SOCU:poll: Difference between revisions

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 ! Value
 ! Name
-! Input/Output
 ! Description
 |-
 | 0x01
-| POLLIN
+| POLLRDNORM
-| Both
+| Normal data can be read.
-| Can recv() data from socket without blocking. For listen sockets, this means you can accept() a connection without blocking.
 |-
 | 0x02
-| POLLPRI
+| POLLRDBAND
-| Both
+| Priority Band Data can be read.
-| There is OOB data ready to recv(). Appears that recv()'ing without OOB flag still reads OOB data?
 |-
 | 0x04
-| ???
+| POLLPRI
-| ???
+| Urgent data can be read.
-| Have never seen this flag. Could possibly be POLLHUP (need to test).
 |-
 | 0x08
+| POLLWRNORM
+| Normal data can be written.
+|-
+| 0x10
+| POLLWRBAND
+| Priority data can be written.
+|-
+| 0x20
 | POLLERR
-| Out
 | Socket has an error condition.
 |-
-| 0x10
+| 0x40
-| POLLOUT
+| POLLHUP
-| Both
+| Socket has been disconnected.
-| Can send() data to socket without blocking. For a non-blocking connect(), this means the connection has completed (need to test).
 |-
-| 0x20
+| 0x80
 | POLLNVAL
-| Out
 | Invalid socket handle. This is set if you use fd=-1, which is non-standard behavior.
 |-
-| ???
+| POLLRDNORM <nowiki>|</nowiki> POLLRDBAND
-| POLLHUP
+| POLLIN
-| Out
+| Data can be read.
-| Socket has been disconnected.
+|-
+| POLLWRNORM
+| POLLOUT
+| Data can be written.
 |}