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/* Globally enable events. Copyright (C) 1999,2001,2002,2003,2004 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 "thread_dbP.h" td_err_e td_ta_set_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; } |