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Added process-nonblocking which is like process but returns 

nonblocking ports.
This commit is contained in:
Abdulaziz Ghuloum 2008-04-30 22:55:59 -04:00
parent f69e82e6c5
commit 1389f239fe
3 changed files with 34 additions and 3 deletions
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34
scheme/ikarus.io.ss
View File

@ -63,7 +63,7 @@
reset-output-port!
port-id
input-port-byte-position
process
process process-nonblocking
tcp-connect tcp-connect-nonblocking
udp-connect udp-connect-nonblocking
@ -125,7 +125,7 @@
reset-output-port!
port-id
input-port-byte-position
process
process process-nonblocking
tcp-connect tcp-connect-nonblocking
udp-connect udp-connect-nonblocking
tcp-server-socket tcp-server-socket-nonblocking
@ -2127,6 +2127,36 @@
cmd input-file-buffer-size #f #t
'process)))))
(define (process-nonblocking cmd . args)
(define who 'process-nonblocking)
(unless (string? cmd)
(die who "command is not a string" cmd))
(unless (andmap string? args)
(die who "all arguments must be strings"))
(let ([r (foreign-call "ikrt_process"
(make-vector 4)
(string->utf8 cmd)
(map string->utf8 (cons cmd args)))])
(if (fixnum? r)
(io-error who cmd r)
(begin
(set-fd-nonblocking (vector-ref r 1) who cmd)
(set-fd-nonblocking (vector-ref r 2) who cmd)
(set-fd-nonblocking (vector-ref r 3) who cmd)
(values
(vector-ref r 0) ; pid
(fh->output-port (vector-ref r 1)
cmd output-file-buffer-size #f #t
'process)
(fh->input-port (vector-ref r 2)
cmd input-file-buffer-size #f #t
'process)
(fh->input-port (vector-ref r 3)
cmd input-file-buffer-size #f #t
'process))))))
(define (set-fd-nonblocking fd who id)
(let ([rv (foreign-call "ikrt_make_fd_nonblocking" fd)])
(unless (eq? rv 0)

2
scheme/last-revision
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@ -1 +1 @@
1456
1457

1
scheme/makefile.ss
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@ -403,6 +403,7 @@
[pointer-value i]
[system i]
[process i]
[process-nonblocking i]
[waitpid i]
[installed-libraries i]
[library-path i]