This manual page provides details for the EXIT STATUS.
This should be added.
Scott Cheloha <scottchel...@gmail.com> wrote:
> Align timeout(1)'s execvp(3) failure statuses with those of GNU
> timeout. 127 for ENOENT, 126 for everything else.
>
> $ cd /tmp
> $ touch script.sh
> $ ls -l script.sh
> -rw-r--r-- 1 ssc wheel 0 Oct 15 13:43 script.sh
> $ gtimeout 1.0 ./script.sh ; echo $?
> gtimeout: failed to run command './script.sh': Permission denied
> 126
> $ timeout 1.0 ./script.sh ; echo $?
> timeout: ./script.sh: Permission denied
> 1
> $ gtimeout 1.0 ./not-a-script.sh ; echo $?
> gtimeout: failed to run command './not-a-script.sh': No such file or directory
> 127
> $ timeout 1.0 ./not-a-script.sh ; echo $?
> timeout: ./not-a-script.sh: No such file or directory
> 1
>
> While here, _exit(2) from the child process instead of exit(3).
>
> ok?
>
> Index: timeout.c
> ===================================================================
> RCS file: /cvs/src/usr.bin/timeout/timeout.c,v
> retrieving revision 1.25
> diff -u -p -r1.25 timeout.c
> --- timeout.c 13 Jan 2023 06:53:04 -0000 1.25
> +++ timeout.c 15 Oct 2023 18:47:04 -0000
> @@ -260,7 +260,8 @@ main(int argc, char **argv)
> signal(SIGTTOU, SIG_DFL);
>
> execvp(argv[0], argv);
> - err(1, "%s", argv[0]);
> + warn("%s", argv[0]);
> + _exit(errno == ENOENT ? 127 : 126);
> }
>
> /* parent continues here */
>
