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| author | Siri Hansen <[email protected]> | 2018-09-10 11:39:28 +0200 |
|---|---|---|
| committer | Siri Hansen <[email protected]> | 2018-09-10 11:39:28 +0200 |
| commit | b641db169ac57ef98b6a5d0dd5672fe966d9997e (patch) | |
| tree | 1771e97de61bc3b9bc4fba581c79885f9886e779 /lib/stdlib | |
| parent | 81d122a59e0f81e8cc71a0c8e0dae7ea05d15755 (diff) | |
| parent | 4f11bb85a427d60ca55ffa63128f17b9dba98bd6 (diff) | |
| download | otp-b641db169ac57ef98b6a5d0dd5672fe966d9997e.tar.gz otp-b641db169ac57ef98b6a5d0dd5672fe966d9997e.tar.bz2 otp-b641db169ac57ef98b6a5d0dd5672fe966d9997e.zip | |
Merge branch 'maint'
Diffstat (limited to 'lib/stdlib')
| -rw-r--r-- | lib/stdlib/doc/src/supervisor.xml | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/lib/stdlib/doc/src/supervisor.xml b/lib/stdlib/doc/src/supervisor.xml index 6d5065ca02..0e8075a578 100644 --- a/lib/stdlib/doc/src/supervisor.xml +++ b/lib/stdlib/doc/src/supervisor.xml @@ -208,8 +208,16 @@ child_spec() = #{id => child_id(), % mandatory the child process is unconditionally terminated using <c>exit(Child,kill)</c>.</p> <p>If the child process is another supervisor, the shutdown time - is to be set to <c>infinity</c> to give the subtree ample - time to shut down. It is also allowed to set it to <c>infinity</c>, + must be set to <c>infinity</c> to give the subtree ample + time to shut down.</p> + <warning> + <p>Setting the shutdown time to anything other + than <c>infinity</c> for a child of type <c>supervisor</c> + can cause a race condition where the child in question + unlinks its own children, but fails to terminate them + before it is killed.</p> + </warning> + <p>It is also allowed to set it to <c>infinity</c>, if the child process is a worker.</p> <warning> <p>Be careful when setting the shutdown time to |