diff options
Diffstat (limited to 'lib/kernel/doc')
| -rw-r--r-- | lib/kernel/doc/src/application.xml | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/lib/kernel/doc/src/application.xml b/lib/kernel/doc/src/application.xml index 886286b76d..be914aee87 100644 --- a/lib/kernel/doc/src/application.xml +++ b/lib/kernel/doc/src/application.xml @@ -318,8 +318,13 @@ Nodes = [cp1@cave, {cp2@cave, cp3@cave}]</code> <c>{error,{not_started,App}}</c> is returned, where <c>App</c> is the name of the missing application.</p> <p>The application controller then creates an <em>application master</em> - for the application. The application master is - the group leader of all the processes in the application. + for the application. The application master becomes the + group leader of all the processes in the application. I/O is + forwarded to the previous group leader, though, this is just + a way to identify processes that belong to the application. + Used for example to find itself from any process, or, + reciprocally, to kill them all when it terminates.</p> + <p> The application master starts the application by calling the application callback function <c>Module:start/2</c> as defined by the application specification key <c>mod</c>.</p> @@ -608,4 +613,3 @@ Nodes = [cp1@cave, {cp2@cave, cp3@cave}]</code> <seealso marker="app">app(4)</seealso></p> </section> </erlref> - |