diff options
Diffstat (limited to 'gnu/installer/utils.scm')
| -rw-r--r-- | gnu/installer/utils.scm | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/gnu/installer/utils.scm b/gnu/installer/utils.scm index 5f8fe8ca01..a7fa66a199 100644 --- a/gnu/installer/utils.scm +++ b/gnu/installer/utils.scm @@ -22,6 +22,7 @@ #:use-module (guix build utils) #:use-module (guix i18n) #:use-module (srfi srfi-1) + #:use-module (srfi srfi-19) #:use-module (srfi srfi-34) #:use-module (ice-9 match) #:use-module (ice-9 rdelim) @@ -36,6 +37,8 @@ syslog-port syslog + call-with-time + let/time with-server-socket current-server-socket @@ -117,6 +120,17 @@ COMMAND exited successfully, #f otherwise." ;;; Logging. ;;; +(define (call-with-time thunk kont) + "Call THUNK and pass KONT the elapsed time followed by THUNK's return +values." + (let* ((start (current-time time-monotonic)) + (result (call-with-values thunk list)) + (end (current-time time-monotonic))) + (apply kont (time-difference end start) result))) + +(define-syntax-rule (let/time ((time result exp)) body ...) + (call-with-time (lambda () exp) (lambda (time result) body ...))) + (define (open-syslog-port) "Return an open port (a socket) to /dev/log or #f if that wasn't possible." (let ((sock (socket AF_UNIX SOCK_DGRAM 0))) |