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a356ceebee
* libguile/fports.c (scm_i_mode_to_open_flags): Add 'e' case. (scm_open_file_with_encoding): Document it. * test-suite/standalone/test-close-on-exec: New file. * test-suite/standalone/Makefile.am (check_SCRIPTS, TESTS): Add it. * doc/ref/api-io.texi (File Ports): Document it. * NEWS: Update.
38 lines
1.4 KiB
Scheme
Executable file
38 lines
1.4 KiB
Scheme
Executable file
#!/bin/sh
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exec guile -q -s "$0" "$@"
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!#
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;;; Exercise the 'e' flag to 'open-file' (O_CLOEXEC).
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(define file
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(string-append (or (getenv "TMPDIR") "/tmp")
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"/guile-test-close-on-exec-"
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(number->string (getpid)) ".txt"))
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;;; Since fcntl(2) F_GETFD does not return flags such as O_CLOEXEC,
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;;; create a child process, call 'exec', and make sure it doesn't
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;;; inherit the file descriptor.
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(let ((port (open-file file "we")))
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(display "Hello!\n" port)
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(let ((pid (primitive-fork)))
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(if (zero? pid)
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(dynamic-wind
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(const #t)
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(lambda ()
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(execlp "guile" "guile" "-c"
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(object->string
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`(catch #t
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(lambda ()
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(fdopen ,(fileno port) "w")
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(primitive-exit 0))
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(lambda (key . args)
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(pk 'child-exception args)
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(if (and (eq? key 'system-error)
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(= EBADF (system-error-errno (cons key args))))
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(primitive-exit 1)
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(primitive-exit 2)))))))
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(lambda ()
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(primitive-exit 3)))
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(let ((status (pk 'child-status (cdr (waitpid pid)))))
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(false-if-exception (delete-file file))
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(exit (equal? (status:exit-val status) 1))))))
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