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16ebe3a2a9
rocksdb/util
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Igor Canadi 16ebe3a2a9 Mmap reads should not return error if reading past file 
Summary:
Currently, mmap returns IOError when user tries to read data past the end of the file. This diff changes the behavior. Now, we return just the bytes that we can, and report the size we returned via a Slice result. This is consistent with non-mmap behavior and also pread() system call.

This diff is taken out of D45123.

Test Plan: make check

Reviewers: sdong

Reviewed By: sdong

Subscribers: dhruba, leveldb

Differential Revision: https://reviews.facebook.net/D45645
2015-08-26 14:51:38 -07:00
..
allocator.h Enforce write buffer memory limit across column families 2014-12-02 12:09:20 -08:00
arena_test.cc rocksdb: switch to gtest 2015-03-17 14:08:00 -07:00
arena.cc Commit both PR and internal code review changes 2015-07-07 16:58:20 -07:00
arena.h Removing unnecessary kInlineSize 2015-03-12 21:13:53 +03:00
auto_roll_logger_test.cc Fix when output level is 0 of universal compaction with trivial move 2015-07-27 14:25:57 -07:00
auto_roll_logger.cc Fix WinEnv::NowMicrosec 2015-07-22 14:36:43 -07:00
auto_roll_logger.h Windows Port from Microsoft 2015-07-01 16:13:56 -07:00
autovector_test.cc Make autovector_test runnable in ROCKSDB_LITE 2015-06-18 15:58:00 -07:00
autovector.h "make format" against last 10 commits 2015-07-13 13:50:18 -07:00
bloom_test.cc rocksdb: switch to gtest 2015-03-17 14:08:00 -07:00
bloom.cc fix typos 2015-04-25 18:14:27 +09:00
build_version.h build: do not relink every single binary just for a timestamp 2015-02-19 13:11:10 -08:00
cache_bench.cc Fix -Wshadow for tools 2014-11-07 15:04:30 -08:00
cache_test.cc Fix memory leaks in PinnedUsageTest 2015-06-19 09:43:08 -07:00
cache.cc Add Cache.GetPinnedUsageUsage() 2015-06-18 13:56:31 -07:00
channel.h Multithreaded backup and restore in BackupEngineImpl 2015-07-02 11:35:51 -07:00
coding_test.cc rocksdb: switch to gtest 2015-03-17 14:08:00 -07:00
coding.cc Removing BitStream* functions 2014-08-19 06:48:21 -07:00
coding.h Turn on -Wshorten-64-to-32 and fix all the errors 2014-11-11 16:47:22 -05:00
compaction_job_stats_impl.cc [Parallel L0-L1 Compaction Prep]: Giving Subcompactions Their Own State 2015-08-18 11:06:23 -07:00
comparator.cc Fixed Segmentation Fault in db_stress on OSX. 2015-08-11 10:55:27 -07:00
compression.h Fail DB::Open() when the requested compression is not available 2015-06-18 14:55:05 -07:00
crc32c_test.cc rocksdb: switch to gtest 2015-03-17 14:08:00 -07:00
crc32c.cc Print Fast CRC32 support information in DB LOG 2015-07-10 17:59:36 -07:00
crc32c.h Print Fast CRC32 support information in DB LOG 2015-07-10 17:59:36 -07:00
db_info_dumper.cc extend temp str buffer size 2015-07-16 13:56:17 +08:00
db_info_dumper.h Fix iOS compile with -Wshorten-64-to-32 2014-11-13 14:39:30 -05:00
db_test_util.cc Fix compact_files_example 2015-08-25 12:29:44 -07:00
db_test_util.h Add options.new_table_reader_for_compaction_inputs 2015-08-21 08:46:29 -07:00
delete_scheduler_impl.cc Rate limit deletes issued by DestroyDB 2015-08-19 15:02:17 -07:00
delete_scheduler_impl.h Rate limit deletes issued by DestroyDB 2015-08-19 15:02:17 -07:00
delete_scheduler_test.cc Rate limit deletes issued by DestroyDB 2015-08-19 15:02:17 -07:00
dynamic_bloom_test.cc rocksdb: switch to gtest 2015-03-17 14:08:00 -07:00
dynamic_bloom.cc Enforce write buffer memory limit across column families 2014-12-02 12:09:20 -08:00
dynamic_bloom.h Commit both PR and internal code review changes 2015-07-07 16:58:20 -07:00
env_hdfs.cc [Cleanup] Remove RandomRWFile 2015-08-12 10:18:59 -07:00
env_posix.cc Mmap reads should not return error if reading past file 2015-08-26 14:51:38 -07:00
env_test.cc [Cleanup] Remove RandomRWFile 2015-08-12 10:18:59 -07:00
env.cc Ensure Windows build w/o port/port.h in public headers 2015-07-16 12:10:16 -07:00
event_logger_test.cc rocksdb: switch to gtest 2015-03-17 14:08:00 -07:00
event_logger.cc Allow EventLogger to directly log from a JSONWriter. 2015-05-21 15:39:30 -07:00
event_logger.h Added JSON manifest dump option to ldb command 2015-07-17 10:07:40 -07:00
