ciint sigaddset(sigset_t *s, int n) 2162306a36Sopenharmony_ci{ 2262306a36Sopenharmony_ci if (n < 1 || n > _NSIG) 2362306a36Sopenharmony_ci return -EINVAL; 2462306a36Sopenharmony_ci 2562306a36Sopenharmony_ci s->sig[(n - 1) / _NSIG_BPW] |= 1UL << (n - 1) % _NSIG_BPW; 2662306a36Sopenharmony_ci return 0; 2762306a36Sopenharmony_ci} 2862306a36Sopenharmony_ci 2962306a36Sopenharmony_ciint sigaction(int n, struct sigaction *sa, const struct sigaction *old) 3062306a36Sopenharmony_ci{ 3162306a36Sopenharmony_ci return syscall(__NR_rt_sigaction, n, sa, old, sizeof(sa->sa_mask)); 3262306a36Sopenharmony_ci} 3362306a36Sopenharmony_ci 3462306a36Sopenharmony_ciint sigprocmask(int how, const sigset_t *mask, sigset_t *old) 3562306a36Sopenharmony_ci{ 3662306a36Sopenharmony_ci return syscall(__NR_rt_sigprocmask, how, mask, old, sizeof(*mask)); 3762306a36Sopenharmony_ci} 38