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/*- |
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* Copyright (c) 2008 Pawel Jakub Dawidek <pjd@FreeBSD.org> |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND |
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE |
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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* SUCH DAMAGE. |
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* |
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* $FreeBSD$ |
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*/ |
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|
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#ifndef _OPENSOLARIS_SYS_SIG_H_ |
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#define _OPENSOLARIS_SYS_SIG_H_ |
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|
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#ifdef _KERNEL |
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|
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#include <sys/param.h> |
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#include <sys/lock.h> |
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#include <sys/mutex.h> |
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#include <sys/proc.h> |
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#include <sys/signalvar.h> |
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#include <sys/debug.h> |
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|
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#define FORREAL 0 |
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#define JUSTLOOKING 1 |
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|
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static __inline int |
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issig(int why) |
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{ |
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struct thread *td = curthread; |
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struct proc *p; |
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int sig; |
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|
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ASSERT(why == FORREAL || why == JUSTLOOKING); |
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if (SIGPENDING(td)) { |
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if (why == JUSTLOOKING) |
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return (1); |
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p = td->td_proc; |
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PROC_LOCK(p); |
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mtx_lock(&p->p_sigacts->ps_mtx); |
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sig = cursig(td, SIG_STOP_ALLOWED); |
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mtx_unlock(&p->p_sigacts->ps_mtx); |
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PROC_UNLOCK(p); |
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if (sig != 0) |
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return (1); |
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} |
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return (0); |
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} |
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|
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#endif /* _KERNEL */ |
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|
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#endif /* _OPENSOLARIS_SYS_SIG_H_ */ |
