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Diffstat (limited to 'linuxthreads_db/td_thr_clear_event.c')
-rw-r--r--linuxthreads_db/td_thr_clear_event.c62
1 files changed, 62 insertions, 0 deletions
diff --git a/linuxthreads_db/td_thr_clear_event.c b/linuxthreads_db/td_thr_clear_event.c
new file mode 100644
index 0000000000..c027fc09fd
--- /dev/null
+++ b/linuxthreads_db/td_thr_clear_event.c
@@ -0,0 +1,62 @@
+/* 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@cygnus.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;
+{
+ td_thr_events_t old_event;
+ int i;
+
+ LOG ("td_thr_clear_event");
+
+ /* If the thread descriptor has not yet been constructed do not do
+ anything. */
+ if (th->th_unique == NULL)
+ return TD_OK;
+
+ /* Write the new value into the thread data structure. */
+ if (ps_pdread (th->th_ta_p->ph,
+ ((char *) th->th_unique
+ + offsetof (struct _pthread_descr_struct,
+ p_eventbuf.eventmask)),
+ &old_event, sizeof (td_thrhandle_t)) != PS_OK)
+ return TD_ERR; /* XXX Other error value? */
+
+ /* Remove the set bits in. */
+ 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_descr_struct,
+ p_eventbuf.eventmask)),
+ &old_event, sizeof (td_thrhandle_t)) != PS_OK)
+ return TD_ERR; /* XXX Other error value? */
+
+ return TD_OK;
+}