Struct TCMalloc

pub struct TCMalloc;

A memory allocator that can be registered as the standard library’s default through the #[global_allocator] attribute.

Implementations

impl TCMalloc

pub fn needs_process_background_actions() -> bool

Available on crate feature extension only.

Return true if process_background_actions should be called on this platform.

pub fn process_background_actions()

Available on crate feature extension only.

Runs housekeeping actions for the allocator off of the main allocation path.

Should be run in the background thread. May return or may not return. Use process_background_actions_thread() if possible.

pub fn process_background_actions_thread() -> Option<JoinHandle<()>>

Available on crate features extension and std only.

Runs housekeeping actions for the allocator in the background thread.

Trait Implementations

impl GlobalAlloc for TCMalloc

unsafe fn alloc(&self, layout: Layout) -> *mut u8

Allocates memory as described by the given layout.

unsafe fn dealloc(&self, ptr: *mut u8, layout: Layout)

Deallocates the block of memory at the given ptr pointer with the given layout.

unsafe fn alloc_zeroed(&self, layout: Layout) -> *mut u8

Behaves like alloc, but also ensures that the contents are set to zero before being returned.

unsafe fn realloc( &self, ptr: *mut u8, layout: Layout, new_size: usize, ) -> *mut u8

Shrinks or grows a block of memory to the given new_size in bytes. The block is described by the given ptr pointer and layout.