[Rd] There was a problem by the use of snow.

[Ei-ji Nakama]

problem of the very large memory require by the Sign extension.

--- R-2.5.0.orig/src/main/serialize.c   2007-03-27 01:42:08.000000000 +0900
+++ R-2.5.0/src/main/serialize.c        2007-06-25 00:48:58.000000000 +0900
@@ -1866,7 +1866,7 @@

 static void resize_buffer(membuf_t mb, int needed)
 {
-    int newsize = 2 * needed;
+    size_t newsize = 2 * needed;
     mb->buf = realloc(mb->buf, newsize);
     if (mb->buf == NULL)
        error(_("cannot allocate buffer"));


The time-out of read and write was not set.

51:sendData.SOCKnode <- function(node, data) {
52:     timeout <- getClusterOption("timeout")
53:     old <- options(timeout = timeout);
54:     on.exit(options(old))
55:     serialize(data, node$con)
56: }
57:
58:recvData.SOCKnode <- function(node) {
59:     timeout <- getClusterOption("timeout")
60:     old <- options(timeout = timeout);
61:     on.exit(options(old))
62:     unserialize(node$con)
63: }



--- R-2.5.0.orig/src/modules/internet/sockconn.c        2006-09-04
23:20:59.000000000 +0900
+++ R-2.5.0/src/modules/internet/sockconn.c     2007-06-25
00:51:38.000000000 +0900
@@ -155,14 +155,19 @@
 static size_t sock_read(void *ptr, size_t size, size_t nitems,
                        Rconnection con)
 {
+    int timeout = asInteger(GetOption(install("timeout"), R_BaseEnv));
+
+    R_SockTimeout(timeout);
     return sock_read_helper(con, ptr, size * nitems)/size;
 }

 static size_t sock_write(const void *ptr, size_t size, size_t nitems,
                         Rconnection con)
 {
+    int timeout = asInteger(GetOption(install("timeout"), R_BaseEnv));
     Rsockconn this = (Rsockconn)con->private;

+    R_SockTimeout(timeout);
     return R_SockWrite(this->fd, ptr, size * nitems)/size;
 }

-- 
EI-JI Nakama  <nakama at ki.rim.or.jp>
"\u4e2d\u9593\u6804\u6cbb"  <nakama at ki.rim.or.jp>