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📄 _atomic64e.h(2.91 KB)
📄 _atomic_subword.h(7.27 KB)
📄 _bitset.h(2.3 KB)
📄 _blockcount.h(1.97 KB)
📄 _bus_dma.h(2.15 KB)
📄 _callout.h(2.68 KB)
📄 _cpuset.h(1.76 KB)
📄 _cscan_atomic.h(18.1 KB)
📄 _cscan_bus.h(10.22 KB)
📄 _domainset.h(2.04 KB)
📄 _eventhandler.h(2.81 KB)
📄 _ffcounter.h(1.84 KB)
📄 _iovec.h(1.93 KB)
📄 _lock.h(2.98 KB)
📄 _lockmgr.h(1.82 KB)
📄 _mutex.h(2.63 KB)
📄 _null.h(1.7 KB)
📄 _pctrie.h(1.65 KB)
📄 _pthreadtypes.h(3.51 KB)
📄 _rangeset.h(1.86 KB)
📄 _rmlock.h(2.59 KB)
📄 _rwlock.h(2.39 KB)
📄 _semaphore.h(2.05 KB)
📄 _seqc.h(160 B)
📄 _sigset.h(2.46 KB)
📄 _smr.h(1.94 KB)
📄 _sockaddr_storage.h(2.37 KB)
📄 _stack.h(1.53 KB)
📄 _stdarg.h(2.15 KB)
📄 _stdint.h(2.6 KB)
📄 _sx.h(1.73 KB)
📄 _task.h(2.62 KB)
📄 _termios.h(7.64 KB)
📄 _timespec.h(2 KB)
📄 _timeval.h(1.88 KB)
📄 _types.h(5.66 KB)
📄 _ucontext.h(2.08 KB)
📄 _uio.h(1.99 KB)
📄 _umtx.h(2.5 KB)
📄 _unrhdr.h(1.92 KB)
📄 _winsize.h(2.14 KB)
📄 aac_ioctl.h(7.56 KB)
📄 abi_compat.h(2.42 KB)
📄 acct.h(4.95 KB)
📄 acl.h(14.62 KB)
📄 agpio.h(5.78 KB)
📄 aio.h(7.69 KB)
📄 alq.h(4.5 KB)
📄 apm.h(88 B)
📄 arb.h(28.88 KB)
📄 assym.h(2.7 KB)
📄 ata.h(45.35 KB)
📄 atomic_common.h(3.26 KB)
📄 auxv.h(1.58 KB)
📄 backlight.h(2.02 KB)
📄 bio.h(6.77 KB)
📄 bitset.h(8.53 KB)
📄 bitstring.h(12.16 KB)
📄 blist.h(3.74 KB)
📄 blockcount.h(3.03 KB)
📄 boot.h(1.8 KB)
📄 buf.h(20.73 KB)
📄 buf_ring.h(10.6 KB)
📄 bufobj.h(5.03 KB)
📄 bus.h(38.2 KB)
📄 bus_dma.h(13.68 KB)
📄 bus_dma_internal.h(2.42 KB)
📄 busdma_bufalloc.h(4.7 KB)
📄 callout.h(6.62 KB)
📄 caprights.h(4.17 KB)
📄 capsicum.h(17.54 KB)
📄 cdefs.h(27.79 KB)
📄 cdio.h(7.09 KB)
📄 cdrio.h(4.88 KB)
📄 cfictl.h(2.21 KB)
📄 chio.h(9.53 KB)
📄 ck.h(251 B)
📄 clock.h(8.07 KB)
📄 cnv.h(4.25 KB)
📄 compressor.h(2.05 KB)
📄 condvar.h(3.42 KB)
📄 conf.h(12.4 KB)
📄 cons.h(5.22 KB)
📄 consio.h(14.01 KB)
📄 copyright.h(1.97 KB)
📄 counter.h(3.02 KB)
📄 coverage.h(2.36 KB)
📄 cpu.h(7.02 KB)
📄 cpuctl.h(2.29 KB)
📄 cpuset.h(5.93 KB)
📄 csan.h(1.71 KB)
📄 ctf.h(14.4 KB)
📄 ctf_api.h(9.43 KB)
📄 ctype.h(2.81 KB)
📄 devctl.h(1.76 KB)
📄 devicestat.h(6.97 KB)
📄 devmap.h(4.04 KB)
📄 dirent.h(4.78 KB)
📁 disk
📄 disk.h(6.31 KB)
📄 disk_zone.h(6.52 KB)
📄 disklabel.h(4.39 KB)
📄 diskmbr.h(1.84 KB)
📄 dkstat.h(2.05 KB)
📄 dnv.h(3.39 KB)
📄 domain.h(3.64 KB)
📄 domainset.h(5.05 KB)
📄 dtrace.h(104.98 KB)
📄 dtrace_bsd.h(6.93 KB)
📄 dvdio.h(3.43 KB)
