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doc: describe spawn option.detached 

PR-URL: https://github.com/nodejs/node/pull/2903
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
pull/2913/head
Sam Roberts 2015-09-13 13:37:14 +01:00
parent 94e663ac5f
commit a12628bd97
1 changed files with 10 additions and 4 deletions
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doc/api/child_process.markdown
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@ -366,7 +366,8 @@ callback or returning an EventEmitter).
* `env` {Object} Environment key-value pairs
* `stdio` {Array|String} Child's stdio configuration. (See
[below](#child_process_options_stdio))
* `detached` {Boolean} The child will be a process group leader. (See
* `detached` {Boolean} Prepare child to run independently of its parent
process. Specific behavior depends on the platform, see
[below](#child_process_options_detached))
* `uid` {Number} Sets the user identity of the process. (See setuid(2).)
* `gid` {Number} Sets the group identity of the process. (See setgid(2).)
@ -505,9 +506,14 @@ Example:
#### options.detached
If the `detached` option is set, the child process will be made the leader of a
new process group. This makes it possible for the child to continue running
after the parent exits.
On Windows, this makes it possible for the child to continue running after the
parent exits. The child will have a new console window (this cannot be
disabled).
On non-Windows, if the `detached` option is set, the child process will be made
the leader of a new process group and session. Note that child processes may
continue running after the parent exits whether they are detached or not. See
`setsid(2)` for more information.
By default, the parent will wait for the detached child to exit. To prevent
the parent from waiting for a given `child`, use the `child.unref()` method,