diff options
Diffstat (limited to 'JavaScriptCore/runtime/Collector.h')
| -rw-r--r-- | JavaScriptCore/runtime/Collector.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/JavaScriptCore/runtime/Collector.h b/JavaScriptCore/runtime/Collector.h index 38c178b..05d5c10 100644 --- a/JavaScriptCore/runtime/Collector.h +++ b/JavaScriptCore/runtime/Collector.h @@ -130,6 +130,7 @@ namespace JSC { void registerThread(); // Only needs to be called by clients that can use the same heap from multiple threads. static bool isCellMarked(const JSCell*); + static bool checkMarkCell(const JSCell*); static void markCell(JSCell*); WeakGCHandle* addWeakGCHandle(JSCell*); @@ -226,6 +227,14 @@ namespace JSC { FixedArray<uint32_t, BITMAP_WORDS> bits; bool get(size_t n) const { return !!(bits[n >> 5] & (1 << (n & 0x1F))); } void set(size_t n) { bits[n >> 5] |= (1 << (n & 0x1F)); } + bool getset(size_t n) + { + unsigned i = (1 << (n & 0x1F)); + uint32_t& b = bits[n >> 5]; + bool r = !!(b & i); + b |= i; + return r; + } void clear(size_t n) { bits[n >> 5] &= ~(1 << (n & 0x1F)); } void clearAll() { memset(bits.data(), 0, sizeof(bits)); } ALWAYS_INLINE void advanceToNextPossibleFreeCell(size_t& startCell) @@ -288,6 +297,11 @@ namespace JSC { return cellBlock(cell)->marked.get(cellOffset(cell)); } + inline bool Heap::checkMarkCell(const JSCell* cell) + { + return cellBlock(cell)->marked.getset(cellOffset(cell)); + } + inline void Heap::markCell(JSCell* cell) { cellBlock(cell)->marked.set(cellOffset(cell)); |