1 /* Globally disable events.
2 Copyright (C) 1999-2013 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, see
18 <http://www.gnu.org/licenses/>. */
20 #include "thread_dbP.h"
24 td_ta_clear_event (ta_arg, event)
25 const td_thragent_t *ta_arg;
26 td_thr_events_t *event;
28 td_thragent_t *const ta = (td_thragent_t *) ta_arg;
30 psaddr_t eventmask = 0;
33 LOG ("td_ta_clear_event");
35 /* Test whether the TA parameter is ok. */
39 /* Fetch the old event mask from the inferior and modify it in place. */
40 err = DB_GET_SYMBOL (eventmask, ta, __nptl_threads_events);
42 err = DB_GET_STRUCT (copy, ta, eventmask, td_thr_events_t);
46 for (idx = 0; idx < TD_EVENTSIZE; ++idx)
50 err = DB_GET_FIELD_LOCAL (word, ta, copy,
51 td_thr_events_t, event_bits, idx);
54 mask = (uintptr_t) word;
55 mask &= ~event->event_bits[idx];
56 word = (psaddr_t) (uintptr_t) mask;
57 err = DB_PUT_FIELD_LOCAL (ta, copy,
58 td_thr_events_t, event_bits, idx, word);
62 if (err == TD_NOAPLIC)
65 while (idx < TD_EVENTSIZE)
66 if (event->event_bits[idx++] != 0)
73 /* Now write it back to the inferior. */
74 err = DB_PUT_STRUCT (ta, eventmask, td_thr_events_t, copy);