Merge branch 'master' into columnfamilies

.clang-format

+# Complete list of style options can be found at: 
+# http://clang.llvm.org/docs/ClangFormatStyleOptions.html
+---
+BasedOnStyle: Google
+AccessModifierOffset: -1
+ConstructorInitializerIndentWidth: 4
+AlignEscapedNewlinesLeft: true
+AlignTrailingComments: true
+AllowAllParametersOfDeclarationOnNextLine: true
+AllowShortIfStatementsOnASingleLine: false
+AllowShortLoopsOnASingleLine: false
+AlwaysBreakTemplateDeclarations: true
+AlwaysBreakBeforeMultilineStrings: true
+BreakBeforeBinaryOperators: false
+BreakConstructorInitializersBeforeComma: false
+BinPackParameters: false
+ColumnLimit:     80
+ConstructorInitializerAllOnOneLineOrOnePerLine: true
+DerivePointerBinding: true
+ExperimentalAutoDetectBinPacking: true
+IndentCaseLabels: false
+MaxEmptyLinesToKeep: 1
+NamespaceIndentation: None
+ObjCSpaceBeforeProtocolList: false
+PenaltyBreakBeforeFirstCallParameter: 10
+PenaltyBreakComment: 60
+PenaltyBreakString: 1000
+PenaltyBreakFirstLessLess: 20
+PenaltyExcessCharacter: 1000000
+PenaltyReturnTypeOnItsOwnLine: 200
+PointerBindsToType: true
+SpacesBeforeTrailingComments: 2
+Cpp11BracedListStyle: true
+Standard:        Cpp11
+IndentWidth:     2
+TabWidth:        8
+UseTab:          Never
+BreakBeforeBraces: Attach
+IndentFunctionDeclarationAfterType: false
+SpacesInParentheses: false
+SpacesInAngles: false
+SpaceInEmptyParentheses: false
+SpacesInCStyleCastParentheses: false
+SpaceAfterControlStatementKeyword: true
+SpaceBeforeAssignmentOperators: true
+ContinuationIndentWidth: 4
+...

.gitignore

@@ -19,5 +19,4 @@ sst_dump
 util/build_version.cc
 build_tools/VALGRIND_LOGS/
 coverage/COVERAGE_REPORT
-util/build_version.cc.tmp
 .gdbhistory

build_tools/build_detect_version

@@ -5,38 +5,18 @@
 # is then built as a regular source file as part of the compilation process.
 # One can run "strings executable_filename | grep _build_" to find the version of
 # the source that we used to build the executable file.
-#
-
-# create git version file
-VFILE=$PWD/util/build_version.cc.tmp
-trap "rm $VFILE" EXIT
 
-# check to see if git is in the path
-which git > /dev/null
+OUTFILE="$PWD/util/build_version.cc"
 
-if [ "$?" = 0 ]; then
-  env -i git rev-parse HEAD 2>&1 |
-  awk '
-  BEGIN {
-    print "#include \"build_version.h\"\n"
-  }
-  { print "const char* rocksdb_build_git_sha = \"rocksdb_build_git_sha:" $0"\";" }
-  ' >  ${VFILE}
-else
-  echo "git not found" |
-  awk '
-    BEGIN {
-      print "#include \"build_version.h\""
-    }
-    { print "const char* rocksdb_build_git_sha = \"rocksdb_build_git_sha:git not found\";" }
-    ' > ${VFILE}
+GIT_SHA=""
+if command -v git >/dev/null 2>&1; then
+    GIT_SHA=$(git rev-parse HEAD 2>/dev/null)
 fi
 
-echo "const char* rocksdb_build_git_datetime = \"rocksdb_build_git_datetime:$(date)\";" >> ${VFILE}
-echo "const char* rocksdb_build_compile_date = __DATE__;" >> ${VFILE}
-echo "const char* rocksdb_build_compile_time = __TIME__;" >> ${VFILE}
-
-OUTFILE=$PWD/util/build_version.cc
-if [ ! -e $OUTFILE ] || ! cmp -s $VFILE $OUTFILE; then
-    cp $VFILE $OUTFILE
-fi
+cat > "${OUTFILE}" <<EOF
+#include "build_version.h"
+const char* rocksdb_build_git_sha = "rocksdb_build_git_sha:${GIT_SHA}";
+const char* rocksdb_build_git_datetime = "rocksdb_build_git_datetime:$(date)";
+const char* rocksdb_build_compile_date = __DATE__;
+const char* rocksdb_build_compile_time = __TIME__;
+EOF

