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58 lines
1.9 KiB
C
58 lines
1.9 KiB
C
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/* Disable specific event for thread.
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Copyright (C) 1999 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <stddef.h>
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#include "thread_dbP.h"
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td_err_e
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td_thr_clear_event (th, event)
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const td_thrhandle_t *th;
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td_thr_events_t *event;
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{
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td_thr_events_t old_event;
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int i;
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LOG (__FUNCTION__);
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/* Write the new value into the thread data structure. */
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if (ps_pdread (th->th_ta_p->ph,
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((char *) th->th_unique
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+ offsetof (struct _pthread_descr_struct,
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p_eventbuf.eventmask)),
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&old_event, sizeof (td_thrhandle_t)) != PS_OK)
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return TD_ERR; /* XXX Other error value? */
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/* Remove the set bits in. */
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for (i = 0; i < TD_EVENTSIZE; ++i)
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old_event.event_bits[i] &= ~event->event_bits[i];
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/* Write the new value into the thread data structure. */
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if (ps_pdwrite (th->th_ta_p->ph,
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((char *) th->th_unique
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+ offsetof (struct _pthread_descr_struct,
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p_eventbuf.eventmask)),
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&old_event, sizeof (td_thrhandle_t)) != PS_OK)
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return TD_ERR; /* XXX Other error value? */
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return TD_OK;
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}
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