signal.h revision 8c59d96e243ba1a05d7d9ab7a14d1a00e20bad4a
11dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project/* 21dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * Copyright (C) 2008 The Android Open Source Project 31dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * All rights reserved. 41dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * 51dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * Redistribution and use in source and binary forms, with or without 61dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * modification, are permitted provided that the following conditions 71dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * are met: 81dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * * Redistributions of source code must retain the above copyright 91dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * notice, this list of conditions and the following disclaimer. 101dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * * Redistributions in binary form must reproduce the above copyright 111dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * notice, this list of conditions and the following disclaimer in 121dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * the documentation and/or other materials provided with the 131dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * distribution. 141dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * 151dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 161dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 171dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 181dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 191dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 201dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 211dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 221dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 231dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 241dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 251dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 261dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * SUCH DAMAGE. 271dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project */ 281dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#ifndef _SIGNAL_H_ 291dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define _SIGNAL_H_ 301dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 311dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#include <sys/cdefs.h> 321dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#include <limits.h> /* For LONG_BIT */ 331dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#include <string.h> /* For memset() */ 341dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#include <sys/types.h> 351dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#include <asm/signal.h> 361dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 371dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define __ARCH_SI_UID_T __kernel_uid32_t 381dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#include <asm/siginfo.h> 391dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#undef __ARCH_SI_UID_T 401dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 411dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project__BEGIN_DECLS 421dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 431dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projecttypedef int sig_atomic_t; 441dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 451dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project/* crepy NIG / _NSIG handling, just to be safe */ 461dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#ifndef NSIG 471dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project# define NSIG _NSIG 481dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#endif 491dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#ifndef _NSIG 501dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project# define _NSIG NSIG 511dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#endif 521dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 531dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectextern const char * const sys_siglist[]; 541dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 551dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectstatic __inline__ int sigismember(sigset_t *set, int signum) 561dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project{ 571dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project unsigned long *local_set = (unsigned long *)set; 581dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project signum--; 591dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project return (int)((local_set[signum/LONG_BIT] >> (signum%LONG_BIT)) & 1); 601dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project} 611dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 621dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 631dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectstatic __inline__ int sigaddset(sigset_t *set, int signum) 641dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project{ 651dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project unsigned long *local_set = (unsigned long *)set; 661dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project signum--; 671dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project local_set[signum/LONG_BIT] |= 1UL << (signum%LONG_BIT); 681dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project return 0; 691dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project} 701dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 711dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 721dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectstatic __inline__ int sigdelset(sigset_t *set, int signum) 731dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project{ 741dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project unsigned long *local_set = (unsigned long *)set; 751dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project signum--; 761dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project local_set[signum/LONG_BIT] &= ~(1UL << (signum%LONG_BIT)); 771dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project return 0; 781dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project} 791dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 801dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 811dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectstatic __inline__ int sigemptyset(sigset_t *set) 821dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project{ 831dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project memset(set, 0, sizeof *set); 841dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project return 0; 851dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project} 861dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 871dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectstatic __inline__ int sigfillset(sigset_t *set) 881dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project{ 891dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project memset(set, ~0, sizeof *set); 901dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project return 0; 911dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project} 921dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 931dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 941dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project/* compatibility types */ 951dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projecttypedef void (*sig_t)(int); 961dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projecttypedef sig_t sighandler_t; 971dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 981dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project/* differentiater between sysv and bsd behaviour 8*/ 991dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectextern __sighandler_t sysv_signal(int, __sighandler_t); 1001dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectextern __sighandler_t bsd_signal(int, __sighandler_t); 1011dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 1021dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project/* the default is bsd */ 1031dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectstatic __inline__ __sighandler_t signal(int s, __sighandler_t f) 1041dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project{ 1051dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project return bsd_signal(s,f); 1061dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project} 1071dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 1081dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project/* the syscall itself */ 1091dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectextern __sighandler_t __signal(int, __sighandler_t, int); 1101dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 1111dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectextern int sigprocmask(int, const sigset_t *, sigset_t *); 1121dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectextern int sigaction(int, const struct sigaction *, struct sigaction *); 1131dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 1141dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectextern int sigpending(sigset_t *); 1151dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectextern int sigsuspend(const sigset_t *); 1161dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectextern int sigwait(const sigset_t *set, int *sig); 1171dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectextern int siginterrupt(int sig, int flag); 1181dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 1191dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectextern int raise(int); 1201dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectextern int kill(pid_t, int); 1218c59d96e243ba1a05d7d9ab7a14d1a00e20bad4aColin Crossextern int killpg(int pgrp, int sig); 1221dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 1231dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 1241dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project__END_DECLS 1251dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 1261dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#endif /* _SIGNAL_H_ */ 127