| /* |
| * 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. |
| * |
| * $FreeBSD$ |
| */ |
| |
| #ifndef _OPENSOLARIS_SYS_SIG_H_ |
| #define _OPENSOLARIS_SYS_SIG_H_ |
| |
| #ifndef _STANDALONE |
| |
| #include_next <sys/signal.h> |
| #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); |
| mtx_unlock(&p->p_sigacts->ps_mtx); |
| PROC_UNLOCK(p); |
| if (sig != 0) |
| return (1); |
| } |
| return (0); |
| } |
| |
| #endif /* !_STANDALONE */ |
| |
| #endif /* _OPENSOLARIS_SYS_SIG_H_ */ |