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