]>
Commit | Line | Data |
---|---|---|
76a50749 | 1 | /* Enable specific event for thread. |
dff8da6b | 2 | Copyright (C) 1999-2024 Free Software Foundation, Inc. |
76a50749 | 3 | This file is part of the GNU C Library. |
76a50749 UD |
4 | |
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. | |
9 | ||
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. | |
14 | ||
15 | You should have received a copy of the GNU Lesser General Public | |
59ba27a6 | 16 | License along with the GNU C Library; if not, see |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
76a50749 UD |
18 | |
19 | #include <stddef.h> | |
e054f494 | 20 | #include <stdint.h> |
76a50749 UD |
21 | |
22 | #include "thread_dbP.h" | |
23 | ||
24 | ||
25 | td_err_e | |
9dd346ff | 26 | td_thr_set_event (const td_thrhandle_t *th, td_thr_events_t *event) |
76a50749 | 27 | { |
7f08f55a RM |
28 | td_err_e err; |
29 | psaddr_t eventmask; | |
30 | void *copy; | |
31 | ||
76a50749 UD |
32 | LOG ("td_thr_set_event"); |
33 | ||
7f08f55a RM |
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); | |
37 | if (err == TD_OK) | |
38 | err = DB_GET_STRUCT (copy, th->th_ta_p, eventmask, td_thr_events_t); | |
39 | if (err == TD_OK) | |
40 | { | |
41 | uint32_t idx; | |
42 | for (idx = 0; idx < TD_EVENTSIZE; ++idx) | |
43 | { | |
44 | psaddr_t word; | |
45 | uint32_t mask; | |
46 | err = DB_GET_FIELD_LOCAL (word, th->th_ta_p, copy, | |
47 | td_thr_events_t, event_bits, idx); | |
48 | if (err != TD_OK) | |
49 | break; | |
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); | |
55 | if (err != TD_OK) | |
56 | break; | |
57 | } | |
58 | if (err == TD_NOAPLIC) | |
59 | { | |
60 | err = TD_OK; | |
61 | while (idx < TD_EVENTSIZE) | |
62 | if (event->event_bits[idx++] != 0) | |
63 | { | |
64 | err = TD_NOEVENT; | |
65 | break; | |
66 | } | |
67 | } | |
68 | if (err == TD_OK) | |
69 | /* Now write it back to the inferior. */ | |
70 | err = DB_PUT_STRUCT (th->th_ta_p, eventmask, td_thr_events_t, copy); | |
71 | } | |
72 | ||
73 | return err; | |
76a50749 | 74 | } |