diff options
Diffstat (limited to 'nptl_db/td_thr_event_getmsg.c')
-rw-r--r-- | nptl_db/td_thr_event_getmsg.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/nptl_db/td_thr_event_getmsg.c b/nptl_db/td_thr_event_getmsg.c new file mode 100644 index 0000000000..ffd0baadc5 --- /dev/null +++ b/nptl_db/td_thr_event_getmsg.c @@ -0,0 +1,60 @@ +/* Retrieve event. + Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@redhat.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, 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, eventbuf)), + &event, sizeof (td_eventbuf_t)) != PS_OK) + return TD_ERR; /* XXX Other error value? */ + + return TD_OK; +} |