zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/build/uClibc/libpthread/nptl/pthread_condattr_setclock.c b/ap/build/uClibc/libpthread/nptl/pthread_condattr_setclock.c
new file mode 100644
index 0000000..87597c8
--- /dev/null
+++ b/ap/build/uClibc/libpthread/nptl/pthread_condattr_setclock.c
@@ -0,0 +1,73 @@
+/* Copyright (C) 2003, 2004, 2007, 2008 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
+
+ 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 <assert.h>
+#include <errno.h>
+#include <stdbool.h>
+#include <time.h>
+#include <sysdep.h>
+#include "pthreadP.h"
+#include <bits/kernel-features.h>
+
+
+int
+pthread_condattr_setclock (
+ pthread_condattr_t *attr,
+ clockid_t clock_id)
+{
+ /* Only a few clocks are allowed. CLOCK_REALTIME is always allowed.
+ CLOCK_MONOTONIC only if the kernel has the necessary support. */
+ if (clock_id == CLOCK_MONOTONIC)
+ {
+#ifndef __ASSUME_POSIX_TIMERS
+# ifdef __NR_clock_getres
+ /* Check whether the clock is available. */
+ static int avail;
+
+ if (avail == 0)
+ {
+ struct timespec ts;
+
+ INTERNAL_SYSCALL_DECL (err);
+ int val;
+ val = INTERNAL_SYSCALL (clock_getres, err, 2, CLOCK_MONOTONIC, &ts);
+ avail = INTERNAL_SYSCALL_ERROR_P (val, err) ? -1 : 1;
+ }
+
+ if (avail < 0)
+# endif
+ /* Not available. */
+ return EINVAL;
+#endif
+ }
+ else if (clock_id != CLOCK_REALTIME)
+ /* If more clocks are allowed some day the storing of the clock ID
+ in the pthread_cond_t structure needs to be adjusted. */
+ return EINVAL;
+
+ /* Make sure the value fits in the bits we reserved. */
+ assert (clock_id < (1 << COND_NWAITERS_SHIFT));
+
+ int *valuep = &((struct pthread_condattr *) attr)->value;
+
+ *valuep = ((*valuep & ~(((1 << COND_NWAITERS_SHIFT) - 1) << 1))
+ | (clock_id << 1));
+
+ return 0;
+}