diff options
Diffstat (limited to 'gnu')
| -rw-r--r-- | gnu/services/xorg.scm | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/gnu/services/xorg.scm b/gnu/services/xorg.scm index 69a89584e0..562f57ffa0 100644 --- a/gnu/services/xorg.scm +++ b/gnu/services/xorg.scm @@ -155,6 +155,13 @@ which should be passed to this script as the first argument. If not, the #~(begin (use-modules (ice-9 match)) + (define (close-all-fdes) + ;; Close all the open file descriptors except 0 to 2. + (let loop ((fd 3)) + (when (< fd 4096) ;FIXME: use sysconf + _SC_OPEN_MAX + (false-if-exception (close-fdes fd)) + (loop (+ 1 fd))))) + (define (exec-from-login-shell command . args) ;; Run COMMAND from a login shell so that it gets to see the same ;; environment variables that one gets when logging in on a tty, for @@ -163,6 +170,11 @@ which should be passed to this script as the first argument. If not, the (shell (passwd:shell pw)) (st (stat command #f))) (when (and st (not (zero? (logand (stat:mode st) #o100)))) + ;; Close any open file descriptors. This is all the more + ;; important that SLiM itself exec's us directly without closing + ;; its own file descriptors! + (close-all-fdes) + ;; The '--login' option is supported at least by Bash and zsh. (execl shell shell "--login" "-c" (string-join (cons command args)))))) |