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authorSanjay Ghemawat <sanjay@google.com>2012-05-30 09:50:57 -0700
committerSanjay Ghemawat <sanjay@google.com>2012-05-30 09:50:57 -0700
commitb914f91b1049699aa2d0e08660aa9246b87bdcb7 (patch)
tree3f94c820e0dbcd931929c3986b528097046838a8
parent075a35a6d390167b77b687e067dd0ba593e7f624 (diff)
downloadleveldb-b914f91b1049699aa2d0e08660aa9246b87bdcb7.tar.gz
remove obsolete android port files
-rw-r--r--port/port_android.cc64
-rw-r--r--port/port_android.h159
2 files changed, 0 insertions, 223 deletions
diff --git a/port/port_android.cc b/port/port_android.cc
deleted file mode 100644
index 815abf2..0000000
--- a/port/port_android.cc
+++ /dev/null
@@ -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
diff --git a/port/port_android.h b/port/port_android.h
deleted file mode 100644
index b733388..0000000
--- a/port/port_android.h
+++ /dev/null
@@ -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_