1 /* Copyright (C) 1991,92,93,94,95,96,97,2002 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 Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the 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 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, write to the Free
16 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
22 #include <hurd/signal.h>
25 /* If SET is not NULL, modify the current set of blocked signals
26 according to HOW, which may be SIG_BLOCK, SIG_UNBLOCK or SIG_SETMASK.
27 If OSET is not NULL, store the old set of blocked signals in *OSET. */
29 __sigprocmask (how
, set
, oset
)
34 struct hurd_sigstate
*ss
;
41 ss
= _hurd_self_sigstate ();
43 __spin_lock (&ss
->lock
);
52 __sigorset (&ss
->blocked
, &ss
->blocked
, &new);
64 __spin_unlock (&ss
->lock
);
69 ss
->blocked
&= ~_SIG_CANT_MASK
;
72 pending
= ss
->pending
& ~ss
->blocked
;
74 __spin_unlock (&ss
->lock
);
80 /* Send a message to the signal thread so it
81 will wake up and check for pending signals. */
82 __msg_sig_post (_hurd_msgport
, 0, 0, __mach_task_self ());
87 weak_alias (__sigprocmask
, sigprocmask
)