1 /* Disable specific event for thread.
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/>. */
22 #include "thread_dbP.h"
26 td_thr_clear_event (th, event)
27 const td_thrhandle_t *th;
28 td_thr_events_t *event;
34 LOG ("td_thr_clear_event");
36 /* Fetch the old event mask from the inferior and modify it in place. */
37 err = DB_GET_FIELD_ADDRESS (eventmask, th->th_ta_p,
38 th->th_unique, pthread, eventbuf_eventmask, 0);
40 err = DB_GET_STRUCT (copy, th->th_ta_p, eventmask, td_thr_events_t);
44 for (idx = 0; idx < TD_EVENTSIZE; ++idx)
48 err = DB_GET_FIELD_LOCAL (word, th->th_ta_p, copy,
49 td_thr_events_t, event_bits, idx);
52 mask = (uintptr_t) word;
53 mask &= ~event->event_bits[idx];
54 word = (psaddr_t) (uintptr_t) mask;
55 err = DB_PUT_FIELD_LOCAL (th->th_ta_p, copy,
56 td_thr_events_t, event_bits, idx, word);
60 if (err == TD_NOAPLIC)
63 while (idx < TD_EVENTSIZE)
64 if (event->event_bits[idx++] != 0)
71 /* Now write it back to the inferior. */
72 err = DB_PUT_STRUCT (th->th_ta_p, eventmask, td_thr_events_t, copy);