📄 efi.h(6.21 KB)
📄 efiio.h(2.06 KB)
📄 elf.h(1.6 KB)
📄 elf32.h(7.46 KB)
📄 elf64.h(7.79 KB)
📄 elf_common.h(59.51 KB)
📄 elf_generic.h(2.83 KB)
📄 endian.h(4.98 KB)
📄 epoch.h(4.01 KB)
📄 errno.h(8.29 KB)
📄 eui64.h(2.05 KB)
📄 event.h(12.61 KB)
📄 eventfd.h(1.86 KB)
📄 eventhandler.h(11.8 KB)
📄 eventvar.h(2.46 KB)
📄 exec.h(4.56 KB)
📄 extattr.h(4.08 KB)
📄 fail.h(13.1 KB)
📄 fbio.h(19.95 KB)
📄 fcntl.h(12.02 KB)
📄 fdcio.h(7.6 KB)
📄 file.h(14.06 KB)
📄 filedesc.h(12.13 KB)
📄 filio.h(3.67 KB)
📄 firmware.h(3.11 KB)
📄 fnv_hash.h(1.41 KB)
📄 font.h(3.85 KB)
📄 gmon.h(7.16 KB)
📄 gpio.h(9.85 KB)
📄 gpt.h(1.51 KB)
📄 gsb_crc32.h(998 B)
📄 gtaskqueue.h(4.21 KB)
📄 hash.h(3.55 KB)
📄 hhook.h(5.86 KB)
📄 iconv.h(8.22 KB)
📄 imgact.h(5.22 KB)
📄 imgact_aout.h(5.65 KB)
📄 imgact_binmisc.h(6.95 KB)
📄 imgact_elf.h(4.13 KB)
📄 interrupt.h(8.07 KB)
📄 intr.h(5.36 KB)
📄 ioccom.h(3.82 KB)
📄 ioctl.h(2.24 KB)
📄 ioctl_compat.h(6.42 KB)
📄 iov.h(11.67 KB)
📄 iov_schema.h(2.33 KB)
📄 ipc.h(4.93 KB)
📄 ipmi.h(5.4 KB)
📄 jail.h(14.98 KB)
📄 joystick.h(2.12 KB)
📄 kbio.h(7.81 KB)
📄 kcov.h(2.36 KB)
📄 kdb.h(5.04 KB)
📄 kenv.h(2.02 KB)
📄 kern_prefetch.h(1.67 KB)
📄 kernel.h(16.18 KB)
📄 kerneldump.h(4.85 KB)
📄 khelp.h(3.08 KB)
📄 kobj.h(6.92 KB)
📄 kpilite.h(2.01 KB)
📄 ksem.h(2.34 KB)
📄 kthread.h(3.04 KB)
📄 ktls.h(6.52 KB)
📄 ktr.h(10.92 KB)
📄 ktr_class.h(3.8 KB)
📄 ktrace.h(8.13 KB)
📄 libkern.h(7.74 KB)
📄 limits.h(3.69 KB)
📄 link_aout.h(10.2 KB)
📄 link_elf.h(4.06 KB)
📄 linker.h(11.88 KB)
📄 linker_set.h(3.85 KB)
📄 lock.h(12.24 KB)
📄 lock_profile.h(2.6 KB)
📄 lockf.h(5.55 KB)
📄 lockmgr.h(7 KB)
📄 lockstat.h(5.13 KB)
📄 loginclass.h(2.08 KB)
📄 mac.h(3.96 KB)
📄 malloc.h(11.76 KB)
📄 mbuf.h(50.74 KB)
📄 mchain.h(4.21 KB)
📄 md4.h(1.63 KB)
📄 md5.h(1.81 KB)
📄 mdioctl.h(3.73 KB)
📄 memdesc.h(3.79 KB)
📄 memrange.h(2.36 KB)
📄 mman.h(10.41 KB)
📄 module.h(8.77 KB)
📄 module_khelp.h(3.45 KB)
📄 mount.h(42.05 KB)
📄 mouse.h(12.69 KB)
📄 mpt_ioctl.h(4.27 KB)
📄 mqueue.h(1.86 KB)
📄 msg.h(4.78 KB)
📄 msgbuf.h(3.49 KB)
📄 mtio.h(11.94 KB)
📄 mutex.h(19.18 KB)
📄 namei.h(11.27 KB)
📄 nlist_aout.h(4.23 KB)
📄 nv.h(10.62 KB)
📄 nvpair.h(14.77 KB)
📄 osd.h(4.02 KB)
📄 param.h(12.23 KB)
📄 pciio.h(5.67 KB)
📄 pcpu.h(9.79 KB)
📄 pctrie.h(5.19 KB)
📄 physmem.h(2.92 KB)
📄 pidctrl.h(5.44 KB)
📄 pipe.h(4.63 KB)
📄 pmc.h(37.29 KB)
📄 pmckern.h(8.01 KB)
📄 pmclog.h(9.23 KB)
📄 poll.h(4.03 KB)
📄 posix4.h(3.71 KB)
📄 power.h(2.34 KB)
