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- /* Retrieve event.
- 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 <stddef.h>
- #include <string.h>
- #include "thread_dbP.h"
- td_err_e
- td_thr_event_getmsg (const td_thrhandle_t *th, td_event_msg_t *msg)
- {
- td_eventbuf_t event;
- LOG (__FUNCTION__);
- /* Read the even structure from the target. */
- if (ps_pdread (th->th_ta_p->ph,
- ((char *) th->th_unique
- + offsetof (struct _pthread_descr_struct, p_eventbuf)),
- &event, sizeof (td_eventbuf_t)) != PS_OK)
- return TD_ERR; /* XXX Other error value? */
- /* Check whether an event occurred. */
- if (event.eventnum == TD_EVENT_NONE)
- /* Nothing. */
- return TD_NOMSG;
- /* Fill the user's data structure. */
- msg->event = event.eventnum;
- msg->th_p = th;
- msg->msg.data = (uintptr_t) event.eventdata;
- /* And clear the event message in the target. */
- memset (&event, '\0', sizeof (td_eventbuf_t));
- if (ps_pdwrite (th->th_ta_p->ph,
- ((char *) th->th_unique
- + offsetof (struct _pthread_descr_struct, p_eventbuf)),
- &event, sizeof (td_eventbuf_t)) != PS_OK)
- return TD_ERR; /* XXX Other error value? */
- return TD_OK;
- }
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