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authorMatthias Lang <[email protected]>2010-08-19 15:12:26 +0200
committerBjörn-Egil Dahlberg <[email protected]>2012-03-16 15:46:50 +0100
commitd4667d383964c1550e0a91d64b674e84f6d07e3b (patch)
tree68b0ff1251df66b2e211951ff8748d1ee72c0998 /erts/doc/src
parent8406f47252a5f1fd38cd771aa7fa692817677709 (diff)
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Extend erlang:port_info/1,2 to show the OS pid of a spawned process
When spawning OS (unix) processes with erlang:open_port, store the resulting unix pid so that it can be queried later on using erlang:port_info/1,2.
Diffstat (limited to 'erts/doc/src')
-rw-r--r--erts/doc/src/erlang.xml4
1 files changed, 4 insertions, 0 deletions
diff --git a/erts/doc/src/erlang.xml b/erts/doc/src/erlang.xml
index 30e3b02a0a..3664bdf76d 100644
--- a/erts/doc/src/erlang.xml
+++ b/erts/doc/src/erlang.xml
@@ -3084,6 +3084,10 @@ os_prompt%</pre>
<p><c><anno>Bytes</anno></c> is the total number of bytes written to
the port.</p>
</item>
+ <tag><c>{os_pid, Integer}</c></tag>
+ <item>
+ <p><c>Integer</c> is the OS pid of the spawned process (Unix systems only).</p>
+ </item>
</taglist>
<p>Failure: <c>badarg</c> if <c><anno>Port</anno></c> is not a local port.</p>
</desc>