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Diffstat (limited to 'docs/man')
| -rw-r--r-- | docs/man/nng_tcp_options.5.adoc | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/docs/man/nng_tcp_options.5.adoc b/docs/man/nng_tcp_options.5.adoc index ad5fabfd..37228b82 100644 --- a/docs/man/nng_tcp_options.5.adoc +++ b/docs/man/nng_tcp_options.5.adoc @@ -101,6 +101,16 @@ system. While the value is of type `int`, it will be a legal TCP port number, that is a value between 1 and 65535, inclusive. +[[NNG_OPT_LISTEN_FD]] +((`NNG_OPT_LISTEN_FD`)): +(`int`) +This option is a write-only option for listeners, that can be used on a +listener that has not yet been started. It is used to pass in a file descriptor +(or for Windows, a `SOCKET`) that has already been set up for listening. +The intended use for this is with configurations such as socket activation, +where some system service pre-establishes the listening sockets before starting +the application. + === Inherited Options Generally, the following option values are also available for TCP objects, |