want scatter-gather I/O in some protocol stubs
Submitted by Jamey Sharp @jamey
Assigned to Josh Triplett
Description
For performance reasons, protocol request stubs that accept variable-length data should have an alternate version available that accepts arrays of struct iovec.
See the "Vendor Requests in GLX" thread on the XCB mailing list, from May 2005, for what we decided to do about this.