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authorRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
committerRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
commit28f540f45bbacd939bfd07f213bcad2bf730b1bf (patch)
tree15f07c4c43d635959c6afee96bde71fb1b3614ee /hurd/hurd-raise.c
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diff --git a/hurd/hurd-raise.c b/hurd/hurd-raise.c
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+/* Copyright (C) 1994, 1995 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, long int sigcode, int sigerror)
+{
+ if (ss == NULL)
+ {
+ ss = _hurd_self_sigstate ();
+ __spin_lock (&ss->lock);
+ }
+
+ /* Mark SIGNO as pending to be delivered. */
+ __sigaddset (&ss->pending, signo);
+ ss->pending_data[signo].code = sigcode;
+ ss->pending_data[signo].error = sigerror;
+
+ __spin_unlock (&ss->lock);
+
+ /* Send a message to the signal thread so it
+ will wake up and check for pending signals. */
+ __msg_sig_post (_hurd_msgport, 0, __mach_task_self ());
+}