diff options
Diffstat (limited to 'erts/doc/src/socket.xml')
| -rw-r--r-- | erts/doc/src/socket.xml | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/erts/doc/src/socket.xml b/erts/doc/src/socket.xml index 343b61d4aa..9b34bf1df1 100644 --- a/erts/doc/src/socket.xml +++ b/erts/doc/src/socket.xml @@ -373,19 +373,24 @@ <name name="open" arity="4" since="OTP 22.0"/> <fsummary>Create an endpoint for communication.</fsummary> <desc> - <p>Creates an endpoint (socket) for communication.</p> - <p>For some <c>types</c> there is a default protocol, which will - be used if no protocol is specified: </p> + <p>Creates an endpoint (socket) for communication.</p> - <list> - <item><p><c>stream</c>: <c>tcp</c></p></item> - <item><p><c>dgram</c>: <c>udp</c></p></item> - <item><p><c>seqpacket</c>: <c>sctp</c></p></item> - </list> + <p>For some <c>types</c> there is a default protocol, + indicated by <c>default</c>, which it <em>may</em> be + possible to specify. + And for <c>Domain = local</c>, if a protocol <em>is</em> pecified, + it <em>must</em> be <c>default</c>. </p> <p>The <c>Extra</c> argument is intended for "obscure" options. Currently the only supported option is <c>netns</c>, which is only supported on the linux platform.</p> + + <note> + <p>It may not be possible to specify the default protocol (except + when <c>Domain = local</c>). We need to be able to retreive + the resulting protocol, which is <em>not</em> possble on all + platforms. </p> + </note> </desc> </func> |