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01c8efdd59
We always call it twice with JUSTLOOKING and then FORREAL. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Pawel Jakub Dawidek <pawel@dawidek.net> Closes #16225
65 lines
2.0 KiB
C
65 lines
2.0 KiB
C
/*
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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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#ifndef _OPENSOLARIS_SYS_SIG_H_
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#define _OPENSOLARIS_SYS_SIG_H_
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#ifndef _STANDALONE
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#include_next <sys/signal.h>
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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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static __inline int
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issig(void)
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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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if (SIGPENDING(td)) {
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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);
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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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#endif /* !_STANDALONE */
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#endif /* _OPENSOLARIS_SYS_SIG_H_ */
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