projects / mirror_spl-debian.git / blame
| Commit | Line | Data |
|---|---|---|
| 716154c5 BB |
1 | /*****************************************************************************\ |
| 2 | * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. | |
| 3 | * Copyright (C) 2007 The Regents of the University of California. | |
| 4 | * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). | |
| 5 | * Written by Brian Behlendorf <behlendorf1@llnl.gov>. | |
| 715f6251 | 6 | * UCRL-CODE-235197 |
| 7 | * | |
| 716154c5 | 8 | * This file is part of the SPL, Solaris Porting Layer. |
| 3d6af2dd | 9 | * For details, see <http://zfsonlinux.org/>. |
| 716154c5 BB |
10 | * |
| 11 | * The SPL is free software; you can redistribute it and/or modify it | |
| 12 | * under the terms of the GNU General Public License as published by the | |
| 13 | * Free Software Foundation; either version 2 of the License, or (at your | |
| 14 | * option) any later version. | |
| 715f6251 | 15 | * |
| 716154c5 | 16 | * The SPL is distributed in the hope that it will be useful, but WITHOUT |
| 715f6251 | 17 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 19 | * for more details. | |
| 20 | * | |
| 21 | * You should have received a copy of the GNU General Public License along | |
| 716154c5 BB |
22 | * with the SPL. If not, see <http://www.gnu.org/licenses/>. |
| 23 | \*****************************************************************************/ | |
| 715f6251 | 24 | |
| 1ec74a11 | 25 | #ifndef _SPL_SIGNAL_H |
| 34ee731f | 26 | #define _SPL_SIGNAL_H |
| 1ec74a11 | 27 | |
| 55abb092 BB |
28 | #include <linux/sched.h> |
| 29 | ||
| 2ea56c1d AX |
30 | #ifdef HAVE_SCHED_SIGNAL_HEADER |
| 31 | #include <linux/sched/signal.h> | |
| 32 | #endif | |
| 33 | ||
| 1ec74a11 | 34 | #define FORREAL 0 /* Usual side-effects */ |
| 35 | #define JUSTLOOKING 1 /* Don't stop the process */ | |
| 36 | ||
| 34ee731f AX |
37 | /* |
| 38 | * The "why" argument indicates the allowable side-effects of the call: | |
| 1ec74a11 | 39 | * |
| 40 | * FORREAL: Extract the next pending signal from p_sig into p_cursig; | |
| 41 | * stop the process if a stop has been requested or if a traced signal | |
| 42 | * is pending. | |
| 43 | * | |
| 44 | * JUSTLOOKING: Don't stop the process, just indicate whether or not | |
| 45 | * a signal might be pending (FORREAL is needed to tell for sure). | |
| 46 | */ | |
| 47 | static __inline__ int | |
| 48 | issig(int why) | |
| 49 | { | |
| 937879f1 | 50 | ASSERT(why == FORREAL || why == JUSTLOOKING); |
| 1ec74a11 | 51 | |
| 34ee731f | 52 | return (signal_pending(current)); |
| 1ec74a11 | 53 | } |
| 54 | ||
| 55 | #endif /* SPL_SIGNAL_H */ |