diff options
Diffstat (limited to 'erts/doc/src/erlang.xml')
| -rw-r--r-- | erts/doc/src/erlang.xml | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/erts/doc/src/erlang.xml b/erts/doc/src/erlang.xml index 2fbfe6eb74..cfc7fff3af 100644 --- a/erts/doc/src/erlang.xml +++ b/erts/doc/src/erlang.xml @@ -3573,9 +3573,9 @@ os_prompt% </pre> <p><c>Bytes</c> is the total number of bytes written to the port.</p> </item> - <tag><c>{os_pid, Integer}</c></tag> + <tag><c>{os_pid, Integer | undefined}</c></tag> <item> - <p><c>Integer</c> is the OS pid of the spawned process (Unix systems only).</p> + <p><c>Integer</c> is the process identifier (or equivalent) of an OS process created with <c>open_port({spawn | spawn_executable, Command}, Options)</c>. If the port is not the result of spawning an OS process, the value is <c>undefined</c>.</p> </item> </taglist> <p>Failure: <c>badarg</c> if <c>Port</c> is not a local port.</p> |