diff options
Diffstat (limited to 'ext')
| -rw-r--r-- | ext/socket/socket.c | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/ext/socket/socket.c b/ext/socket/socket.c index b6230bc7e6..60dc6f192b 100644 --- a/ext/socket/socket.c +++ b/ext/socket/socket.c @@ -983,7 +983,17 @@ sock_sockaddr(struct sockaddr *addr, socklen_t len) * call-seq: * Socket.gethostbyname(hostname) => [official_hostname, alias_hostnames, address_family, *address_list] * - * Obtains the host information for _hostname_. + * This method is deprecated since following reasons: + * + * - The 3rd element of result is the address family of the first address. + * The address families of rest addresses are not returned. + * - Uncommon address representation: + * 4/16-bytes binary string to represent IPv4/IPv6 address. + * - gethostbyname() is may take long time and it may block other threads. + * (GVL cannot be released since gethostbyname() is not thread safe.) + * - This method uses gethostbyname() function already removed from POSIX. + * + * This method obtains the host information for _hostname_. * * p Socket.gethostbyname("hal") #=> ["localhost", ["hal"], 2, "\x7F\x00\x00\x01"] * @@ -1000,7 +1010,15 @@ sock_s_gethostbyname(VALUE obj, VALUE host) * call-seq: * Socket.gethostbyaddr(address_string [, address_family]) => hostent * - * Obtains the host information for _address_. + * This method is deprecated since following reasons: + * + * - Uncommon address representation: + * 4/16-bytes binary string to represent IPv4/IPv6 address. + * - gethostbyaddr() is may take long time and it may block other threads. + * (GVL cannot be released since gethostbyname() is not thread safe.) + * - This method uses gethostbyname() function already removed from POSIX. + * + * This method obtains the host information for _address_. * * p Socket.gethostbyaddr([221,186,184,68].pack("CCCC")) * #=> ["carbon.ruby-lang.org", [], 2, "\xDD\xBA\xB8D"] |