55 lines
2.0 KiB
Scheme
55 lines
2.0 KiB
Scheme
;;; Signals (rather incomplete)
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;;; ---------------------------
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(import-os-error-syscall signal-pid (pid signal) "scsh_kill")
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(define (signal-process proc signal)
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(signal-pid (cond ((proc? proc) (proc:pid proc))
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((integer? proc) proc)
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(else (error "Illegal proc passed to signal-process" proc)))
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signal))
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(define (signal-process-group proc-group signal)
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(signal-pid (- (cond ((proc? proc-group) (proc:pid proc-group))
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((integer? proc-group) proc-group)
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(else (error "Illegal proc passed to signal-process-group"
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proc-group))))
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signal))
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(define (itimer sec)
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((structure-ref sigevents schedule-timer-interrupt!) (* sec 1000)))
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;;; SunOS, not POSIX:
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;;; (define-foreign signal-process-group/errno
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;;; (killpg (integer proc-group) (integer signal))
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;;; (to-scheme integer errno_or_false))
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;;;
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;;; (define-errno-syscall (signal-process-group proc-group signal)
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;;; signal-process-group/errno)
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;;; I do this one in C, I'm not sure why:
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;;; It is used by MATCH-FILES.
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;;; 99/7: No one is using this function, so I'm commenting it out.
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;;; Later, we could tune up the globber or regexp file-matcher to use
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;;; it (but should shift it into the rx directory). But I should also go
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;;; to a file-at-a-time cursor model for directory fetching. -Olin
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;(define-foreign %filter-C-strings!
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; (filter_stringvec (string pattern) ((C "char const ** ~a") cvec))
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; static-string ; error message -- #f if no error.
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; integer) ; number of files that pass the filter.
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;(define (match-files regexp . maybe-dir)
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; (let ((dir (:optional maybe-dir ".")))
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; (check-arg string? dir match-files)
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; (receive (err cvec numfiles)
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; (%open-dir (ensure-file-name-is-nondirectory dir))
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; (if err (errno-error err match-files regexp dir))
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; (receive (err numfiles) (%filter-C-strings! regexp cvec)
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; (if err (error err match-files))
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; (%sort-file-vector cvec numfiles)
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; (let ((files (C-string-vec->Scheme&free cvec numfiles)))
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; (vector->list files))))))
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