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authorEthan Yonker <dees_troy@teamw.in>2015-01-27 15:50:48 +0100
committerEthan Yonker <dees_troy@teamw.in>2015-01-27 15:50:48 +0100
commit1b67fff3616416e7d634c20cc96703883352c504 (patch)
tree53cedd494a3785785c5c4b0ff92f30f5942b280d /mtp/tw_sys_atomics.h
parentUse TWAtomicInt in gui.cpp to make it thread safe (diff)
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Diffstat (limited to 'mtp/tw_sys_atomics.h')
-rw-r--r--mtp/tw_sys_atomics.h67
1 files changed, 0 insertions, 67 deletions
diff --git a/mtp/tw_sys_atomics.h b/mtp/tw_sys_atomics.h
deleted file mode 100644
index 6349a931d..000000000
--- a/mtp/tw_sys_atomics.h
+++ /dev/null
@@ -1,67 +0,0 @@
-/*
- * Copyright (C) 2008 The Android Open Source Project
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
- * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-#ifndef _TW_SYS_ATOMICS_H
-#define _TW_SYS_ATOMICS_H
-
-#include <sys/cdefs.h>
-#include <sys/time.h>
-
-__BEGIN_DECLS
-
-/* Note: atomic operations that were exported by the C library didn't
- * provide any memory barriers, which created potential issues on
- * multi-core devices. We now define them as inlined calls to
- * GCC sync builtins, which always provide a full barrier.
- *
- * NOTE: The C library still exports atomic functions by the same
- * name to ensure ABI stability for existing NDK machine code.
- *
- * If you are an NDK developer, we encourage you to rebuild your
- * unmodified sources against this header as soon as possible.
- */
-
-/* This was kanged from Android 4.4 bionic/libc/include/sys/atomics.h
- * This header was removed in Android 5.0 in favor of stdatomics.h but
- * to maintain compatibility across multiple trees, we are including our
- * own copy.
- */
-
-#ifndef __ATOMIC_INLINE__
-#define __ATOMIC_INLINE__ static __inline__ __attribute__((always_inline))
-#endif
-
-__ATOMIC_INLINE__ int
-__tw_atomic_cmpxchg(int old_value, int new_value, volatile int* ptr)
-{
- /* We must return 0 on success */
- return __sync_val_compare_and_swap(ptr, old_value, new_value) != old_value;
-}
-
-__END_DECLS
-
-#endif /* _TW_SYS_ATOMICS_H */