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+/* Basic platform-independent macro definitions for mutexes,
+ thread-specific data and parameters for malloc.
+ Copyright (C) 2003-2014 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ 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/>. */
+
+#ifndef _MALLOC_MACHINE_H
+#define _MALLOC_MACHINE_H
+
+#undef thread_atfork_static
+
+#include <atomic.h>
+#include <bits/libc-lock.h>
+
+__libc_lock_define (typedef, mutex_t)
+
+#define mutex_init(m) __libc_lock_init (*(m))
+#define mutex_lock(m) __libc_lock_lock (*(m))
+#define mutex_trylock(m) __libc_lock_trylock (*(m))
+#define mutex_unlock(m) __libc_lock_unlock (*(m))
+#define MUTEX_INITIALIZER LLL_LOCK_INITIALIZER
+
+/* This is defined by newer gcc version unique for each module. */
+extern void *__dso_handle __attribute__ ((__weak__));
+
+#include <fork.h>
+
+#define ATFORK_MEM static struct fork_handler atfork_mem
+
+#ifdef SHARED
+# define thread_atfork(prepare, parent, child) \
+ atfork_mem.prepare_handler = prepare; \
+ atfork_mem.parent_handler = parent; \
+ atfork_mem.child_handler = child; \
+ atfork_mem.dso_handle = __dso_handle; \
+ atfork_mem.refcntr = 1; \
+ __linkin_atfork (&atfork_mem)
+#else
+# define thread_atfork(prepare, parent, child) \
+ atfork_mem.prepare_handler = prepare; \
+ atfork_mem.parent_handler = parent; \
+ atfork_mem.child_handler = child; \
+ atfork_mem.dso_handle = &__dso_handle == NULL ? NULL : __dso_handle; \
+ atfork_mem.refcntr = 1; \
+ __linkin_atfork (&atfork_mem)
+#endif
+
+/* thread specific data for glibc */
+
+#include <bits/libc-tsd.h>
+
+typedef int tsd_key_t[1]; /* no key data structure, libc magic does it */
+__libc_tsd_define (static, void *, MALLOC) /* declaration/common definition */
+#define tsd_key_create(key, destr) ((void) (key))
+#define tsd_setspecific(key, data) __libc_tsd_set (void *, MALLOC, (data))
+#define tsd_getspecific(key, vptr) ((vptr) = __libc_tsd_get (void *, MALLOC))
+
+#include <sysdeps/generic/malloc-machine.h>
+
+#endif /* !defined(_MALLOC_MACHINE_H) */