suzanne.soy/compatibility
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

.

Browse Source 
original commit: 8af871ee2c556ccd5a882f974bfe07543da5d747
This commit is contained in:
Matthew Flatt 2001-04-06 22:46:59 +00:00
parent b7bda087b1
commit ea7a01157c
1 changed files with 25 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

43
collects/mzlib/process.ss
View File

@ -22,7 +22,7 @@
(else (error "don't know what shell to use for ~e." (system-type)))))
(define (if-stream-out p)
(if (file-stream-port? p)
(if (or (not p) (file-stream-port? p))
p
(if (output-port? p)
#f
@ -32,7 +32,7 @@
p))))
(define (if-stream-in p)
(if (file-stream-port? p)
(if (or (not p) (file-stream-port? p))
p
(if (input-port? p)
#f
@ -92,21 +92,28 @@
;; Note: these always use current ports
(define (system* exe . args)
(let ([cout (current-output-port)]
[cin (current-input-port)]
[cerr (current-error-port)])
(let-values ([(subp out in err pid)
(apply
subprocess
(if-stream-out cout)
(if-stream-in cin)
(if-stream-out cerr)
exe args)])
(streamify-out cout out)
(streamify-in cin in)
(streamify-out cerr err)
(subprocess-wait subp)
(zero? (subprocess-status subp)))))
(if (eq? (system-type) 'macos)
(begin
(unless (null? args)
(raise-mismatch-error 'system* "command-line arguments not supported for MacOS" args))
(subprocess #f #f #f exe))
(let ([cout (current-output-port)]
[cin (current-input-port)]
[cerr (current-error-port)])
(let-values ([(subp out in err pid)
(apply
subprocess
(if-stream-out cout)
(if-stream-in cin)
(if-stream-out cerr)
exe args)])
(streamify-out cout out)
(streamify-in cin in)
(streamify-out cerr err)
(subprocess-wait subp)
(zero? (subprocess-status subp))))))
(define (system str)
(apply system* (append (shell-path/args) (list str)))))
(if (eq? (system-type) 'macos)
(subprocess #f #f #f "by id" str)
(apply system* (append (shell-path/args) (list str))))))