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mksysinfo, net: Always define syscall.SO_REUSEPORT. 

From-SVN: r186857
This commit is contained in:
Ian Lance Taylor 2012-04-26 04:25:56 +00:00
parent af6204cc29
commit 181c7267c7
2 changed files with 6 additions and 4 deletions
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8
libgo/go/net/sockopt_bsd.go
View File

@ -53,9 +53,11 @@ func setDefaultMulticastSockopts(s int) error {
// This option is supported only in descendants of 4.4BSD,
// to make an effective multicast application that requires
// quick draw possible.
err = syscall.SetsockoptInt(s, syscall.SOL_SOCKET, syscall.SO_REUSEPORT, 1)
if err != nil {
return os.NewSyscallError("setsockopt", err)
if syscall.SO_REUSEPORT != 0 {
err = syscall.SetsockoptInt(s, syscall.SOL_SOCKET, syscall.SO_REUSEPORT, 1)
if err != nil {
return os.NewSyscallError("setsockopt", err)
}
}
return nil
}

2
libgo/mksysinfo.sh
View File

@ -264,7 +264,7 @@ grep '^const _SHUT_' gen-sysinfo.go |
sed -e 's/^\(const \)_\(SHUT[^= ]*\)\(.*\)$/\1\2 = _\2/' >> ${OUT}
# The net package requires some const definitions.
for m in IP_PKTINFO IPV6_V6ONLY IPPROTO_IPV6 IPV6_JOIN_GROUP IPV6_LEAVE_GROUP IPV6_TCLASS; do
for m in IP_PKTINFO IPV6_V6ONLY IPPROTO_IPV6 IPV6_JOIN_GROUP IPV6_LEAVE_GROUP IPV6_TCLASS SO_REUSEPORT; do
if ! grep "^const $m " ${OUT} >/dev/null 2>&1; then
echo "const $m = 0" >> ${OUT}
fi