file_reader_writer_test.cc RangeSync not to sync last 1MB of the file 2015-07-21 16:22:40 -07:00
file_reader_writer.cc Measure file read latency histogram per level 2015-08-14 17:32:42 -07:00
file_reader_writer.h Measure file read latency histogram per level 2015-08-14 17:32:42 -07:00
file_util.cc Rate limit deletes issued by DestroyDB 2015-08-19 15:02:17 -07:00
file_util.h Rate limit deletes issued by DestroyDB 2015-08-19 15:02:17 -07:00
filelock_test.cc rocksdb: switch to gtest 2015-03-17 14:08:00 -07:00
filter_policy.cc Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
hash_cuckoo_rep.cc Make HashCuckooRep::ApproximateMemoryUsage() return reasonable estimation. 2015-08-18 13:19:55 -07:00
hash_cuckoo_rep.h Enforce write buffer memory limit across column families 2014-12-02 12:09:20 -08:00
hash_linklist_rep.cc "make format" against last 10 commits 2015-07-13 13:50:18 -07:00
hash_linklist_rep.h Enforce write buffer memory limit across column families 2014-12-02 12:09:20 -08:00
hash_skiplist_rep.cc rocksdb: Add missing override 2015-02-26 11:28:41 -08:00
hash_skiplist_rep.h Enforce write buffer memory limit across column families 2014-12-02 12:09:20 -08:00
hash.cc Turn on -Wshorten-64-to-32 and fix all the errors 2014-11-11 16:47:22 -05:00
hash.h Introduce GetThreadList API 2014-11-20 10:49:32 -08:00
heap_test.cc Fix compile on Mac 2015-07-16 11:22:21 +02:00
heap.h Replace std::priority_queue in MergingIterator with custom heap, take 2 2015-07-15 03:34:40 -07:00
histogram_test.cc fix typos 2015-04-25 18:14:27 +09:00
histogram.cc fix typos 2015-04-25 18:14:27 +09:00
histogram.h "make format" against last 10 commits 2015-07-13 13:50:18 -07:00
instrumented_mutex.cc Perf Context to report DB mutex waiting time 2015-02-09 17:55:12 -08:00
instrumented_mutex.h Add a counter for collecting the wait time on db mutex. 2015-02-04 21:39:45 -08:00
iostats_context_imp.h Removed two unused macros in iostats_context 2015-06-12 10:45:02 -07:00
iostats_context.cc Add options.compaction_measure_io_stats to print write I/O stats in compactions 2015-08-13 16:52:26 -07:00
ldb_cmd_execute_result.h Windows Port from Microsoft 2015-07-01 16:13:56 -07:00
ldb_cmd.cc dump_manifest supports DB with more number of levels 2015-08-03 11:02:09 -07:00
ldb_cmd.h Added JSON manifest dump option to ldb command 2015-07-17 10:07:40 -07:00
ldb_tool.cc Added 'dump_live_files' command to ldb tool. 2014-12-12 17:50:36 -08:00
log_buffer.cc Commit both PR and internal code review changes 2015-07-07 16:58:20 -07:00
log_buffer.h Windows Port from Microsoft 2015-07-01 16:13:56 -07:00
log_write_bench.cc Fix more gflag namespace issues 2014-05-09 08:41:02 -07:00
logging.cc Make the benchmark scripts configurable and add tests 2015-03-30 11:28:25 -07:00
logging.h Make the benchmark scripts configurable and add tests 2015-03-30 11:28:25 -07:00
manual_compaction_test.cc Ensure Windows build w/o port/port.h in public headers 2015-07-16 12:10:16 -07:00
memenv_test.cc Improved FileExists API 2015-07-20 17:20:40 -07:00
memenv.cc Improved FileExists API 2015-07-20 17:20:40 -07:00
mock_env_test.cc Improved FileExists API 2015-07-20 17:20:40 -07:00
mock_env.cc [Cleanup] Remove RandomRWFile 2015-08-12 10:18:59 -07:00
mock_env.h [Cleanup] Remove RandomRWFile 2015-08-12 10:18:59 -07:00
murmurhash.cc Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
murmurhash.h Turn on -Wshorten-64-to-32 and fix all the errors 2014-11-11 16:47:22 -05:00
mutable_cf_options.cc Don't let flushes preempt compactions 2015-07-17 12:02:52 -07:00
mutable_cf_options.h Changed 'num_subcompactions' to the more accurate 'max_subcompactions' 2015-08-21 14:25:34 -07:00
mutexlock.h Add separate Read/WriteUnlock methods in MutexRW. 2014-06-16 15:41:46 -07:00
options_builder.cc Remove the compability check on log2 OS_ANDROID as it's already blocked by ROCKSDB_LITE 2014-12-04 13:56:14 -08:00
options_helper.cc DBOptions serialization and deserialization 2015-08-18 13:30:18 -07:00
options_helper.h Changed 'num_subcompactions' to the more accurate 'max_subcompactions' 2015-08-21 14:25:34 -07:00
options_test.cc Changed 'num_subcompactions' to the more accurate 'max_subcompactions' 2015-08-21 14:25:34 -07:00
