remove obsolete android port files

port/port_android.cc

@@ -1,64 +0,0 @@
-// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file. See the AUTHORS file for names of contributors.
-
-#include "port/port_android.h"
-
-#include <cstdlib>
-
-extern "C" {
-size_t fread_unlocked(void *a, size_t b, size_t c, FILE *d) {
-  return fread(a, b, c, d);
-}
-
-size_t fwrite_unlocked(const void *a, size_t b, size_t c, FILE *d) {
-  return fwrite(a, b, c, d);
-}
-
-int fflush_unlocked(FILE *f) {
-  return fflush(f);
-}
-
-int fdatasync(int fd) {
-  return fsync(fd);
-}
-}
-
-namespace leveldb {
-namespace port {
-
-static void PthreadCall(const char* label, int result) {
-  if (result != 0) {
-    fprintf(stderr, "pthread %s: %s\n", label, strerror(result));
-    abort();
-  }
-}
-
-Mutex::Mutex() { PthreadCall("init mutex", pthread_mutex_init(&mu_, NULL)); }
-Mutex::~Mutex() { PthreadCall("destroy mutex", pthread_mutex_destroy(&mu_)); }
-void Mutex::Lock() { PthreadCall("lock", pthread_mutex_lock(&mu_)); }
-void Mutex::Unlock() { PthreadCall("unlock", pthread_mutex_unlock(&mu_)); }
-
-CondVar::CondVar(Mutex* mu)
-    : mu_(mu) {
-  PthreadCall("init cv", pthread_cond_init(&cv_, NULL));
-}
-
-CondVar::~CondVar() { 
-  PthreadCall("destroy cv", pthread_cond_destroy(&cv_));
-}
-
-void CondVar::Wait() {
-  PthreadCall("wait", pthread_cond_wait(&cv_, &mu_->mu_));
-}
-
-void CondVar::Signal(){
-  PthreadCall("signal", pthread_cond_signal(&cv_));
-}
-
-void CondVar::SignalAll() {
-  PthreadCall("broadcast", pthread_cond_broadcast(&cv_));
-}
-
-}  // namespace port
-}  // namespace leveldb

port/port_android.h

@@ -1,159 +0,0 @@
-// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file. See the AUTHORS file for names of contributors.
-//
-// See port_example.h for documentation for the following types/functions.
-
-#ifndef STORAGE_LEVELDB_PORT_PORT_ANDROID_H_
-#define STORAGE_LEVELDB_PORT_PORT_ANDROID_H_
-
-#include <endian.h>
-#include <pthread.h>
-#include <stdint.h>
-#include <unistd.h>
-#include <string>
-#include <cctype>
-
-// Collapse the plethora of ARM flavors available to an easier to manage set
-// Defs reference is at https://wiki.edubuntu.org/ARM/Thumb2PortingHowto
-#if defined(__ARM_ARCH_6__) || \
-    defined(__ARM_ARCH_6J__) || \
-    defined(__ARM_ARCH_6K__) || \
-    defined(__ARM_ARCH_6Z__) || \
-    defined(__ARM_ARCH_6T2__) || \
-    defined(__ARM_ARCH_6ZK__) || \
-    defined(__ARM_ARCH_7__) || \
-    defined(__ARM_ARCH_7R__) || \
-    defined(__ARM_ARCH_7A__)
-#define ARMV6_OR_7 1
-#endif
-
-extern "C" {
-  size_t fread_unlocked(void *a, size_t b, size_t c, FILE *d);
-  size_t fwrite_unlocked(const void *a, size_t b, size_t c, FILE *d);
-  int fflush_unlocked(FILE *f);
-  int fdatasync (int fd);
-}
-
-namespace leveldb {
-namespace port {
-
-static const bool kLittleEndian = __BYTE_ORDER == __LITTLE_ENDIAN;
-
-class CondVar;
-
-class Mutex {
- public:
-  Mutex();
-  ~Mutex();
-
-  void Lock();
-  void Unlock();
-  void AssertHeld() {
-    //TODO(gabor): How can I implement this?
-  }
-
- private:
-  friend class CondVar;
-  pthread_mutex_t mu_;
-
-  // No copying
-  Mutex(const Mutex&);
-  void operator=(const Mutex&);
-};
-
-class CondVar {
- public:
-  explicit CondVar(Mutex* mu);
-  ~CondVar();
-  void Wait();
-  void Signal();
-  void SignalAll();
- private:
-  Mutex* mu_;
-  pthread_cond_t cv_;
-};
-
-#ifndef ARMV6_OR_7
-// On ARM chipsets <V6, 0xffff0fa0 is the hard coded address of a 
-// memory barrier function provided by the kernel.
-typedef void (*LinuxKernelMemoryBarrierFunc)(void);
-// TODO(user): ATTRIBUTE_WEAK is undefined, so this fails to build on
-// non-ARMV6_OR_7. We may be able to replace it with __attribute__((weak)) for
-// older ARM builds, but x86 builds will require a different memory barrier.
-LinuxKernelMemoryBarrierFunc pLinuxKernelMemoryBarrier ATTRIBUTE_WEAK =
-    (LinuxKernelMemoryBarrierFunc) 0xffff0fa0;
-#endif
-
-// Storage for a lock-free pointer
-class AtomicPointer {
- private:
-  void* rep_;
-
-  inline void MemoryBarrier() const {
-    // TODO(gabor): This only works on Android instruction sets >= V6
-#ifdef ARMV6_OR_7
-    __asm__ __volatile__("dmb" : : : "memory");
-#else
-    pLinuxKernelMemoryBarrier();
-#endif
-  }
-
- public:
-  AtomicPointer() { }
-  explicit AtomicPointer(void* v) : rep_(v) { }
-  inline void* Acquire_Load() const {
-    void* r = rep_;
-    MemoryBarrier();
-    return r;
-  }
-  inline void Release_Store(void* v) {
-    MemoryBarrier();
-    rep_ = v;
-  }
-  inline void* NoBarrier_Load() const {
-    void* r = rep_;
-    return r;
-  }
-  inline void NoBarrier_Store(void* v) {
-    rep_ = v;
-  }
-};
-
-// TODO(gabor): Implement compress
-inline bool Snappy_Compress(
-    const char* input,
-    size_t input_length,
-    std::string* output) {
-  return false;
-}
-
-// TODO(gabor): Implement uncompress
-inline bool Snappy_GetUncompressedLength(const char* input, size_t length,
-                                         size_t* result) {
-  return false;
-}
-
-// TODO(gabor): Implement uncompress
-inline bool Snappy_Uncompress(
-    const char* input_data,
-    size_t input_length,
-    char* output) {
-  return false;
-}
-
-inline uint64_t ThreadIdentifier() {
-  pthread_t tid = pthread_self();
-  uint64_t r = 0;
-  memcpy(&r, &tid, sizeof(r) < sizeof(tid) ? sizeof(r) : sizeof(tid));
-  return r;
-}
-
-inline bool GetHeapProfile(void (*func)(void*, const char*, int), void* arg) {
-  return false;
-}
-
-}  // namespace port
-}  // namespace leveldb
-
-#endif  // STORAGE_LEVELDB_PORT_PORT_ANDROID_H_