📄 priority.h(4.39 KB)
📄 priv.h(19.73 KB)
📄 prng.h(354 B)
📄 proc.h(50.73 KB)
📄 procctl.h(4.89 KB)
📄 procdesc.h(4.46 KB)
📄 procfs.h(4.2 KB)
📄 protosw.h(14.56 KB)
📄 ptio.h(1.57 KB)
📄 ptrace.h(8.61 KB)
📄 qmath.h(22.07 KB)
📄 queue.h(28.61 KB)
📄 racct.h(7.48 KB)
📄 random.h(5.41 KB)
📄 rangelock.h(3.86 KB)
📄 rangeset.h(2.96 KB)
📄 rctl.h(5.91 KB)
📄 reboot.h(3.41 KB)
📄 refcount.h(5.72 KB)
📄 regression.h(1.62 KB)
📄 resource.h(5.32 KB)
📄 resourcevar.h(6.33 KB)
📄 rman.h(6.41 KB)
📄 rmlock.h(5.56 KB)
📄 rtprio.h(3.08 KB)
📄 runq.h(2.54 KB)
📄 rwlock.h(10.61 KB)
📄 sbuf.h(4.68 KB)
📄 sched.h(9.06 KB)
📄 sdt.h(17.89 KB)
📄 select.h(3.5 KB)
📄 selinfo.h(2.39 KB)
📄 sem.h(4.31 KB)
📄 sema.h(2.61 KB)
📄 seqc.h(3.26 KB)
📄 serial.h(3.49 KB)
📄 sf_buf.h(5.87 KB)
📄 sglist.h(3.89 KB)
📄 shm.h(5.69 KB)
📄 sigio.h(2.83 KB)
📄 signal.h(15.83 KB)
📄 signalvar.h(12.95 KB)
📄 sleepqueue.h(5.61 KB)
📄 slicer.h(2.19 KB)
📄 smp.h(8.88 KB)
📄 smr.h(7.64 KB)
📄 smr_types.h(4.87 KB)
📄 snoop.h(1014 B)
📄 sockbuf.h(9.9 KB)
📄 socket.h(23.43 KB)
📄 socketvar.h(18.75 KB)
📄 sockio.h(7.97 KB)
📄 sockopt.h(2.98 KB)
📄 soundcard.h(69.38 KB)
📄 specialfd.h(1.56 KB)
📄 spigenio.h(2.28 KB)
📄 stack.h(2.65 KB)
📄 stat.h(13.44 KB)
📄 stats.h(34.73 KB)
📄 statvfs.h(3.08 KB)
📄 stdatomic.h(13.94 KB)
📄 stddef.h(1.7 KB)
📄 stdint.h(2.63 KB)
📄 sx.h(11.04 KB)
📄 syscall.h(13.99 KB)
📄 syscallsubr.h(16.94 KB)
📄 sysctl.h(47.96 KB)
📄 sysent.h(10.82 KB)
📄 syslimits.h(3.14 KB)
📄 syslog.h(7.25 KB)
📄 sysproto.h(153.38 KB)
📄 systm.h(21.97 KB)
📄 taskqueue.h(7.65 KB)
📄 terminal.h(8.25 KB)
📄 termios.h(151 B)
📄 thr.h(2.87 KB)
📄 tiio.h(12.62 KB)
📄 tim_filter.h(4.61 KB)
📄 time.h(16.87 KB)
📄 timeb.h(2.59 KB)
📄 timeet.h(3.65 KB)
📄 timeffc.h(11.94 KB)
📄 timepps.h(6.48 KB)
📄 timers.h(3.56 KB)
📄 times.h(2.46 KB)
📄 timespec.h(2.4 KB)
📄 timetc.h(3.16 KB)
📄 timex.h(6.61 KB)
📄 tree.h(27.93 KB)
📄 tslog.h(2.3 KB)
📄 tty.h(8.98 KB)
📄 ttycom.h(6.48 KB)
📄 ttydefaults.h(3.92 KB)
📄 ttydevsw.h(5.28 KB)
📄 ttydisc.h(2.93 KB)
📄 ttyhook.h(3.98 KB)
📄 ttyqueue.h(5.26 KB)
📄 turnstile.h(4.83 KB)
📄 types.h(11.64 KB)
📄 ucontext.h(2.91 KB)
📄 ucred.h(5.4 KB)
📄 uio.h(4.15 KB)
📄 umtx.h(5.94 KB)
📄 un.h(2.96 KB)
📄 unistd.h(7.34 KB)
📄 unpcb.h(6.77 KB)
📄 user.h(21.58 KB)
📄 utsname.h(2.47 KB)
📄 uuid.h(3.17 KB)
📄 vdso.h(4.26 KB)
📄 vmem.h(4.91 KB)
📄 vmmeter.h(7.72 KB)
📄 vnode.h(40.87 KB)
📄 vtoc.h(89 B)
📄 wait.h(6.11 KB)
📄 watchdog.h(4.22 KB)

