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| author | Jisi Liu <jisi.liu@gmail.com> | 2016-04-28 14:34:59 -0700 |
|---|---|---|
| committer | Jisi Liu <jisi.liu@gmail.com> | 2016-04-28 14:34:59 -0700 |
| commit | cf14183bcd5485b4a71541599ddce0b35eb71352 (patch) | |
| tree | 12f6e5eb731d7a70cdac4cdafc8b3131629413e2 /src/google/protobuf/arena.cc | |
| parent | f00300d7f04f1c38a7d70e271f9232b94dd0e326 (diff) | |
| download | protobuf-cf14183bcd5485b4a71541599ddce0b35eb71352.tar.gz protobuf-cf14183bcd5485b4a71541599ddce0b35eb71352.tar.bz2 protobuf-cf14183bcd5485b4a71541599ddce0b35eb71352.zip | |
Down integrate from Google internal.
Diffstat (limited to 'src/google/protobuf/arena.cc')
| -rwxr-xr-x | src/google/protobuf/arena.cc | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/google/protobuf/arena.cc b/src/google/protobuf/arena.cc index e856f5b1..613e5897 100755 --- a/src/google/protobuf/arena.cc +++ b/src/google/protobuf/arena.cc @@ -30,6 +30,7 @@ #include <google/protobuf/arena.h> + #ifdef ADDRESS_SANITIZER #include <sanitizer/asan_interface.h> #endif @@ -248,6 +249,19 @@ uint64 Arena::SpaceUsed() const { return space_used; } +pair<uint64, uint64> Arena::SpaceAllocatedAndUsed() const { + uint64 allocated = 0; + uint64 used = 0; + + Block* b = reinterpret_cast<Block*>(google::protobuf::internal::NoBarrier_Load(&blocks_)); + while (b != NULL) { + allocated += b->size; + used += (b->pos - kHeaderSize); + b = b->next; + } + return std::make_pair(allocated, used); +} + uint64 Arena::FreeBlocks() { uint64 space_allocated = 0; Block* b = reinterpret_cast<Block*>(google::protobuf::internal::NoBarrier_Load(&blocks_)); |