zx_pmt_unpin

Summary

Unpin pages and revoke device access to them.

Declaration

#include <zircon/syscalls.h>

zx_status_t zx_pmt_unpin(zx_handle_t handle);

Description

zx_pmt_unpin() unpins pages that were previously pinned by zx_bti_pin(), and revokes the access that was granted by the pin call.

Always consumes handle. It is invalid to use handle afterwards, including to call zx_handle_close() on it.

Rights

TODO(https://fxbug.dev/42107318)

Return value

On success, zx_pmt_unpin() returns ZX_OK. In the event of failure, a negative error value is returned.

Errors

ZX_ERR_BAD_HANDLE handle is not a valid handle.

ZX_ERR_WRONG_TYPE handle is not a PMT handle.

See also