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[/] [openrisc/] [trunk/] [gnu-stable/] [newlib-1.18.0/] [newlib/] [libc/] [sys/] [linux/] [linuxthreads/] [td_thr_set_event.c] - Blame information for rev 829

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Line No. Rev Author Line
1 207 jeremybenn
/* Enable 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 Lesser General Public
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   License as published by the Free Software Foundation; either
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   version 2.1 of the 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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   Lesser General Public License for more details.
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   You should have received a copy of the GNU Lesser General Public
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   License along with the GNU C Library; if not, write to the Free
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   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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   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_set_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 ("td_thr_set_event");
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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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  /* Or the new 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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