Resize a VMO object.
#include <zircon/syscalls.h> zx_status_t zx_vmo_set_size(zx_handle_t handle, uint64_t size);
zx_vmo_set_size() sets the new size of a VMO object.
The size will be rounded up to the next page size boundary.
Subsequent calls to
zx_vmo_get_size() will return the rounded up size.
handle must be of type ZX_OBJ_TYPE_VMO and have ZX_RIGHT_WRITE.
zx_vmo_set_size() returns ZX_OK on success. In the event
of failure, a negative error value is returned.
ZX_ERR_BAD_HANDLE handle is not a valid handle.
ZX_ERR_WRONG_TYPE handle is not a VMO handle.
ZX_ERR_ACCESS_DENIED handle does not have the ZX_RIGHT_WRITE right.
ZX_ERR_UNAVAILABLE The VMO was not created with ZX_VMO_RESIZABLE or ZX_VMO_CHILD_RESIZABLE.
ZX_ERR_OUT_OF_RANGE Requested size is too large.
ZX_ERR_NO_MEMORY Failure due to lack of system memory.
ZX_ERR_BAD_STATE Requested size would discard pinned pages.
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Last updated 2019-11-21.