[Feature][T106]ZXW P56U09 code
Only Configure: Yes
Affected branch: master
Affected module: unknow
Is it affected on both ZXIC and MTK: only ZXIC
Self-test: No
Doc Update: No
Change-Id: I3cbd8b420271eb20c2b40ebe5c78f83059cd42f3
diff --git a/ap/libc/glibc/glibc-2.23/nptl/pthread_cond_broadcast.c b/ap/libc/glibc/glibc-2.23/nptl/pthread_cond_broadcast.c
new file mode 100644
index 0000000..552fd42
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.23/nptl/pthread_cond_broadcast.c
@@ -0,0 +1,93 @@
+/* Copyright (C) 2003-2016 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Martin Schwidefsky <schwidefsky@de.ibm.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, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <endian.h>
+#include <errno.h>
+#include <sysdep.h>
+#include <lowlevellock.h>
+#include <pthread.h>
+#include <pthreadP.h>
+#include <stap-probe.h>
+
+#include <shlib-compat.h>
+#include <kernel-features.h>
+
+
+int
+__pthread_cond_broadcast (pthread_cond_t *cond)
+{
+ LIBC_PROBE (cond_broadcast, 1, cond);
+
+ int pshared = (cond->__data.__mutex == (void *) ~0l)
+ ? LLL_SHARED : LLL_PRIVATE;
+ /* Make sure we are alone. */
+ lll_lock (cond->__data.__lock, pshared);
+
+ /* Are there any waiters to be woken? */
+ if (cond->__data.__total_seq > cond->__data.__wakeup_seq)
+ {
+ /* Yes. Mark them all as woken. */
+ cond->__data.__wakeup_seq = cond->__data.__total_seq;
+ cond->__data.__woken_seq = cond->__data.__total_seq;
+ cond->__data.__futex = (unsigned int) cond->__data.__total_seq * 2;
+ int futex_val = cond->__data.__futex;
+ /* Signal that a broadcast happened. */
+ ++cond->__data.__broadcast_seq;
+
+ /* We are done. */
+ lll_unlock (cond->__data.__lock, pshared);
+
+ /* Wake everybody. */
+ pthread_mutex_t *mut = (pthread_mutex_t *) cond->__data.__mutex;
+
+ /* Do not use requeue for pshared condvars. */
+ if (mut == (void *) ~0l
+ || PTHREAD_MUTEX_PSHARED (mut) & PTHREAD_MUTEX_PSHARED_BIT)
+ goto wake_all;
+
+#if (defined lll_futex_cmp_requeue_pi \
+ && defined __ASSUME_REQUEUE_PI)
+ if (USE_REQUEUE_PI (mut))
+ {
+ if (lll_futex_cmp_requeue_pi (&cond->__data.__futex, 1, INT_MAX,
+ &mut->__data.__lock, futex_val,
+ LLL_PRIVATE) == 0)
+ return 0;
+ }
+ else
+#endif
+ /* lll_futex_requeue returns 0 for success and non-zero
+ for errors. */
+ if (!__builtin_expect (lll_futex_requeue (&cond->__data.__futex, 1,
+ INT_MAX, &mut->__data.__lock,
+ futex_val, LLL_PRIVATE), 0))
+ return 0;
+
+wake_all:
+ lll_futex_wake (&cond->__data.__futex, INT_MAX, pshared);
+ return 0;
+ }
+
+ /* We are done. */
+ lll_unlock (cond->__data.__lock, pshared);
+
+ return 0;
+}
+
+versioned_symbol (libpthread, __pthread_cond_broadcast, pthread_cond_broadcast,
+ GLIBC_2_3_2);