options.cc Changed 'num_subcompactions' to the more accurate 'max_subcompactions' 2015-08-21 14:25:34 -07:00
perf_context_imp.h more times in perf_context and iostats_context 2015-06-02 02:07:58 -07:00
perf_context.cc Ensure Windows build w/o port/port.h in public headers 2015-07-16 12:10:16 -07:00
perf_level_imp.h Windows Port from Microsoft 2015-07-01 16:13:56 -07:00
perf_level.cc Windows Port from Microsoft 2015-07-01 16:13:56 -07:00
perf_step_timer.h more times in perf_context and iostats_context 2015-06-02 02:07:58 -07:00
posix_logger.h Commit both PR and internal code review changes 2015-07-07 16:58:20 -07:00
random.h Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
rate_limiter_test.cc Enable dynamic changing of rate limiter's bytes_per_second 2015-03-18 15:35:55 -07:00
rate_limiter.cc Windows Port from Microsoft 2015-07-01 16:13:56 -07:00
rate_limiter.h Windows Port from Microsoft 2015-07-01 16:13:56 -07:00
scoped_arena_iterator.h Remove path with arena==nullptr from NewInternalIterator 2014-09-04 17:40:41 -07:00
skiplistrep.cc Allow GetApproximateSize() to include mem table size if it is skip list memtable 2015-06-16 18:13:23 -07:00
slice_transform_test.cc rocksdb: switch to gtest 2015-03-17 14:08:00 -07:00
slice.cc "make format" against last 10 commits 2015-07-13 13:50:18 -07:00
sst_dump_test.cc Compression sizes option for sst_dump_tool 2015-07-29 17:42:13 -07:00
sst_dump_tool_imp.h Compression sizes option for sst_dump_tool 2015-07-29 17:42:13 -07:00
sst_dump_tool.cc Merge branch 'master' of github.com:facebook/rocksdb 2015-08-04 10:56:49 -07:00
statistics.cc Add Statistics.getHistogramString() to print more detailed outputs of a histogram 2015-08-05 20:05:56 -07:00
statistics.h Add Statistics.getHistogramString() to print more detailed outputs of a histogram 2015-08-05 20:05:56 -07:00
status.cc Transaction error statuses 2015-08-11 17:52:56 -07:00
stl_wrappers.h Killing Transform Rep 2013-12-03 12:42:15 -08:00
stop_watch.h Change StopWatch interface 2014-07-28 12:22:37 -07:00
string_util.cc Clean up StringSplit 2014-11-21 11:05:28 -05:00
string_util.h Windows Port from Microsoft 2015-07-01 16:13:56 -07:00
sync_point.cc Move rate_limiter, write buffering, most perf context instrumentation and most random kill out of Env 2015-07-17 16:58:18 -07:00
sync_point.h Move rate_limiter, write buffering, most perf context instrumentation and most random kill out of Env 2015-07-17 16:58:18 -07:00
testharness.cc rocksdb: print status error message when (ASSERT|EXPECT)_OK fails 2015-03-19 17:32:43 -07:00
testharness.h rocksdb: print status error message when (ASSERT|EXPECT)_OK fails 2015-03-19 17:32:43 -07:00
testutil.cc Simplify querying of merge results 2015-08-17 17:34:38 -07:00
testutil.h Simplify querying of merge results 2015-08-17 17:34:38 -07:00
thread_list_test.cc rocksdb: switch to gtest 2015-03-17 14:08:00 -07:00
thread_local_test.cc Windows Port from Microsoft 2015-07-01 16:13:56 -07:00
thread_local.cc Fixed clang-build error in util/thread_local.cc 2015-08-11 13:30:49 -07:00
thread_local.h Fixed clang-build error in util/thread_local.cc 2015-08-11 13:30:49 -07:00
thread_operation.h Deprecate CompactionFilterV2 2015-07-17 18:59:11 +02:00
thread_status_impl.cc Windows Port from Microsoft 2015-07-01 16:13:56 -07:00
thread_status_updater_debug.cc Allow GetThreadList() to indicate a thread is doing Compaction. 2015-01-13 00:04:08 -08:00
thread_status_updater.cc Windows Port from Microsoft 2015-07-01 16:13:56 -07:00
thread_status_updater.h Windows Port from Microsoft 2015-07-01 16:13:56 -07:00
thread_status_util_debug.cc Fix bad performance in debug mode 2015-04-13 15:58:45 -07:00
thread_status_util.cc Only initialize the ThreadStatusData when necessary. 2015-06-17 11:21:18 -07:00
thread_status_util.h Only initialize the ThreadStatusData when necessary. 2015-06-17 11:21:18 -07:00
vectorrep.cc Windows Port from Microsoft 2015-07-01 16:13:56 -07:00
xfunc.cc Merge the latest changes from github/master 2015-07-02 17:23:41 -07:00
xfunc.h Merge the latest changes from github/master 2015-07-02 17:23:41 -07:00
xxhash.cc Prevent xxhash symbols from polluting global namespace 2015-03-12 12:07:10 -07:00
xxhash.h Prevent xxhash symbols from polluting global namespace 2015-03-12 12:07:10 -07:00