* ext/socket/extconf.rb: check recvmsg even if sendmsg is exists.

* ext/socket/socket.c (thread_read_select): restored.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@4707 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,9 @@
+Sun Oct  5 23:27:09 2003  Tanaka Akira  <akr@m17n.org>
+
+	* ext/socket/extconf.rb: check recvmsg even if sendmsg is exists.
+
+	* ext/socket/socket.c (thread_read_select): restored.
+
 Mon Oct  6 16:23:38 2003  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* marshal.c (w_object): wrong method name in the message.

ext/socket/extconf.rb

@@ -194,7 +194,7 @@ end
 have_header("netinet/tcp.h") if not /cygwin/ =~ RUBY_PLATFORM # for cygwin 1.1.5
 have_header("netinet/udp.h")
 
-if have_func("sendmsg") or have_func("recvmsg")
+if have_func("sendmsg") | have_func("recvmsg")
   have_struct_member('struct msghdr', 'msg_control', header=['sys/types.h', 'sys/socket.h'])
   have_struct_member('struct msghdr', 'msg_accrights', header=['sys/types.h', 'sys/socket.h'])
 end

ext/socket/socket.c

@@ -1502,6 +1502,19 @@ unix_send_io(sock, val)
 #endif
 }
 
+#if defined(HAVE_RECVMSG) && (defined(HAVE_ST_MSG_CONTROL) || defined(HAVE_ST_MSG_ACCRIGHTS))
+static void
+thread_read_select(fd)
+    int fd;
+{
+    fd_set fds;
+
+    FD_ZERO(&fds);
+    FD_SET(fd, &fds);
+    rb_thread_select(fd+1, &fds, 0, 0, 0);
+}
+#endif
+
 static VALUE
 unix_recv_io(argc, argv, sock)
     int argc;