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fifo_write
2014 May 20
1
Question about fifo behavior on Linux between versions 3.0.3 and 3.1.0
...R 3.0.3, this returns without error and the data is available on the fifo. In R 3.1.0, however, this returns the following error:
Error in writeBin(raw(12501), con) : too large a block specified
In investigating R's source, the difference seems to be in src/main/connections.c, in the function fifo_write() (around line 932). In R 3.0.3, fifo_write() has these lines:
if ((double) size * (double) nitems > SSIZE_MAX)
error(_("too large a block specified"));
R 3.1.0 has these lines changed to this:
if ((size * sizeof(wchar_t) * nitems) > 50000) {
error(_("too lar...