We wish to ensure that, henceforth, newer lxc tools are always compatible with older lxc monitors. Add a comment to commands.c to explain the rule we wish to enforce to this end.
Signed-off-by: Serge Hallyn <serge.hal...@ubuntu.com> --- src/lxc/commands.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/src/lxc/commands.c b/src/lxc/commands.c index a7981ba..aad376a 100644 --- a/src/lxc/commands.c +++ b/src/lxc/commands.c @@ -59,6 +59,16 @@ * Each command is wrapped in a ancillary message in order to pass * a credential making possible to the server to check if the client * is allowed to ask for this command or not. + * + * IMPORTANTLY: Note that semantics for current commands are fixed. If you + * wish to make any changes to how, say, LXC_CMD_GET_CONFIG_ITEM works by + * adding information to the end of cmd.data, then you must introduce a new + * LXC_CMD_GET_CONFIG_ITEM_V2 define with a new number. You may wish to + * also mark LXC_CMD_GET_CONFIG_ITEM deprecated in commands.h. + * + * This is necessary in order to avoid having a newly compiled lxc command + * communicating with a running (old) monitor from crashing the running + * container. */ lxc_log_define(lxc_commands, lxc); -- 1.8.1.2 ------------------------------------------------------------------------------ Learn the latest--Visual Studio 2012, SharePoint 2013, SQL 2012, more! Discover the easy way to master current and previous Microsoft technologies and advance your career. Get an incredible 1,500+ hours of step-by-step tutorial videos with LearnDevNow. Subscribe today and save! http://pubads.g.doubleclick.net/gampad/clk?id=58040911&iu=/4140/ostg.clktrk _______________________________________________ Lxc-devel mailing list Lxc-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/lxc-devel
