acc_detach – Let device pointer point to host-pointer target.

Description

This function updates a pointer on the device from pointing to a device-pointer address to pointing to the corresponding host data.

C/C++:

Prototype:	acc_detach(h_void **ptr);
Prototype:	acc_detach_async(h_void **ptr, int async);
Prototype:	acc_detach_finalize(h_void **ptr);
Prototype:	acc_detach_finalize_async(h_void **ptr, int async);

Reference:

OpenACC specification v2.6, section 3.2.35.