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 455c8c00a95a6cdcd74ac32dadedf0cea2b1661169David 'Digit' Turner/* _NSIG is used by the SIGRTMAX definition under <asm/signal.h>, however 465c8c00a95a6cdcd74ac32dadedf0cea2b1661169David 'Digit' Turner * its definition is part of a #if __KERNEL__ .. #endif block in the original 475c8c00a95a6cdcd74ac32dadedf0cea2b1661169David 'Digit' Turner * kernel headers and is thus not part of our cleaned-up versions. 485c8c00a95a6cdcd74ac32dadedf0cea2b1661169David 'Digit' Turner * 495c8c00a95a6cdcd74ac32dadedf0cea2b1661169David 'Digit' Turner * Looking at the current kernel sources, it is defined as 64 for all 505c8c00a95a6cdcd74ac32dadedf0cea2b1661169David 'Digit' Turner * architectures except for the 'mips' one which set it to 128. 515c8c00a95a6cdcd74ac32dadedf0cea2b1661169David 'Digit' Turner */ 521dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#ifndef _NSIG 535c8c00a95a6cdcd74ac32dadedf0cea2b1661169David 'Digit' Turner# define _NSIG 64 541dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#endif 551dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 561dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectextern const char * const sys_siglist[]; 5781569aa72c48caef1e74be31a5f799fc34a1cfc5Thorsten Glaserextern const char * const sys_signame[]; 581dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 591dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectstatic __inline__ int sigismember(sigset_t *set, int signum) 601dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project{ 611dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project unsigned long *local_set = (unsigned long *)set; 621dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project signum--; 631dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project return (int)((local_set[signum/LONG_BIT] >> (signum%LONG_BIT)) & 1); 641dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project} 651dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 661dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 671dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectstatic __inline__ int sigaddset(sigset_t *set, int signum) 681dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project{ 691dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project unsigned long *local_set = (unsigned long *)set; 701dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project signum--; 711dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project local_set[signum/LONG_BIT] |= 1UL << (signum%LONG_BIT); 721dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project return 0; 731dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project} 741dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 751dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 761dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectstatic __inline__ int sigdelset(sigset_t *set, int signum) 771dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project{ 781dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project unsigned long *local_set = (unsigned long *)set; 791dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project signum--; 801dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project local_set[signum/LONG_BIT] &= ~(1UL << (signum%LONG_BIT)); 811dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project return 0; 821dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project} 831dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 841dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 851dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectstatic __inline__ int sigemptyset(sigset_t *set) 861dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project{ 871dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project memset(set, 0, sizeof *set); 881dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project return 0; 891dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project} 901dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 911dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectstatic __inline__ int sigfillset(sigset_t *set) 921dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project{ 931dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project memset(set, ~0, sizeof *set); 941dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project return 0; 951dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project} 961dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 971dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 981dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project/* compatibility types */ 991dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projecttypedef void (*sig_t)(int); 1001dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projecttypedef sig_t sighandler_t; 1011dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 1021dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project/* differentiater between sysv and bsd behaviour 8*/ 1031dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectextern __sighandler_t sysv_signal(int, __sighandler_t); 1041dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectextern __sighandler_t bsd_signal(int, __sighandler_t); 1051dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 1061dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project/* the default is bsd */ 1071dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectstatic __inline__ __sighandler_t signal(int s, __sighandler_t f) 1081dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project{ 1091dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project return bsd_signal(s,f); 1101dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project} 1111dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 1121dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project/* the syscall itself */ 1131dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectextern __sighandler_t __signal(int, __sighandler_t, int); 1141dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 1151dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectextern int sigprocmask(int, const sigset_t *, sigset_t *); 1161dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectextern int sigaction(int, const struct sigaction *, struct sigaction *); 1171dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 1181dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectextern int sigpending(sigset_t *); 1191dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectextern int sigsuspend(const sigset_t *); 1201dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectextern int sigwait(const sigset_t *set, int *sig); 1211dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectextern int siginterrupt(int sig, int flag); 1221dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 1231dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectextern int raise(int); 1241dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectextern int kill(pid_t, int); 1258c59d96e243ba1a05d7d9ab7a14d1a00e20bad4aColin Crossextern int killpg(int pgrp, int sig); 126bb5581ad6eec40041dab4e961149f7a8a3a83497David 'Digit' Turnerextern int sigaltstack(const stack_t *ss, stack_t *oss); 1271dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 128b5f053b5a7deb084e7a052d527e0aa41339ae05cIrina Tirdeaextern void psiginfo(const siginfo_t* si, const char* message); 129b5f053b5a7deb084e7a052d527e0aa41339ae05cIrina Tirdeaextern void psignal(int signal_number, const char* message); 1301dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 1311dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project__END_DECLS 1321dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 1331dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#endif /* _SIGNAL_H_ */ 134