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MemoryManagement

The Napi::MemoryManagement class contains functions that give the JavaScript engine an indication of the amount of externally allocated memory that is kept alive by JavaScript objects.

Methods

AdjustExternalMemory

The function AdjustExternalMemory adjusts the amount of registered external memory used to give the JavaScript engine an indication of the amount of externally allocated memory that is kept alive by JavaScript objects. The JavaScript engine uses this to decide when to perform global garbage collections. Registering externally allocated memory will trigger global garbage collections more often than it would otherwise in an attempt to garbage collect the JavaScript objects that keep the externally allocated memory alive.

static int64_t Napi::MemoryManagement::AdjustExternalMemory(Napi::BasicEnv env, int64_t change_in_bytes);
  • [in] env: The environment in which the API is invoked under.
  • [in] change_in_bytes: The change in externally allocated memory that is kept alive by JavaScript objects expressed in bytes.

Returns the adjusted memory value.