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authorUlrich Drepper <drepper@redhat.com>1999-11-02 23:44:42 +0000
committerUlrich Drepper <drepper@redhat.com>1999-11-02 23:44:42 +0000
commita9cb398f7b2a6a8549ec33cdcc99f510566d3819 (patch)
tree03683c10060e9a77ed564004e04fa4e8c043db5d /linuxthreads_db/td_thr_event_getmsg.c
parent03fc7ab6ed4bc2f71964a3d31ad578821256b6bc (diff)
Update.
1999-11-02 Ulrich Drepper <drepper@cygnus.com> * sysdeps/unix/sysv/linux/i386/sys/procfs.h: Include sys/ucontext.h instead of duplicating definitions.
Diffstat (limited to 'linuxthreads_db/td_thr_event_getmsg.c')
-rw-r--r--linuxthreads_db/td_thr_event_getmsg.c34
1 files changed, 32 insertions, 2 deletions
diff --git a/linuxthreads_db/td_thr_event_getmsg.c b/linuxthreads_db/td_thr_event_getmsg.c
index 0fa4cd6fbe..4812ece4dd 100644
--- a/linuxthreads_db/td_thr_event_getmsg.c
+++ b/linuxthreads_db/td_thr_event_getmsg.c
@@ -18,13 +18,43 @@
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)
{
- /* XXX We have to figure out what has to be done. */
+ td_eventbuf_t event;
+
LOG (__FUNCTION__);
- return TD_NOCAPAB;
+
+ /* 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;
}