mx_vmo_get_size

NAME

vmo_get_size - read the current size of a VMO object

SYNOPSIS

#include <magenta/syscalls.h>

mx_status_t mx_vmo_get_size(mx_handle_t handle, uint64_t* size);

DESCRIPTION

vmo_get_size() returns the current size of the VMO.

RETURN VALUE

vmo_get_size() returns MX_OK on success. In the event of failure, a negative error value is returned.

ERRORS

MX_ERR_BAD_HANDLE handle is not a valid handle.

MX_ERR_WRONG_TYPE handle is not a VMO handle.

MX_ERR_INVALID_ARGS size is an invalid pointer or NULL.

SEE ALSO

vmo_create, vmo_clone, vmo_read, vmo_write, vmo_set_size, vmo_op_range.