| /* Globally enable events. |
| Copyright (C) 1999-2014 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| Contributed by Ulrich Drepper <drepper@redhat.com>, 1999. |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| The GNU C Library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library; if not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include <stdint.h> |
| #include "thread_dbP.h" |
| |
| |
| td_err_e |
| td_ta_set_event (ta_arg, event) |
| const td_thragent_t *ta_arg; |
| td_thr_events_t *event; |
| { |
| td_thragent_t *const ta = (td_thragent_t *) ta_arg; |
| td_err_e err; |
| psaddr_t eventmask = 0; |
| void *copy = NULL; |
| |
| LOG ("td_ta_set_event"); |
| |
| /* Test whether the TA parameter is ok. */ |
| if (! ta_ok (ta)) |
| return TD_BADTA; |
| |
| /* Fetch the old event mask from the inferior and modify it in place. */ |
| err = DB_GET_SYMBOL (eventmask, ta, __nptl_threads_events); |
| if (err == TD_OK) |
| err = DB_GET_STRUCT (copy, ta, eventmask, td_thr_events_t); |
| if (err == TD_OK) |
| { |
| uint32_t idx; |
| for (idx = 0; idx < TD_EVENTSIZE; ++idx) |
| { |
| psaddr_t word; |
| uint32_t mask; |
| err = DB_GET_FIELD_LOCAL (word, ta, copy, |
| td_thr_events_t, event_bits, idx); |
| if (err != TD_OK) |
| break; |
| mask = (uintptr_t) word; |
| mask |= event->event_bits[idx]; |
| word = (psaddr_t) (uintptr_t) mask; |
| err = DB_PUT_FIELD_LOCAL (ta, copy, |
| td_thr_events_t, event_bits, idx, word); |
| if (err != TD_OK) |
| break; |
| } |
| if (err == TD_NOAPLIC) |
| { |
| err = TD_OK; |
| while (idx < TD_EVENTSIZE) |
| if (event->event_bits[idx++] != 0) |
| { |
| err = TD_NOEVENT; |
| break; |
| } |
| } |
| if (err == TD_OK) |
| /* Now write it back to the inferior. */ |
| err = DB_PUT_STRUCT (ta, eventmask, td_thr_events_t, copy); |
| } |
| |
| return err; |
| } |