diff -r 666f914201fb -r 2fe1408b6811 epoc32/include/stdapis/sys/signal.h --- a/epoc32/include/stdapis/sys/signal.h Tue Nov 24 13:55:44 2009 +0000 +++ b/epoc32/include/stdapis/sys/signal.h Tue Mar 16 16:12:26 2010 +0000 @@ -1,1 +1,156 @@ -signal.h +/*- + * Copyright (c) 1982, 1986, 1989, 1991, 1993 + * The Regents of the University of California. All rights reserved. + * (c) UNIX System Laboratories, Inc. + * All or some portions of this file are derived from material licensed + * to the University of California by American Telephone and Telegraph + * Co. or Unix System Laboratories, Inc. and are reproduced herein with + * the permission of UNIX System Laboratories, Inc. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)signal.h 8.4 (Berkeley) 5/4/95 + * $FreeBSD: src/sys/sys/signal.h,v 1.45 2004/06/11 11:43:46 phk Exp $ + */ + +#ifndef _SYS_SIGNAL_H_ +#define _SYS_SIGNAL_H_ + +#include +#include +#include + +#include /* sig_atomic_t; trap codes; sigcontext */ + +/* + * System defined signals. + */ +#define SIGHUP 1 /* hangup */ +#define SIGINT 2 /* interrupt */ +#define SIGQUIT 3 /* quit */ +#define SIGILL 4 /* illegal instr. (not reset when caught) */ +#define SIGTRAP 5 /* trace trap (not reset when caught) */ +#define SIGABRT 6 /* abort() */ +#define SIGIOT SIGABRT /* compatibility */ +#define SIGEMT 7 /* EMT instruction */ +#define SIGFPE 8 /* floating point exception */ +#define SIGKILL 9 /* kill (cannot be caught or ignored) */ +#define SIGBUS 10 /* bus error */ +#define SIGSEGV 11 /* segmentation violation */ +#define SIGSYS 12 /* non-existent system call invoked */ +#define SIGPIPE 13 /* write on a pipe with no one to read it */ +#define SIGALRM 14 /* alarm clock */ +#define SIGTERM 15 /* software termination signal from kill */ +#define SIGURG 16 /* urgent condition on IO channel */ +#define SIGSTOP 17 /* sendable stop signal not from tty */ +#define SIGTSTP 18 /* stop signal from tty */ +#define SIGCONT 19 /* continue a stopped process */ +#define SIGCHLD 20 /* to parent on child stop or exit */ +#define SIGTTIN 21 /* to readers pgrp upon background tty read */ +#define SIGTTOU 22 /* like TTIN if (tp->t_local<OSTOP) */ +#define SIGIO 23 /* input/output possible signal */ +#define SIGXCPU 24 /* exceeded CPU time limit */ +#define SIGXFSZ 25 /* exceeded file size limit */ +#define SIGVTALRM 26 /* virtual time alarm */ +#define SIGPROF 27 /* profiling time alarm */ +#define SIGWINCH 28 /* window size changes */ +#define SIGINFO 29 /* information request */ +#define SIGUSR1 30 /* user defined signal 1 */ +#define SIGUSR2 31 /* user defined signal 2 */ +#define SIGTHR 32 /* Thread interrupt. */ + +/* + * XXX missing SIGRTMIN, SIGRTMAX. + */ + +#define SIG_DFL ((__sighandler_t *)0) +#define SIG_IGN ((__sighandler_t *)1) +#define SIG_ERR ((__sighandler_t *)-1) +/* + * XXX missing SIG_HOLD. + */ + +/*- + * Type of a signal handling function. + * + * Language spec sez signal handlers take exactly one arg, even though we + * actually supply three. Ugh! + * + * We don't try to hide the difference by leaving out the args because + * that would cause warnings about conformant programs. Nonconformant + * programs can avoid the warnings by casting to (__sighandler_t *) or + * sig_t before calling signal() or assigning to sa_handler or sv_handler. + * + * The kernel should reverse the cast before calling the function. It + * has no way to do this, but on most machines 1-arg and 3-arg functions + * have the same calling protocol so there is no problem in practice. + * A bit in sa_flags could be used to specify the number of args. + */ +typedef void __sighandler_t(int); + +#if __POSIX_VISIBLE || __XSI_VISIBLE +#ifndef _SIGSET_T_DECLARED +#define _SIGSET_T_DECLARED +typedef __sigset_t sigset_t; +#endif +#endif + + +#if __POSIX_VISIBLE || __XSI_VISIBLE +struct __siginfo; + +/* + * Signal vector "template" used in sigaction call. + */ +struct sigaction { + union { + void (*__sa_handler)(int); + void (*__sa_sigaction)(int, struct __siginfo *, void *); + } __sigaction_u; /* signal handler */ + int sa_flags; /* see signal options below */ + sigset_t sa_mask; /* signal mask to apply */ +}; + +#define sa_handler __sigaction_u.__sa_handler +#endif + +#if __POSIX_VISIBLE || __XSI_VISIBLE +#define SA_NOCLDSTOP 0x0008 /* do not generate SIGCHLD on child stop */ +#endif /* __POSIX_VISIBLE || __XSI_VISIBLE */ + +#if __XSI_VISIBLE +#define SA_ONSTACK 0x0001 /* take signal on signal stack */ +#define SA_RESTART 0x0002 /* restart system call on signal return */ +#define SA_RESETHAND 0x0004 /* reset to SIG_DFL when taking signal */ +#define SA_NODEFER 0x0010 /* don't mask the signal we're delivering */ +#define SA_NOCLDWAIT 0x0020 /* don't keep zombies around */ +#define SA_SIGINFO 0x0040 /* signal handler with SA_SIGINFO args */ +#endif + +#if __BSD_VISIBLE +#define NSIG 32 /* number of old signals (counting 0) */ +#endif + +#endif /* !_SYS_SIGNAL_H_ */