55 lines
1.8 KiB
C
55 lines
1.8 KiB
C
/*
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* Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
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* Copyright (C) 2007 The Regents of the University of California.
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* Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
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* Written by Brian Behlendorf <behlendorf1@llnl.gov>.
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* UCRL-CODE-235197
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*
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* This file is part of the SPL, Solaris Porting Layer.
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* For details, see <http://zfsonlinux.org/>.
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*
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* The SPL is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* The SPL is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with the SPL. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _SPL_SIGNAL_H
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#define _SPL_SIGNAL_H
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#include <linux/sched.h>
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#ifdef HAVE_SCHED_SIGNAL_HEADER
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#include <linux/sched/signal.h>
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#endif
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#define FORREAL 0 /* Usual side-effects */
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#define JUSTLOOKING 1 /* Don't stop the process */
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/*
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* The "why" argument indicates the allowable side-effects of the call:
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*
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* FORREAL: Extract the next pending signal from p_sig into p_cursig;
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* stop the process if a stop has been requested or if a traced signal
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* is pending.
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*
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* JUSTLOOKING: Don't stop the process, just indicate whether or not
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* a signal might be pending (FORREAL is needed to tell for sure).
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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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ASSERT(why == FORREAL || why == JUSTLOOKING);
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return (signal_pending(current));
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}
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#endif /* SPL_SIGNAL_H */
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