chibi-scheme/lib/scheme/process-context.sld
2023-10-13 17:19:36 +11:00

20 lines
619 B
Scheme

(define-library (scheme process-context)
(import (chibi) (only (scheme base) call/cc) (srfi 98))
(cond-expand (windows (import (rename (chibi win32 process-win32) (exit emergency-exit))))
(else (import (prefix (chibi process) process-))))
(export get-environment-variable get-environment-variables
command-line exit emergency-exit)
(begin
(define unwind #f)
((call/cc
(lambda (cont)
(set! unwind cont)
(lambda () #f))))
(define emergency-exit process-exit)
(define (exit . rest)
(unwind (lambda () (apply emergency-exit rest))))))