Editing: signal.h

/*-
 * SPDX-License-Identifier: BSD-3-Clause
 *
 * 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.
 * 3. 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
 * $FreeBSD$
 */

#ifndef _SYS_SIGNAL_H_
#define	_SYS_SIGNAL_H_

#include <sys/cdefs.h>
#include <sys/_types.h>
#include <sys/_sigset.h>

#include <machine/_limits.h>	/* __MINSIGSTKSZ */
#include <machine/signal.h>	/* sig_atomic_t; trap codes; sigcontext */

#if __POSIX_VISIBLE >= 200809

#include <sys/_pthreadtypes.h>
#include <sys/_timespec.h>

#ifndef _SIZE_T_DECLARED
typedef	__size_t	size_t;
#define	_SIZE_T_DECLARED
#endif

#ifndef _UID_T_DECLARED
typedef	__uid_t		uid_t;
#define	_UID_T_DECLARED
#endif

#endif /* __POSIX_VISIBLE >= 200809 */

/*
 * System defined signals.
 */
#if __POSIX_VISIBLE || __XSI_VISIBLE
#define	SIGHUP		1	/* hangup */
#endif
#define	SIGINT		2	/* interrupt */
#if __POSIX_VISIBLE || __XSI_VISIBLE
#define	SIGQUIT		3	/* quit */
#endif
#define	SIGILL		4	/* illegal instr. (not reset when caught) */
#if __XSI_VISIBLE
#define	SIGTRAP		5	/* trace trap (not reset when caught) */
#endif
#define	SIGABRT		6	/* abort() */
#if __BSD_VISIBLE
#define	SIGIOT		SIGABRT	/* compatibility */
#define	SIGEMT		7	/* EMT instruction */
#endif
#define	SIGFPE		8	/* floating point exception */
#if __POSIX_VISIBLE || __XSI_VISIBLE
#define	SIGKILL		9	/* kill (cannot be caught or ignored) */
#endif
#if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE
#define	SIGBUS		10	/* bus error */
#endif
#define	SIGSEGV		11	/* segmentation violation */
#if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE
#define	SIGSYS		12	/* non-existent system call invoked */
#endif
#if __POSIX_VISIBLE || __XSI_VISIBLE
#define	SIGPIPE		13	/* write on a pipe with no one to read it */
#define	SIGALRM		14	/* alarm clock */
#endif
#define	SIGTERM		15	/* software termination signal from kill */
#if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE
#define	SIGURG		16	/* urgent condition on IO channel */
#endif
#if __POSIX_VISIBLE || __XSI_VISIBLE
#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&LTOSTOP) */
#endif
#if __BSD_VISIBLE
#define	SIGIO		23	/* input/output possible signal */
#endif
#if __XSI_VISIBLE
#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 */
#endif
#if __BSD_VISIBLE
#define	SIGWINCH	28	/* window size changes */
#define	SIGINFO		29	/* information request */
#endif
#if __POSIX_VISIBLE || __XSI_VISIBLE
#define	SIGUSR1		30	/* user defined signal 1 */
#define	SIGUSR2		31	/* user defined signal 2 */
#endif
#if __BSD_VISIBLE
#define	SIGTHR		32	/* reserved by thread library. */
#define	SIGLWP		SIGTHR
#define	SIGLIBRT	33	/* reserved by real-time library. */
#endif

