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Diffstat (limited to 'nptl_db/td_thr_event_getmsg.c')
-rw-r--r--nptl_db/td_thr_event_getmsg.c60
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;
+}