glibc/linuxthreads_db/td_ta_clear_event.c
1999-11-10 05:05:07 +00:00

54 lines
1.8 KiB
C

/* Globally disable events.
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 Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include "thread_dbP.h"
td_err_e
td_ta_clear_event (ta, event)
const td_thragent_t *ta;
td_thr_events_t *event;
{
td_thr_events_t old_event;
int i;
LOG (__FUNCTION__);
/* Test whether the TA parameter is ok. */
if (! ta_ok (ta))
return TD_BADTA;
/* Write the new value into the thread data structure. */
if (ps_pdread (ta->ph, ta->pthread_threads_eventsp,
&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 (ta->ph, ta->pthread_threads_eventsp,
&old_event, sizeof (td_thrhandle_t)) != PS_OK)
return TD_ERR; /* XXX Other error value? */
return TD_OK;
}