diff options
Diffstat (limited to 'src/process.c')
| -rw-r--r-- | src/process.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/src/process.c b/src/process.c index 6cbdfed1f59..e07a019b464 100644 --- a/src/process.c +++ b/src/process.c @@ -6795,10 +6795,13 @@ emacs_get_tty_pgrp (struct Lisp_Process *p) DEFUN ("process-running-child-p", Fprocess_running_child_p, Sprocess_running_child_p, 0, 1, 0, - doc: /* Return non-nil if PROCESS has given the terminal to a -child. If the operating system does not make it possible to find out, -return t. If we can find out, return the numeric ID of the foreground -process group. */) + doc: /* Return non-nil if PROCESS has given control of its terminal to a child. +If the operating system does not make it possible to find out, return t. +If it's possible to find out, return the numeric ID of the foreground +process group if PROCESS did give control of its terminal to a +child process, and return nil if it didn't. + +PROCESS must be a real subprocess, not a connection. */) (Lisp_Object process) { /* Initialize in case ioctl doesn't exist or gives an error, |