+(defmethod perform :after ((o load-op) (c (eql (find-system :sb-posix))))
+ (provide 'sb-posix))
+
+(defmethod perform ((o test-op) (c (eql (find-system :sb-posix))))
+ (operate 'load-op 'sb-posix-tests)
+ (operate 'test-op 'sb-posix-tests))
+
+(defmethod perform ((o test-op) (c (eql (find-system :sb-posix-tests))))
+ (funcall (intern "DO-TESTS" (find-package "SB-RT")))
+ (let ((failures (funcall (intern "PENDING-TESTS" "SB-RT")))
+ (ignored-failures (loop for sym being the symbols of :sb-posix-tests
+ if (search ".ERROR" (symbol-name sym))
+ collect sym)))
+ (cond
+ ((null failures)
+ t)
+ ((null (set-difference failures ignored-failures))
+ (warn "~@<some POSIX implementations return incorrect error values for ~
+ failing calls, but there is legitimate variation between ~
+ implementations too. If you think the errno ~
+ from your platform is valid, please contact the sbcl ~
+ developers; otherwise, please submit a bug report to your ~
+ kernel distributor~@:>")
+ t)
+ (t
+ (error "non-errno tests failed!")))))