[Feature][ZXW-33]merge ZXW 0428 version
Change-Id: I11f167edfea428d9fab198ff00ff1364932d1b0b
diff --git a/ap/libc/glibc/glibc-2.23/nptl/sem_init.c b/ap/libc/glibc/glibc-2.23/nptl/sem_init.c
new file mode 100644
index 0000000..be0f27d
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.23/nptl/sem_init.c
@@ -0,0 +1,88 @@
+/* Copyright (C) 2002-2016 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
+
+ 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 <errno.h>
+#include <semaphore.h>
+#include <shlib-compat.h>
+#include "semaphoreP.h"
+#include <kernel-features.h>
+#include <futex-internal.h>
+
+
+int
+__new_sem_init (sem_t *sem, int pshared, unsigned int value)
+{
+ /* Parameter sanity check. */
+ if (__glibc_unlikely (value > SEM_VALUE_MAX))
+ {
+ __set_errno (EINVAL);
+ return -1;
+ }
+ pshared = pshared != 0 ? PTHREAD_PROCESS_SHARED : PTHREAD_PROCESS_PRIVATE;
+ int err = futex_supports_pshared (pshared);
+ if (err != 0)
+ {
+ __set_errno (err);
+ return -1;
+ }
+
+ /* Map to the internal type. */
+ struct new_sem *isem = (struct new_sem *) sem;
+
+ /* Use the values the caller provided. */
+#if __HAVE_64B_ATOMICS
+ isem->data = value;
+#else
+ isem->value = value << SEM_VALUE_SHIFT;
+ isem->nwaiters = 0;
+#endif
+
+ isem->private = (pshared == PTHREAD_PROCESS_PRIVATE
+ ? FUTEX_PRIVATE : FUTEX_SHARED);
+
+ return 0;
+}
+versioned_symbol (libpthread, __new_sem_init, sem_init, GLIBC_2_1);
+
+
+
+#if SHLIB_COMPAT(libpthread, GLIBC_2_0, GLIBC_2_1)
+int
+attribute_compat_text_section
+__old_sem_init (sem_t *sem, int pshared, unsigned int value)
+{
+ /* Parameter sanity check. */
+ if (__glibc_unlikely (value > SEM_VALUE_MAX))
+ {
+ __set_errno (EINVAL);
+ return -1;
+ }
+
+ /* Map to the internal type. */
+ struct old_sem *isem = (struct old_sem *) sem;
+
+ /* Use the value the user provided. */
+ isem->value = value;
+
+ /* We cannot store the PSHARED attribute. So we always use the
+ operations needed for shared semaphores. */
+
+ return 0;
+}
+compat_symbol (libpthread, __old_sem_init, sem_init, GLIBC_2_0);
+#endif