/*-

 * Copyright (c) 1991, 1993

 *	The Regents of the University of California.  All rights reserved.

 *

 * 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.

 *

 * Portions Copyright (c) 2006-2008 Nokia Corporation and/or its subsidiary(-ies). All rights reserved.

 *	@(#)signal.h	8.3 (Berkeley) 3/30/94

 * $FreeBSD: src/include/signal.h,v 1.24 2003/03/31 23:30:41 jeff Exp $

 */

#ifndef _SIGNAL_H_

#define	_SIGNAL_H_

#include <sys/cdefs.h>

#include <sys/types.h>

#include <sys/signal.h>

__BEGIN_DECLS

struct timespec;

/* The following definitions have been taken from siglist.c file

 * Once signals are implemented then these definitions must be moved to that

 * file. (sys_signame,sys_siglist,sys_nsig)  */

static const char *const sys_signame[NSIG] = {

	"Signal 0",

	"hup",				/* SIGHUP */

	"int",				/* SIGINT */

	"quit",				/* SIGQUIT */

	"ill",				/* SIGILL */

	"trap",				/* SIGTRAP */

	"abrt",				/* SIGABRT */

	"emt",				/* SIGEMT */

	"fpe",				/* SIGFPE */

	"kill",				/* SIGKILL */

	"bus",				/* SIGBUS */

	"segv",				/* SIGSEGV */

	"sys",				/* SIGSYS */

	"pipe",				/* SIGPIPE */

	"alrm",				/* SIGALRM */

	"term",				/* SIGTERM */

	"urg",				/* SIGURG */

	"stop",				/* SIGSTOP */

	"tstp",				/* SIGTSTP */

	"cont",				/* SIGCONT */

	"chld",				/* SIGCHLD */

	"ttin",				/* SIGTTIN */

	"ttou",				/* SIGTTOU */

	"io",				/* SIGIO */

	"xcpu",				/* SIGXCPU */

	"xfsz",				/* SIGXFSZ */

	"vtalrm",			/* SIGVTALRM */

	"prof",				/* SIGPROF */

	"winch",			/* SIGWINCH */

	"info",				/* SIGINFO */

	"usr1",				/* SIGUSR1 */

	"usr2"				/* SIGUSR2 */

};

static const char *const sys_siglist[NSIG] = {

	"Signal 0",

	"Hangup",			/* SIGHUP */

	"Interrupt",			/* SIGINT */

	"Quit",				/* SIGQUIT */

	"Illegal instruction",		/* SIGILL */

	"Trace/BPT trap",		/* SIGTRAP */

	"Abort trap",			/* SIGABRT */

	"EMT trap",			/* SIGEMT */

	"Floating point exception",	/* SIGFPE */

	"Killed",			/* SIGKILL */

	"Bus error",			/* SIGBUS */

	"Segmentation fault",		/* SIGSEGV */

	"Bad system call",		/* SIGSYS */

	"Broken pipe",			/* SIGPIPE */

	"Alarm clock",			/* SIGALRM */

	"Terminated",			/* SIGTERM */

	"Urgent I/O condition",		/* SIGURG */

	"Suspended (signal)",		/* SIGSTOP */

	"Suspended",			/* SIGTSTP */

	"Continued",			/* SIGCONT */

	"Child exited",			/* SIGCHLD */

	"Stopped (tty input)",		/* SIGTTIN */

	"Stopped (tty output)",		/* SIGTTOU */

	"I/O possible",			/* SIGIO */

	"Cputime limit exceeded",	/* SIGXCPU */

	"Filesize limit exceeded",	/* SIGXFSZ */

	"Virtual timer expired",	/* SIGVTALRM */

	"Profiling timer expired",	/* SIGPROF */

	"Window size changes",		/* SIGWINCH */

	"Information request",		/* SIGINFO */

	"User defined signal 1",	/* SIGUSR1 */

	"User defined signal 2"		/* SIGUSR2 */

};

#if !defined (SIG_BLOCK)

	#define SIG_UNBLOCK 1

	#define SIG_BLOCK   2

	#define SIG_SETMASK 3

#endif

/* Type for data associated with a signal.  */

union sigval

{

	int    sival_int;

	void  *sival_ptr;

};

typedef struct __siginfo_t

{

	int           si_signo;

	int           si_code;

	int           si_errno;

	pid_t         si_pid;

	uid_t         si_uid;

	void         *si_addr;

	int           si_status;

	long          si_band;

	union sigval  si_value;

} siginfo_t;

typedef struct sigevent

{

	union sigval           sigev_value;  

    int sigev_signo;

    int sigev_notify;

    void (*sigev_notify_function) (union sigval);       /* Function to start.  */

    void *sigev_notify_attributes;                  /* Really pthread_attr_t.  */

} sigevent_t;

/* `sigev_notify' values.  */

enum

{

  SIGEV_SIGNAL = 0,             /* Notify via signal.  */

# define SIGEV_SIGNAL   SIGEV_SIGNAL

  SIGEV_NONE,                   /* Other notification: meaningless.  */

# define SIGEV_NONE     SIGEV_NONE

  SIGEV_THREAD,                 /* Deliver via thread creation.  */

# define SIGEV_THREAD   SIGEV_THREAD

  SIGEV_THREAD_ID = 4           /* Send signal to specific thread.  */

#define SIGEV_THREAD_ID SIGEV_THREAD_ID

};

static const int sys_nsig = sizeof(sys_siglist) / sizeof(sys_siglist[0]);

IMPORT_C int sigaction(int sig, const struct sigaction *act, struct sigaction *oact);

IMPORT_C int sigemptyset(sigset_t* set);

#ifdef SYMBIAN_OE_POSIX_SIGNALS

IMPORT_C int kill(pid_t pid, int sig);

IMPORT_C int raise(int sig);

IMPORT_C int sigqueue(pid_t pid, int sig, const union sigval value);

IMPORT_C int sigfillset(sigset_t *set);

IMPORT_C int sigaddset(sigset_t *set, int signo);

IMPORT_C int sigdelset(sigset_t *set, int signo);

IMPORT_C int sigismember(const sigset_t *set, int signo);

IMPORT_C int sigandset(sigset_t * set, const sigset_t * left, const sigset_t * right);

IMPORT_C int sigorset(sigset_t * set, const sigset_t * left, const sigset_t * right);

IMPORT_C int sigisemptyset(const sigset_t * set);

IMPORT_C int sigprocmask(int how, const sigset_t* set,sigset_t* oset);

IMPORT_C int sighold(int signo);

IMPORT_C int sigrelse(int signo);

IMPORT_C int sigpause(int signo);

IMPORT_C int sigwait(const sigset_t *set, int *sig);

IMPORT_C int sigtimedwait(const sigset_t *set, siginfo_t *info,

       const struct timespec *timeout);

IMPORT_C int sigwaitinfo(const sigset_t *set, siginfo_t *info);

IMPORT_C void (*bsd_signal(int, void (*)(int)))(int);

IMPORT_C void (*sigset(int, void (*)(int)))(int);

IMPORT_C void (*signal(int, void (*)(int)))(int);

IMPORT_C int sigpending(sigset_t *set);

IMPORT_C int sigignore(int sig);

IMPORT_C void psignal(int sig, const char *s);

IMPORT_C int sigenable();

#endif

__END_DECLS

#endif /* !_SIGNAL_H_ */