README.rdoc in lifeline-0.3.0 vs README.rdoc in lifeline-0.4.0

- old
+ new

@@ -38,10 +38,19 @@ * Get a list of all running processes * Find the name of the current process by looking for the command associated with the current process id (the $$ variable) * If there is another process with the same command string, return and exit * Otherwise yield to run the passed block. +Note that you do not pass a command name to the lifeline, it uses the command +of the process invoking the Lifeline code. This means if you call lifeline +code simultaneously from a Rake task and a Rails process, it will be executed +in both cases (it's NOT a mutex or semaphore). Also, this mechanism uses a +global namespace. means you will want to give unique names to the processes +that ultimately invoke your lifeline code. If app1 and app2 both have a rake +task named "lifeline," they will interfere with each other ("app1:lifeline" +and "app2:lifeline" are much better). + == Examples Lifeline.lifeline do # some code you want to run in only a single process end @@ -49,9 +58,12 @@ Lifeline.define_lifeline_tasks("appname") do # some code you want to run in a single lifeline end > rake -T appname + rake appname:lifeline # A lifeline task for executing only one process of twitter:daemon:run at a time + rake appname:run # Runs the twitter:daemon:run task + rake appname:terminate # Terminates any running twitter:daemon:lifeline tasks == Note on Patches/Pull Requests * Fork the project. * Make your feature addition or bug fix.