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Bug #3728 » issue3728.patch

eitoball (Eito Katagiri), 09/07/2010 10:24 PM

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io.c
* [, error_array
* [, timeout]]] )-> array or nil
*
* See <code>Kernel#select</code>.
* Calls select(2) system call.
* It returns an array that contains arrays of IO objects that are ready
* for * reading, are ready for writing, and have pending exceptions
* respectably. It returns nil on timeout.
*
* rp, wp = IO.pipe
* mesg = "ping "
* 100.times {
* rs, ws, = IO.select([rp], [wp])
* if r = rs[0]
* ret = r.read(5)
* print ret
* case ret
* when /ping/
* mesg = "pong\n"
* when /pong/
* mesg = "ping "
* end
* end
* if w = ws[0]
* w.write(mesg)
* end
* }
*
* <em>produces:</em>
*
* ping pong
* ping pong
* ping pong
* (snipped)
* ping
*/
static VALUE
rb_f_select(int argc, VALUE *argv, VALUE obj)
{
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