ctl_setopt_func

Declaration

typedef errno_t (*ctl_setopt_func)(kern_ctl_ref kctlref, u_int32_t unit, void *unitinfo, int opt, void *data, size_t len);

Parameters

• kctlref:

  The control ref of the kernel control.

• unit:

  The unit number of the kernel control instance.

• unitinfo:

  The user-defined private data initialized by the ctl_connect_func callback.

• opt:

  The socket option.

• data:

  A pointer to the socket option data. The data has already been copied in to the kernel for you.

• len:

  The length of the socket option data.

Discussion

The ctl_setopt_func is used to handle set socket option calls for the SYSPROTO_CONTROL option level.