69 lines
2.2 KiB
Scheme
69 lines
2.2 KiB
Scheme
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;;; ($pcb-set! posix-fork
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;;; (lambda ()
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;;; (foreign-call "S_fork")))
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;;;
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;;; ($pcb-set! fork
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;;; (lambda (parent-proc child-proc)
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;;; (let ([pid (posix-fork)])
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;;; (cond
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;;; [(fx= pid 0) (child-proc)]
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;;; [(fx= pid -1)
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;;; (error 'fork "failed")]
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;;; [else (parent-proc pid)]))))
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(primitive-set! 'system
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(lambda (x)
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(unless (string? x)
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(error 'system "~s is not a string" x))
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(let ([rv (foreign-call "ik_system" x)])
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(if (fx= rv -1)
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(error 'system "failed")
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rv))))
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(primitive-set! 'file-exists?
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(lambda (x)
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(unless (string? x)
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(error 'file-exists? "filename ~s is not a string" x))
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(let ([v (foreign-call "ikrt_file_exists" x)])
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(cond
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[(boolean? v) v]
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[else
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(error 'file-exists?
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(case v
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[(1) "the path ~s contains a non-directory"]
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[(2) "the path ~s is too long"]
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[(3) "the path ~s is not accessible"]
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[(4) "the path ~s contains too many symbolic links"]
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[(5) "internal access error while accessing ~s"]
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[(6) "IO error encountered while accessing ~s"]
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[else "Unknown error in ~s"])
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x)]))))
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(primitive-set! 'delete-file
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(lambda (x)
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(unless (string? x)
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(error 'delete-file "filename ~s is not a string" x))
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(let ([v (foreign-call "ikrt_delete_file" x)])
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(case v
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[(0) (void)]
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[else
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(error 'delete-file
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(case v
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[(1) "the path ~s contains a non-directory"]
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[(2) "the path ~s is too long"]
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[(3) "the file ~s does not exist"]
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[(4) "the path ~s is not accessible"]
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[(5) "the path ~s contains too many symbolic links"]
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[(6) "you do not have permissions to delete ~s"]
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[(7) "device ~s is busy"]
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[(8) "IO error encountered while deleting ~s"]
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[(9) "~s is in a read-only file system"]
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[(10) "internal access error while deleting ~s"]
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[else "Unknown error while deleting ~s"])
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x)]))))
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