Update.
[glibc.git] / linuxthreads_db / td_ta_clear_event.c
blob02d83360fa2e42eea013e0a3d11e0e18dbec0c68
1 /* Globally disable events.
2 Copyright (C) 1999 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Library General Public License as
8 published by the Free Software Foundation; either version 2 of the
9 License, or (at your option) any later version.
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Library General Public License for more details.
16 You should have received a copy of the GNU Library General Public
17 License along with the GNU C Library; see the file COPYING.LIB. If not,
18 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19 Boston, MA 02111-1307, USA. */
21 #include "thread_dbP.h"
24 td_err_e
25 td_ta_clear_event (ta, event)
26 const td_thragent_t *ta;
27 td_thr_events_t *event;
29 td_thr_events_t old_event;
30 int i;
32 LOG (__FUNCTION__);
34 /* Test whether the TA parameter is ok. */
35 if (! ta_ok (ta))
36 return TD_BADTA;
38 /* Write the new value into the thread data structure. */
39 if (ps_pdread (ta->ph, ta->pthread_threads_eventsp,
40 &old_event, sizeof (td_thrhandle_t)) != PS_OK)
41 return TD_ERR; /* XXX Other error value? */
43 /* Remove the set bits in. */
44 for (i = 0; i < TD_EVENTSIZE; ++i)
45 old_event.event_bits[i] &= ~event->event_bits[i];
47 /* Write the new value into the thread data structure. */
48 if (ps_pdwrite (ta->ph, ta->pthread_threads_eventsp,
49 &old_event, sizeof (td_thrhandle_t)) != PS_OK)
50 return TD_ERR; /* XXX Other error value? */
52 return TD_OK;