update from main archive 960910
[glibc.git] / hurd / hurd-raise.c
blob8ebe2c8ff39847a2d57bdb6dfe03177cee3d19ff
1 /* Copyright (C) 1994, 1995, 1996 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Library General Public License as
6 published by the Free Software Foundation; either version 2 of the
7 License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Library General Public License for more details.
14 You should have received a copy of the GNU Library General Public
15 License along with the GNU C Library; see the file COPYING.LIB. If
16 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
17 Cambridge, MA 02139, USA. */
19 #include <hurd.h>
20 #include <hurd/signal.h>
21 #include <hurd/msg.h>
22 #include <setjmp.h>
24 /* Handle signal SIGNO in the calling thread.
25 If SS is not NULL it is the sigstate for the calling thread;
26 SS->lock is held on entry and released before return. */
28 void
29 _hurd_raise_signal (struct hurd_sigstate *ss,
30 int signo, const struct hurd_signal_detail *detail)
32 if (ss == NULL)
34 ss = _hurd_self_sigstate ();
35 __spin_lock (&ss->lock);
38 /* Mark SIGNO as pending to be delivered. */
39 __sigaddset (&ss->pending, signo);
40 ss->pending_data[signo] = *detail;
42 __spin_unlock (&ss->lock);
44 /* Send a message to the signal thread so it
45 will wake up and check for pending signals. */
46 __msg_sig_post (_hurd_msgport, signo, detail->code, __mach_task_self ());