1 Commits

Author	SHA1	Message	Date
Brad Fitzpatrick	b615ad8fd5	net: add mechanisms to force go or cgo lookup, and to debug default strategy ... GODEBUG=netdns=1 prints a one-time strategy decision. (cgo or go DNS lookups) GODEBUG=netdns=2 prints the per-lookup strategy as a function of the hostname. The new "netcgo" build tag forces cgo DNS lookups. GODEBUG=netdns=go (or existing build tag "netgo") forces Go DNS resolution. GODEBUG=netdns=cgo (or new build tag "netcgo") forces libc DNS resolution. Options can be combined with e.g. GODEBUG=netdns=go+1 or GODEBUG=netdns=2+cgo. Fixes #11322 Fixes #11450 Change-Id: I7a67e9f759fd0a02320e7803f9ded1638b19e861 Reviewed-on: https://go-review.googlesource.com/11584 Reviewed-by: Russ Cox <rsc@golang.org> Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>	2015-07-09 22:19:41 +00:00