| /* Disable specific event for thread. |
| Copyright (C) 1999 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| Contributed by Ulrich Drepper <drepper@cygnus.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, write to the Free |
| Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 02111-1307 USA. */ |
| |
| #include <stddef.h> |
| |
| #include "thread_dbP.h" |
| |
| |
| td_err_e |
| td_thr_clear_event (th, event) |
| const td_thrhandle_t *th; |
| td_thr_events_t *event; |
| { |
| td_thr_events_t old_event; |
| int i; |
| |
| LOG ("td_thr_clear_event"); |
| |
| /* Write the new value into the thread data structure. */ |
| if (ps_pdread (th->th_ta_p->ph, |
| ((char *) th->th_unique |
| + offsetof (struct _pthread_descr_struct, |
| p_eventbuf.eventmask)), |
| &old_event, sizeof (td_thrhandle_t)) != PS_OK) |
| return TD_ERR; /* XXX Other error value? */ |
| |
| /* Remove the set bits in. */ |
| for (i = 0; i < TD_EVENTSIZE; ++i) |
| old_event.event_bits[i] &= ~event->event_bits[i]; |
| |
| /* Write the new value into the thread data structure. */ |
| if (ps_pdwrite (th->th_ta_p->ph, |
| ((char *) th->th_unique |
| + offsetof (struct _pthread_descr_struct, |
| p_eventbuf.eventmask)), |
| &old_event, sizeof (td_thrhandle_t)) != PS_OK) |
| return TD_ERR; /* XXX Other error value? */ |
| |
| return TD_OK; |
| } |