| /* 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 Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 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 |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library; 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 ("td_thr_event_getmsg"); |
| |
| /* 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; |
| } |