From 37a8f1623592efbcb249d8ca0acd0c6167d37ed8 Mon Sep 17 00:00:00 2001 From: Přemysl Eric Janouch Date: Mon, 6 Jan 2025 14:27:53 +0100 Subject: wdye: enable waiting for processes --- tools/wdye/wdye.adoc | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'tools/wdye/wdye.adoc') diff --git a/tools/wdye/wdye.adoc b/tools/wdye/wdye.adoc index 6282af2..d901400 100644 --- a/tools/wdye/wdye.adoc +++ b/tools/wdye/wdye.adoc @@ -94,6 +94,16 @@ PROCESS:eof {[notransfer=true, ] [value1, ...]} Returns a new end-of-file _pattern_, which matches the entire read buffer contents once the child process closes the terminal. +PROCESS:wait ([nowait]) +~~~~~~~~~~~~~~~~~~~~~~~ +Waits for the program to terminate, and returns three values: +a combined status as used by `$?` in shells, +an exit status, and a termination signal number. +One of the latter two values will be _nil_, as appropriate. + +When the *nowait* option is _true_, the function returns immediately. +If the process hasn't terminated yet, the function then returns no values. + PROCESS:default {[timeout, ] [notransfer=true, ] [value1, ...]} ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Returns a new _pattern_ combining *wdye.timeout* with *eof*. -- cgit v1.2.3-70-g09d2