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Diffstat (limited to 'libpthread/nptl_db/td_thr_set_event.c')
-rw-r--r--libpthread/nptl_db/td_thr_set_event.c77
1 files changed, 77 insertions, 0 deletions
diff --git a/libpthread/nptl_db/td_thr_set_event.c b/libpthread/nptl_db/td_thr_set_event.c
new file mode 100644
index 000000000..6617147a8
--- /dev/null
+++ b/libpthread/nptl_db/td_thr_set_event.c
@@ -0,0 +1,77 @@
+/* Enable specific event for thread.
+ Copyright (C) 1999,2001,2002,2003 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 "thread_dbP.h"
+
+
+td_err_e
+td_thr_set_event (th, event)
+ const td_thrhandle_t *th;
+ td_thr_events_t *event;
+{
+ td_err_e err;
+ psaddr_t eventmask;
+ void *copy = NULL;
+
+ LOG ("td_thr_set_event");
+
+ /* Fetch the old event mask from the inferior and modify it in place. */
+ err = DB_GET_FIELD_ADDRESS (eventmask, th->th_ta_p,
+ th->th_unique, pthread, eventbuf_eventmask, 0);
+ if (err == TD_OK)
+ err = DB_GET_STRUCT (copy, th->th_ta_p, eventmask, td_thr_events_t);
+ if (err == TD_OK)
+ {
+ uint32_t idx;
+ for (idx = 0; idx < TD_EVENTSIZE; ++idx)
+ {
+ psaddr_t word;
+ uint32_t mask;
+ err = DB_GET_FIELD_LOCAL (word, th->th_ta_p, copy,
+ td_thr_events_t, event_bits, idx);
+ if (err != TD_OK)
+ break;
+ mask = (uintptr_t) word;
+ mask |= event->event_bits[idx];
+ word = (psaddr_t) (uintptr_t) mask;
+ err = DB_PUT_FIELD_LOCAL (th->th_ta_p, copy,
+ td_thr_events_t, event_bits, idx, word);
+ if (err != TD_OK)
+ break;
+ }
+ if (err == TD_NOAPLIC)
+ {
+ err = TD_OK;
+ while (idx < TD_EVENTSIZE)
+ if (event->event_bits[idx++] != 0)
+ {
+ err = TD_NOEVENT;
+ break;
+ }
+ }
+ if (err == TD_OK)
+ /* Now write it back to the inferior. */
+ err = DB_PUT_STRUCT (th->th_ta_p, eventmask, td_thr_events_t, copy);
+ }
+
+ return err;
+}