1 /* Disable specific event for thread.
2 Copyright (C) 1999-2023 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
22 #include "thread_dbP.h"
26 td_thr_clear_event (const td_thrhandle_t *th, td_thr_events_t *event)
32 LOG ("td_thr_clear_event");
34 /* Fetch the old event mask from the inferior and modify it in place. */
35 err = DB_GET_FIELD_ADDRESS (eventmask, th->th_ta_p,
36 th->th_unique, pthread, eventbuf_eventmask, 0);
38 err = DB_GET_STRUCT (copy, th->th_ta_p, eventmask, td_thr_events_t);
42 for (idx = 0; idx < TD_EVENTSIZE; ++idx)
46 err = DB_GET_FIELD_LOCAL (word, th->th_ta_p, copy,
47 td_thr_events_t, event_bits, idx);
50 mask = (uintptr_t) word;
51 mask &= ~event->event_bits[idx];
52 word = (psaddr_t) (uintptr_t) mask;
53 err = DB_PUT_FIELD_LOCAL (th->th_ta_p, copy,
54 td_thr_events_t, event_bits, idx, word);
58 if (err == TD_NOAPLIC)
61 while (idx < TD_EVENTSIZE)
62 if (event->event_bits[idx++] != 0)
69 /* Now write it back to the inferior. */
70 err = DB_PUT_STRUCT (th->th_ta_p, eventmask, td_thr_events_t, copy);