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Diffstat (limited to 'doc/s6-tcpserver4.html')
| -rw-r--r-- | doc/s6-tcpserver4.html | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/doc/s6-tcpserver4.html b/doc/s6-tcpserver4.html index e0270e0..625b8df 100644 --- a/doc/s6-tcpserver4.html +++ b/doc/s6-tcpserver4.html @@ -40,6 +40,9 @@ socket and stdout writing to it. </li> <li> Depending on the verbosity level, it logs what it does to stderr. </li> <li> It runs until killed by a signal. Depending on the received signal, it may kill its children before exiting. </li> + <li> s6-tcpserver4 actually doesn't do any of this itself. It is +a wrapper, rewriting the command line and executing into a chain +of programs that perform those duties. </li> </ul> <h2> Environment variables </h2> @@ -117,6 +120,16 @@ possible overhead. Features such as additional environment variables, access control and DNS resolution are provided via the <a href="s6-tcpserver-access.html">s6-tcpserver-access</a> program. </li> + <li> In previous releases of s6-networking, s6-tcpserver4 was +monolithic: it did the work of +<a href="s6-tcpserver4-socketbinder.html">s6-tcpserver4-socketbinder</a>, +<a href="http://skarnet.org/software/s6/s6-applyuidgid.html">s6-applyuidgid</a> and +<a href="s6-tcpserver4d.html">s6-tcpserver4d</a> itself. The functionality has now +been split into several different programs because some service startup +schemes require the daemon to get its socket from an external +program instead of creating and binding it itself. The most obvious +application of this is upgrading a long-lived process without +losing existing connections. </li> </ul> </body> |