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| author | Tatsuhiro Tsujikawa <tatsuhiro.t@gmail.com> | 2012-06-23 21:28:41 +0900 |
|---|---|---|
| committer | Tatsuhiro Tsujikawa <tatsuhiro.t@gmail.com> | 2012-06-24 16:28:04 +0900 |
| commit | 96720b297d50d290bda746fab75e0078ac5f975b (patch) | |
| tree | f2176e1da9b38c69cb0cba9d495201907dbf4625 /src/MultiDiskAdaptor.cc | |
| parent | 38426d744b918088a35e41afd6acbe86a904c441 (diff) | |
Added --enable-mmap option.
If this option is used, map files into memory using mmap(2). This
option is experimental.
Diffstat (limited to 'src/MultiDiskAdaptor.cc')
| -rw-r--r-- | src/MultiDiskAdaptor.cc | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/src/MultiDiskAdaptor.cc b/src/MultiDiskAdaptor.cc index 17f3198d..43bd3a82 100644 --- a/src/MultiDiskAdaptor.cc +++ b/src/MultiDiskAdaptor.cc @@ -119,7 +119,8 @@ bool DiskWriterEntry::operator<(const DiskWriterEntry& entry) const MultiDiskAdaptor::MultiDiskAdaptor() : pieceLength_(0), maxOpenFiles_(DEFAULT_MAX_OPEN_FILES), - readOnly_(false) + readOnly_(false), + enableMmap_(false) {} MultiDiskAdaptor::~MultiDiskAdaptor() {} @@ -230,6 +231,9 @@ void MultiDiskAdaptor::resetDiskWriterEntries() if(readOnly_) { (*i)->getDiskWriter()->enableReadOnly(); } + if(enableMmap_) { + (*i)->getDiskWriter()->enableMmap(); + } } } } @@ -451,6 +455,11 @@ void MultiDiskAdaptor::disableReadOnly() readOnly_ = false; } +void MultiDiskAdaptor::enableMmap() +{ + enableMmap_ = true; +} + void MultiDiskAdaptor::cutTrailingGarbage() { for(std::vector<SharedHandle<DiskWriterEntry> >::const_iterator i = |