Method lock_memory

tinygrad/runtime/support/system.py:48–49

(self, addr:int, size:int)

  def memory_barrier(self): lib.atomic_thread_fence(__ATOMIC_SEQ_CST:=5) if (lib:=self.libsys if OSX else self.atomic_lib) is not None else None

  def lock_memory(self, addr:int, size:int):
    if libc.mlock(ctypes.c_void_p(addr), size): raise RuntimeError(f"Failed to lock memory at {addr:#x} with size {size:#x}")

  def system_paddrs(self, vaddr:int, size:int) -> list[int]:
    self.pagemap.seek(vaddr // mmap.PAGESIZE * 8)