(mkfifo path mode)
This procedure calls the C-library function mkfifo() with the supplied arguments.
If sucessful, a new FIFO has been created. In case of an error errno is set.
On success #t is returned, otherwise #f.
> (mkfifo "/tmp/fifo" #o600)
#t
> (system "ls -l /tmp/fifo")
prw------- 1 p wheel 0 Oct 3 11:28 /tmp/fifo
0
> (mkfifo "/tmp/fifo" #o600)
#f
> (strerror (errno))
"File exists"
>