net: sockopt implementation for AIX
This is a copy of the Linux implementation, it allows to
run some simple client/server applications on AIX, while
the current sockopt stubs don't.
Issue golang/go#19200
Change-Id: I50fa00c849881b19a320d8e7f841f235b96c2a98
Reviewed-on: https://go-review.googlesource.com/41213
Reviewed-by: Ian Lance Taylor <iant@golang.org>
diff --git a/libgo/go/net/sockopt_aix.go b/libgo/go/net/sockopt_aix.go
index 6bdba04..7aef64b 100644
--- a/libgo/go/net/sockopt_aix.go
+++ b/libgo/go/net/sockopt_aix.go
@@ -4,14 +4,31 @@
package net
+import (
+ "os"
+ "syscall"
+)
+
+// This was copied from sockopt_linux.go
+
func setDefaultSockopts(s, family, sotype int, ipv6only bool) error {
- return syscall.ENOPROTOOPT
+ if family == syscall.AF_INET6 && sotype != syscall.SOCK_RAW {
+ // Allow both IP versions even if the OS default
+ // is otherwise. Note that some operating systems
+ // never admit this option.
+ syscall.SetsockoptInt(s, syscall.IPPROTO_IPV6, syscall.IPV6_V6ONLY, boolint(ipv6only))
+ }
+ // Allow broadcast.
+ return os.NewSyscallError("setsockopt", syscall.SetsockoptInt(s, syscall.SOL_SOCKET, syscall.SO_BROADCAST, 1))
}
func setDefaultListenerSockopts(s int) error {
- return syscall.ENOPROTOOPT
+ // Allow reuse of recently-used addresses.
+ return os.NewSyscallError("setsockopt", syscall.SetsockoptInt(s, syscall.SOL_SOCKET, syscall.SO_REUSEADDR, 1))
}
func setDefaultMulticastSockopts(s int) error {
- return syscall.ENOPROTOOPT
+ // Allow multicast UDP and raw IP datagram sockets to listen
+ // concurrently across multiple listeners.
+ return os.NewSyscallError("setsockopt", syscall.SetsockoptInt(s, syscall.SOL_SOCKET, syscall.SO_REUSEADDR, 1))
}
