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-rw-r--r--nptl_db/td_thr_clear_event.c54
1 files changed, 54 insertions, 0 deletions
diff --git a/nptl_db/td_thr_clear_event.c b/nptl_db/td_thr_clear_event.c
new file mode 100644
index 0000000000..e729b52706
--- /dev/null
+++ b/nptl_db/td_thr_clear_event.c
@@ -0,0 +1,54 @@
+/* Disable specific event for thread.
+   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 "thread_dbP.h"
+
+
+td_err_e
+td_thr_clear_event (th, event)
+     const td_thrhandle_t *th;
+     td_thr_events_t *event;
+{
+  LOG ("td_thr_clear_event");
+
+  /* Write the new value into the thread data structure.  */
+  td_thr_events_t old_event;
+  if (ps_pdread (th->th_ta_p->ph,
+		 ((char *) th->th_unique
+		  + offsetof (struct pthread, eventbuf.eventmask)),
+		 &old_event, sizeof (td_thrhandle_t)) != PS_OK)
+    return TD_ERR;	/* XXX Other error value?  */
+
+  /* Remove the set bits in.  */
+  int i;
+  for (i = 0; i < TD_EVENTSIZE; ++i)
+    old_event.event_bits[i] &= ~event->event_bits[i];
+
+  /* Write the new value into the thread data structure.  */
+  if (ps_pdwrite (th->th_ta_p->ph,
+		  ((char *) th->th_unique
+		   + offsetof (struct pthread, eventbuf.eventmask)),
+		  &old_event, sizeof (td_thrhandle_t)) != PS_OK)
+    return TD_ERR;	/* XXX Other error value?  */
+
+  return TD_OK;
+}