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/*-
* Copyright (c) 2008 Pawel Jakub Dawidek <pjd@FreeBSD.org>
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS 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 AUTHORS 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.
*
* $FreeBSD: release/9.1.0/sys/cddl/compat/opensolaris/sys/sig.h 195702 2009-07-14 22:52:46Z kib $
*/
#ifndef _OPENSOLARIS_SYS_SIG_H_
#define _OPENSOLARIS_SYS_SIG_H_
#ifdef _KERNEL
#include <sys/param.h>
#include <sys/lock.h>
#include <sys/mutex.h>
#include <sys/proc.h>
#include <sys/signalvar.h>
#include <sys/debug.h>
#define FORREAL 0
#define JUSTLOOKING 1
static __inline int
issig(int why)
{
struct thread *td = curthread;
struct proc *p;
int sig;
ASSERT(why == FORREAL || why == JUSTLOOKING);
if (SIGPENDING(td)) {
if (why == JUSTLOOKING)
return (1);
p = td->td_proc;
PROC_LOCK(p);
mtx_lock(&p->p_sigacts->ps_mtx);
sig = cursig(td, SIG_STOP_ALLOWED);
mtx_unlock(&p->p_sigacts->ps_mtx);
PROC_UNLOCK(p);
if (sig != 0)
return (1);
}
return (0);
}
#endif /* _KERNEL */
#endif /* _OPENSOLARIS_SYS_SIG_H_ */