#define	SIGRTMIN	65
#define	SIGRTMAX	126

#define	SIG_DFL		((__sighandler_t *)0)
#define	SIG_IGN		((__sighandler_t *)1)
#define	SIG_ERR		((__sighandler_t *)-1)
/* #define	SIG_CATCH	((__sighandler_t *)2) See signalvar.h */
#define SIG_HOLD        ((__sighandler_t *)3)

/*
 * 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 >= 199309 || __XSI_VISIBLE >= 500
union sigval {
	/* Members as suggested by Annex C of POSIX 1003.1b. */
	int	sival_int;
	void	*sival_ptr;
	/* 6.0 compatibility */
	int     sigval_int;
	void    *sigval_ptr;
};

#if defined(_WANT_LWPINFO32) || (defined(_KERNEL) && defined(__LP64__))
union sigval32 {
	int	sival_int;
	uint32_t sival_ptr;
	/* 6.0 compatibility */
	int	sigval_int;
	uint32_t sigval_ptr;
};
#endif
#endif

#if __POSIX_VISIBLE >= 199309

struct pthread_attr;

struct sigevent {
	int	sigev_notify;		/* Notification type */
	int	sigev_signo;		/* Signal number */
	union sigval sigev_value;	/* Signal value */
	union {
		__lwpid_t	_threadid;
		struct {
			void (*_function)(union sigval);
			struct pthread_attr **_attribute;
		} _sigev_thread;
		unsigned short _kevent_flags;
		long __spare__[8];
	} _sigev_un;
};

#if __BSD_VISIBLE
#define	sigev_notify_kqueue		sigev_signo
#define	sigev_notify_kevent_flags	_sigev_un._kevent_flags
#define	sigev_notify_thread_id		_sigev_un._threadid
#endif
#define	sigev_notify_function		_sigev_un._sigev_thread._function
#define	sigev_notify_attributes		_sigev_un._sigev_thread._attribute

#define	SIGEV_NONE	0		/* No async notification. */
#define	SIGEV_SIGNAL	1		/* Generate a queued signal. */
#define	SIGEV_THREAD	2		/* Call back from another pthread. */
#if __BSD_VISIBLE
#define	SIGEV_KEVENT	3		/* Generate a kevent. */
#define	SIGEV_THREAD_ID	4		/* Send signal to a kernel thread. */
#endif

#endif /* __POSIX_VISIBLE >= 199309 */

#if __POSIX_VISIBLE >= 199309 || __XSI_VISIBLE
typedef	struct __siginfo {
	int	si_signo;		/* signal number */
	int	si_errno;		/* errno association */
	/*
	 * Cause of signal, one of the SI_ macros or signal-specific
	 * values, i.e. one of the FPE_... values for SIGFPE.  This
	 * value is equivalent to the second argument to an old-style
	 * FreeBSD signal handler.
	 */
	int	si_code;		/* signal code */
	__pid_t	si_pid;			/* sending process */
	__uid_t	si_uid;			/* sender's ruid */
	int	si_status;		/* exit value */
	void	*si_addr;		/* faulting instruction */
	union sigval si_value;		/* signal value */
	union	{
		struct {
			int	_trapno;/* machine specific trap code */
		} _fault;
		struct {
			int	_timerid;
			int	_overrun;
		} _timer;
		struct {
			int	_mqd;
		} _mesgq;
		struct {
			long	_band;		/* band event for SIGPOLL */
		} _poll;			/* was this ever used ? */
		struct {
			long	__spare1__;
			int	__spare2__[7];
		} __spare__;
	} _reason;
} siginfo_t;