build_tools/make_new_version.sh

+#!/bin/bash
+#  Copyright (c) 2013, Facebook, Inc.  All rights reserved.
+#  This source code is licensed under the BSD-style license found in the
+#  LICENSE file in the root directory of this source tree. An additional grant
+#  of patent rights can be found in the PATENTS file in the same directory.
+
+set -e
+# Print out the colored progress info so that it can be brainlessly 
+# distinguished by users.
+function title() {
+  echo -e "\033[1;32m$*\033[0m"
+}
+
+usage="Create new rocksdb version and prepare it for the release process\n"
+usage+="USAGE: ./make_new_version.sh <version>"
+
+# -- Pre-check
+if [[ $# < 1 ]]; then
+  echo -e $usage
+  exit 1
+fi
+
+ROCKSDB_VERSION=$1
+
+GIT_BRANCH=`git rev-parse --abbrev-ref HEAD`
+if [ $GIT_BRANCH != "master" ]; then
+  echo "Error: Current branch is '$GIT_BRANCH', Please switch to master branch."
+fi
+
+# --Step 1: cutting new tag
+title "Adding new tag for this release ..."
+git tag -a "$ROCKSDB_VERSION.fb" -m "Rocksdb $ROCKSDB_VERSION"
+
+# Setting up the proxy for remote repo access
+export http_proxy=http://172.31.255.99:8080
+export https_proxy="$http_proxy";
+
+title "Pushing new tag to remote repo ..."
+proxycmd.sh git push origin --tags
+
+# --Step 2: Update README.fb
+title "Updating the latest version info in README.fb ..."
+sed -i "s/Latest release is [0-9]\+.[0-9]\+.fb/Latest release is $ROCKSDB_VERSION.fb/" README.fb
+git commit README.fb -m "update the latest version in README.fb to $ROCKSDB_VERSION"
+proxycmd.sh git push
+
+# --Step 3: Prepare this repo for 3rd release
+title "Cleaning up repo ..."
+make clean
+git clean -fxd
+
+title "Generating the build info ..."
+# Comment out the call of `build_detection_version` so that the SHA number and build date of this
+# release will remain constant. Otherwise everytime we run "make" util/build_version.cc will be 
+# overridden.
+sed -i 's/^\$PWD\/build_tools\/build_detect_version$//' build_tools/build_detect_platform
+
+# Generate util/build_version.cc
+build_tools/build_detect_version
+
+title "Done!"

db/table_cache.cc

@@ -29,9 +29,9 @@ static void UnrefEntry(void* arg1, void* arg2) {
   cache->Release(h);
 }
 
-static Slice GetSliceForFileNumber(uint64_t file_number) {
-  return Slice(reinterpret_cast<const char*>(&file_number),
-               sizeof(file_number));
+static Slice GetSliceForFileNumber(uint64_t* file_number) {
+  return Slice(reinterpret_cast<const char*>(file_number),
+               sizeof(*file_number));
 }
 
 TableCache::TableCache(const std::string& dbname,
@@ -55,7 +55,7 @@ Status TableCache::FindTable(const EnvOptions& toptions,
                              Cache::Handle** handle, bool* table_io,
                              const bool no_io) {
   Status s;
-  Slice key = GetSliceForFileNumber(file_number);
+  Slice key = GetSliceForFileNumber(&file_number);
   *handle = cache_->Lookup(key);
   if (*handle == nullptr) {
     if (no_io) { // Dont do IO and return a not-found status
@@ -168,7 +168,7 @@ bool TableCache::PrefixMayMatch(const ReadOptions& options,
 }
 
 void TableCache::Evict(uint64_t file_number) {
-  cache_->Erase(GetSliceForFileNumber(file_number));
+  cache_->Erase(GetSliceForFileNumber(&file_number));
 }
 
 }  // namespace rocksdb

util/autovector_test.cc

@@ -17,7 +17,7 @@ using namespace std;
 
 class AutoVectorTest { };
 
-const size_t kSize = 8;
+const unsigned long kSize = 8;
 TEST(AutoVectorTest, PushBackAndPopBack) {
   autovector<size_t, kSize> vec;
   ASSERT_TRUE(vec.empty());