SharedMemory::SharedMemory() : mAllocSize(0) , mMappedSize(0) { static Atomic<uint32_t> registered; if (registered.compareExchange(0, 1)) { RegisterStrongMemoryReporter(new ShmemAllocatedReporter()); RegisterStrongMemoryReporter(new ShmemMappedReporter()); } }
SharedMemory::SharedMemory() : mAllocSize(0) , mMappedSize(0) { MOZ_COUNT_CTOR(SharedMemory); static Atomic<bool> registered; if (registered.compareExchange(false, true)) { RegisterStrongMemoryReporter(new ShmemReporter()); } }
void NS_DispatchEventualMemoryPressure(MemoryPressureState state) { /* * A new memory pressure event erases an ongoing memory pressure, but an * existing "new" memory pressure event takes precedence over a new "ongoing" * memory pressure event. */ switch (state) { case MemPressure_None: sMemoryPressurePending = MemPressure_None; break; case MemPressure_New: sMemoryPressurePending = MemPressure_New; break; case MemPressure_Ongoing: sMemoryPressurePending.compareExchange(MemPressure_None, MemPressure_Ongoing); break; } }