#define si_trapno	_reason._fault._trapno
#define si_timerid	_reason._timer._timerid
#define si_overrun	_reason._timer._overrun
#define si_mqd		_reason._mesgq._mqd
#define si_band		_reason._poll._band

#if defined(_WANT_LWPINFO32) || (defined(_KERNEL) && defined(__LP64__))
struct siginfo32 {
	int	si_signo;		/* signal number */
	int	si_errno;		/* errno association */
	int	si_code;		/* signal code */
	__pid_t	si_pid;			/* sending process */
	__uid_t	si_uid;			/* sender's ruid */
	int	si_status;		/* exit value */
	uint32_t si_addr;		/* faulting instruction */
	union sigval32 si_value;	/* signal value */
	union	{
		struct {
			int	_trapno;/* machine specific trap code */
		} _fault;
		struct {
			int	_timerid;
			int	_overrun;
		} _timer;
		struct {
			int	_mqd;
		} _mesgq;
		struct {
			int32_t	_band;		/* band event for SIGPOLL */
		} _poll;			/* was this ever used ? */
		struct {
			int32_t	__spare1__;
			int	__spare2__[7];
		} __spare__;
	} _reason;
};
#endif

/** si_code **/
/* codes for SIGILL */
#define ILL_ILLOPC 	1	/* Illegal opcode.			*/
#define ILL_ILLOPN 	2	/* Illegal operand.			*/
#define ILL_ILLADR 	3	/* Illegal addressing mode.		*/
#define ILL_ILLTRP 	4	/* Illegal trap.			*/
#define ILL_PRVOPC 	5	/* Privileged opcode.			*/
#define ILL_PRVREG 	6	/* Privileged register.			*/
#define ILL_COPROC 	7	/* Coprocessor error.			*/
#define ILL_BADSTK 	8	/* Internal stack error.		*/

/* codes for SIGBUS */
#define BUS_ADRALN	1	/* Invalid address alignment.		*/
#define BUS_ADRERR	2	/* Nonexistent physical address.	*/
#define BUS_OBJERR	3	/* Object-specific hardware error.	*/
#define BUS_OOMERR	100	/* Non-standard: No memory.		*/

/* codes for SIGSEGV */
#define SEGV_MAPERR	1	/* Address not mapped to object.	*/
#define SEGV_ACCERR	2	/* Invalid permissions for mapped	*/
				/* object.				*/
#define	SEGV_PKUERR	100	/* x86: PKU violation			*/

/* codes for SIGFPE */
#define FPE_INTOVF	1	/* Integer overflow.			*/
#define FPE_INTDIV	2	/* Integer divide by zero.		*/
#define FPE_FLTDIV	3	/* Floating point divide by zero.	*/
#define FPE_FLTOVF	4	/* Floating point overflow.		*/
#define FPE_FLTUND	5	/* Floating point underflow.		*/
#define FPE_FLTRES	6	/* Floating point inexact result.	*/
#define FPE_FLTINV	7	/* Invalid floating point operation.	*/
#define FPE_FLTSUB	8	/* Subscript out of range.		*/

/* codes for SIGTRAP */
#define TRAP_BRKPT	1	/* Process breakpoint.			*/
#define TRAP_TRACE	2	/* Process trace trap.			*/
#define	TRAP_DTRACE	3	/* DTrace induced trap.			*/
#define	TRAP_CAP	4	/* Capabilities protective trap.	*/

/* codes for SIGCHLD */
#define CLD_EXITED	1	/* Child has exited			*/
#define CLD_KILLED	2	/* Child has terminated abnormally but	*/
				/* did not create a core file		*/
#define CLD_DUMPED	3	/* Child has terminated abnormally and	*/
				/* created a core file			*/
#define CLD_TRAPPED	4	/* Traced child has trapped		*/
#define CLD_STOPPED	5	/* Child has stopped			*/
#define CLD_CONTINUED	6	/* Stopped child has continued		*/

/* codes for SIGPOLL */
#define POLL_IN		1	/* Data input available			*/
#define POLL_OUT	2	/* Output buffers available		*/
#define POLL_MSG	3	/* Input message available		*/
#define POLL_ERR	4	/* I/O Error				*/
#define POLL_PRI	5	/* High priority input available	*/
#define POLL_HUP	6	/* Device disconnected			*/

