From 355d6a83810e1b7bb3bc2ccd3102141dbea63821 Mon Sep 17 00:00:00 2001 From: Laurent Bercot Date: Sun, 21 Aug 2022 02:37:46 +0000 Subject: Add upper limit to -c in s6-svscan Also document it, and document changes to s6-supervise Signed-off-by: Laurent Bercot --- doc/s6-supervise.html | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) (limited to 'doc/s6-supervise.html') diff --git a/doc/s6-supervise.html b/doc/s6-supervise.html index 404e896..86d97a6 100644 --- a/doc/s6-supervise.html +++ b/doc/s6-supervise.html @@ -135,7 +135,12 @@ effective group id as the s6-supervise process. If it already exists, it uses it as is, without modifying the subscription rights.
  • It sends a 's' event to ./event.
  • If the default service state is up (i.e. there is no ./down file), -s6-supervise spawns ./run.
    • +s6-supervise spawns ./run. One argument is given to the ./run +program: servicedir, the name of the directory s6-supervise is being +run on. It is given exactly as given to s6-supervise, without recanonicalization. +In particular, if s6-supervise is being managed by s6-svscan, +servicedir is always of the form foo or foo/log, +and foo contains no slashes.
  • s6-supervise sends a 'u' event to ./event whenever it successfully spawns ./run.
  • If there is a ./notification-fd file in the service directory and, @@ -152,7 +157,8 @@ service for readiness.
    • It then spawns ./finish if it exists. ./finish will have ./run's exit code as first argument, or 256 if ./run was signaled; it will have the number of the signal that killed ./run -as second argument, or an undefined number if ./run was not signaled. +as second argument, or an undefined number if ./run was not signaled; +and it will have servicedir as third argument.
  • By default, ./finish must exit in less than 5 seconds. If it takes more than that, s6-supervise kills it with a SIGKILL. This can be configured via the ./timeout-finish file, see the description in the -- cgit v1.3.1