diff options
Diffstat (limited to 'lib/kernel/doc')
| -rw-r--r-- | lib/kernel/doc/src/application.xml | 17 | ||||
| -rw-r--r-- | lib/kernel/doc/src/file.xml | 4 |
2 files changed, 16 insertions, 5 deletions
diff --git a/lib/kernel/doc/src/application.xml b/lib/kernel/doc/src/application.xml index 29eaf348a9..016151891c 100644 --- a/lib/kernel/doc/src/application.xml +++ b/lib/kernel/doc/src/application.xml @@ -239,10 +239,19 @@ Nodes = [cp1@cave, {cp2@cave, cp3@cave}]</code> <desc> <p>Sets the value of the configuration parameter <c><anno>Par</anno></c> for <c><anno>Application</anno></c>.</p> - <p><c>set_env/3</c> uses the standard <c>gen_server</c> timeout - value (5000 ms). A <c><anno>Timeout</anno></c> argument can be provided + <p><c>set_env/4</c> uses the standard <c>gen_server</c> timeout + value (5000 ms). The <c>timeout</c> option can be provided if another timeout value is useful, for example, in situations where the application controller is heavily loaded.</p> + <p>If <c>set_env/4</c> is called before the application is loaded, + the application environment values specified in the <c>Application.app</c> + file will override the ones previously set. This is also true for application + reloads.</p> + <p>The <c>persistent</c> option can be set to <c>true</c> + when there is a need to guarantee parameters set with <c>set_env/4</c> + will not be overridden by the ones defined in the application resource + file on load. This means persistent values will stick after the application + is loaded and also on application reload.</p> <warning> <p>Use this function only if you know what you are doing, that is, on your own applications. It is very application @@ -406,9 +415,11 @@ Nodes = [cp1@cave, {cp2@cave, cp3@cave}]</code> <p>Removes the configuration parameter <c><anno>Par</anno></c> and its value for <c><anno>Application</anno></c>.</p> <p><c>unset_env/2</c> uses the standard <c>gen_server</c> - timeout value (5000 ms). A <c><anno>Timeout</anno></c> argument can be + timeout value (5000 ms). The <c>timeout</c> option can be provided if another timeout value is useful, for example, in situations where the application controller is heavily loaded.</p> + <p><c>unset_env/3</c> also allows the persistent option to be passed + (see <c>set_env/4</c> above).</p> <warning> <p>Use this function only if you know what you are doing, that is, on your own applications. It is very application diff --git a/lib/kernel/doc/src/file.xml b/lib/kernel/doc/src/file.xml index 7b8d2940c1..b3ec9fd33d 100644 --- a/lib/kernel/doc/src/file.xml +++ b/lib/kernel/doc/src/file.xml @@ -4,7 +4,7 @@ <erlref> <header> <copyright> - <year>1996</year><year>2013</year> + <year>1996</year><year>2014</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -1751,7 +1751,7 @@ using async threads potentially makes your system volnerable to slow client attacks. If set to true and no async threads are available, the sendfile call will return <c>{error,einval}</c>. - Introduced in 17.0. Default is false.</item> + Introduced in Erlang/OTP 17.0. Default is false.</item> </taglist> </p> </desc> |