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authorPeter Bex <peter@more-magic.net>2012-10-04 19:32:26 +0200
committerPeter Bex <peter@more-magic.net>2012-10-04 19:32:26 +0200
commit30c3224e11d0d0ec4437bf00c1a6e397750c88b9 (patch)
tree1100882a59dfbe9a3ef7a5982d9c425f41ee59b7 /scsh-process.scm
parent787b65c4ebebe831006b0a1796c79ac535744db9 (diff)
downloadscsh-process-30c3224e11d0d0ec4437bf00c1a6e397750c88b9.tar.gz
Reorder return values of process-wait; we shouldn't mess with that!
Diffstat (limited to 'scsh-process.scm')
-rw-r--r--scsh-process.scm26
1 files changed, 15 insertions, 11 deletions
diff --git a/scsh-process.scm b/scsh-process.scm
index d815e6c..e60fb67 100644
--- a/scsh-process.scm
+++ b/scsh-process.scm
@@ -90,23 +90,24 @@
(hash-table-ref/default *scsh-pending-processes*
pid-or-process #f)
pid-or-process)))
- (or (and p (scsh-process-exit-status p))
+ (if (and p (scsh-process-exit-status p))
+ (values (scsh-process-pid p)
+ (scsh-process-ok? p)
+ (scsh-process-exit-status p))
(handle-exceptions exn
(if (and p (scsh-process-exit-status p)) ; Signal might've occurred
- (values (scsh-process-exit-status p)
+ (values (scsh-process-pid p)
(scsh-process-ok? p)
- (scsh-process-pid p))
+ (scsh-process-exit-status p))
(abort exn))
(receive (pid ok? status)
(posix-process-wait (and p (scsh-process-pid p)))
- (cond
- ((zero? pid) (values #f #f #f))
- (else
+ (unless (zero? pid)
(when p
(scsh-process-exit-status-set! p status)
(scsh-process-ok?-set! p ok?))
- (remove-scsh-pending-process! pid)
- (values status ok? pid)))))))))
+ (remove-scsh-pending-process! pid))
+ (values pid ok? status)))))))
(set-signal-handler!
signal/chld
@@ -213,9 +214,9 @@
(conns (map (lambda (from-fd temp-file)
(list from-fd (port->fileno temp-file)))
fds temp-files)))
- (receive (code ok? pid)
+ (receive (pid ok? status)
(process-wait (fork/pipe+ conns thunk))
- (apply values code temp-files))))
+ (apply values status temp-files))))
(define (run/port* thunk)
(receive (in out)
@@ -297,7 +298,10 @@
(define-syntax run
(syntax-rules ()
- ((_ ?epf ...) (process-wait (& ?epf ...)))))
+ ((_ ?epf ...)
+ (receive (pid ok? status)
+ (process-wait (& ?epf ...))
+ (values status ok? pid)))))
;; Perhaps this should really be a procedure?
(define-syntax setup-redirection