zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/build/uClibc/libpthread/nptl/pthread_mutexattr_setprioceiling.c b/ap/build/uClibc/libpthread/nptl/pthread_mutexattr_setprioceiling.c
new file mode 100644
index 0000000..3a13fb8
--- /dev/null
+++ b/ap/build/uClibc/libpthread/nptl/pthread_mutexattr_setprioceiling.c
@@ -0,0 +1,47 @@
+/* Change priority ceiling setting in pthread_mutexattr_t.
+ Copyright (C) 2006 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Jakub Jelinek <jakub@redhat.com>, 2006.
+
+ 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 <errno.h>
+#include <pthreadP.h>
+
+
+int
+pthread_mutexattr_setprioceiling (
+ pthread_mutexattr_t *attr,
+ int prioceiling)
+{
+ if (__sched_fifo_min_prio == -1)
+ __init_sched_fifo_prio ();
+
+ if (__builtin_expect (prioceiling < __sched_fifo_min_prio, 0)
+ || __builtin_expect (prioceiling > __sched_fifo_max_prio, 0)
+ || __builtin_expect ((prioceiling
+ & (PTHREAD_MUTEXATTR_PRIO_CEILING_MASK
+ >> PTHREAD_MUTEXATTR_PRIO_CEILING_SHIFT))
+ != prioceiling, 0))
+ return EINVAL;
+
+ struct pthread_mutexattr *iattr = (struct pthread_mutexattr *) attr;
+
+ iattr->mutexkind = ((iattr->mutexkind & ~PTHREAD_MUTEXATTR_PRIO_CEILING_MASK)
+ | (prioceiling << PTHREAD_MUTEXATTR_PRIO_CEILING_SHIFT));
+
+ return 0;
+}