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glibc-1.08.1
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hurd
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hurd-raise.c
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1994-04-29
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/* Copyright (C) 1994 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA. */
#include <hurd.h>
#include <hurd/signal.h>
#include <hurd/msg.h>
#include <setjmp.h>
/* Handle signal SIGNO in the calling thread.
If SS is not NULL it is the sigstate for the calling thread;
SS->lock is held on entry and released before return. */
void
_hurd_raise_signal (struct hurd_sigstate *ss, int signo, int sigcode)
{
if (ss == NULL)
ss = _hurd_self_sigstate ();
/* Mark SIGNO as pending to be delivered. */
__sigaddset (&ss->pending, signo);
ss->sigcodes[signo] = sigcode;
__mutex_unlock (&ss->lock);
/* Send a message to the signal thread so it
will wake up and check for pending signals. */
__sig_post (_hurd_msgport, 0, __mach_task_self ());
}