#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 __XSI_VISIBLE
/* If SA_SIGINFO is set, sa_sigaction must be used instead of sa_handler. */
#define	sa_sigaction	__sigaction_u.__sa_sigaction
#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

#if __POSIX_VISIBLE || __XSI_VISIBLE
#define	SI_NOINFO	0		/* No signal info besides si_signo. */
#define	SI_USER		0x10001		/* Signal sent by kill(). */
#define	SI_QUEUE	0x10002		/* Signal sent by the sigqueue(). */
#define	SI_TIMER	0x10003		/* Signal generated by expiration of */
					/* a timer set by timer_settime(). */
#define	SI_ASYNCIO	0x10004		/* Signal generated by completion of */
					/* an asynchronous I/O request.*/
#define	SI_MESGQ	0x10005		/* Signal generated by arrival of a */
					/* message on an empty message queue. */
#define	SI_KERNEL	0x10006
#define	SI_LWP		0x10007		/* Signal sent by thr_kill */
#endif
#if __BSD_VISIBLE
#define	SI_UNDEFINED	0
#endif

#if __BSD_VISIBLE
typedef	__sighandler_t	*sig_t;	/* type of pointer to a signal function */
typedef	void __siginfohandler_t(int, struct __siginfo *, void *);
#endif

#if __XSI_VISIBLE
#if __BSD_VISIBLE
#define	__stack_t sigaltstack
#endif
typedef	struct __stack_t stack_t;

#define	SS_ONSTACK	0x0001	/* take signal on alternate stack */
#define	SS_DISABLE	0x0004	/* disable taking signals on alternate stack */
#define	MINSIGSTKSZ	__MINSIGSTKSZ		/* minimum stack size */
#define	SIGSTKSZ	(MINSIGSTKSZ + 32768)	/* recommended stack size */
#endif

/*
 * Structure used in sigaltstack call.  Its definition is always
 * needed for __ucontext.  If __BSD_VISIBLE is defined, the structure
 * tag is actually sigaltstack.
 */
struct __stack_t {
	void	*ss_sp;			/* signal stack base */
	__size_t ss_size;		/* signal stack length */
	int	ss_flags;		/* SS_DISABLE and/or SS_ONSTACK */
};

#if __BSD_VISIBLE
/*
 * 4.3 compatibility:
 * Signal vector "template" used in sigvec call.
 */
struct sigvec {
	__sighandler_t *sv_handler;	/* signal handler */
	int	sv_mask;		/* signal mask to apply */
	int	sv_flags;		/* see signal options below */
};

#define	SV_ONSTACK	SA_ONSTACK
#define	SV_INTERRUPT	SA_RESTART	/* same bit, opposite sense */
#define	SV_RESETHAND	SA_RESETHAND
#define	SV_NODEFER	SA_NODEFER
#define	SV_NOCLDSTOP	SA_NOCLDSTOP
#define	SV_SIGINFO	SA_SIGINFO
#define	sv_onstack	sv_flags	/* isn't compatibility wonderful! */
#endif

/* Keep this in one place only */
#if defined(_KERNEL) && defined(COMPAT_43) && \
    !defined(__i386__)
struct osigcontext {
	int _not_used;
};
#endif

#if __XSI_VISIBLE
/*
 * Structure used in sigstack call.
 */
struct sigstack {
	void	*ss_sp;			/* signal stack pointer */
	int	ss_onstack;		/* current status */
};
#endif

#if __BSD_VISIBLE || __POSIX_VISIBLE > 0 && __POSIX_VISIBLE <= 200112
/*
 * Macro for converting signal number to a mask suitable for
 * sigblock().
 */
#define	sigmask(m)	(1 << ((m)-1))
#endif

#if __BSD_VISIBLE
#define	BADSIG		SIG_ERR
#endif

#if __POSIX_VISIBLE || __XSI_VISIBLE
/*
 * Flags for sigprocmask:
 */
#define	SIG_BLOCK	1	/* block specified signal set */
#define	SIG_UNBLOCK	2	/* unblock specified signal set */
#define	SIG_SETMASK	3	/* set specified signal set */
#endif

/*
 * For historical reasons; programs expect signal's return value to be
 * defined by <sys/signal.h>.
 */
__BEGIN_DECLS
__sighandler_t *signal(int, __sighandler_t *);
__END_DECLS

#endif /* !_SYS_SIGNAL_H_ */

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