41 lines
1.7 KiB
C
41 lines
1.7 KiB
C
/**************************************************************************/
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/* */
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/* OCaml */
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/* */
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/* Xavier Leroy, projet Cristal, INRIA Rocquencourt */
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/* */
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/* Copyright 1996 Institut National de Recherche en Informatique et */
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/* en Automatique. */
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/* */
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/* All rights reserved. This file is distributed under the terms of */
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/* the GNU Lesser General Public License version 2.1, with the */
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/* special exception on linking described in the file LICENSE. */
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/* */
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/**************************************************************************/
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#define _GNU_SOURCE
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#include <caml/mlvalues.h>
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#include <caml/alloc.h>
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#include "unixsupport.h"
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#include <fcntl.h>
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CAMLprim value unix_pipe(value cloexec, value vunit)
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{
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int fd[2];
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value res;
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#ifdef HAS_PIPE2
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if (pipe2(fd, unix_cloexec_p(cloexec) ? O_CLOEXEC : 0) == -1)
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uerror("pipe", Nothing);
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#else
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if (pipe(fd) == -1) uerror("pipe", Nothing);
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if (unix_cloexec_p(cloexec)) {
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unix_set_cloexec(fd[0], "pipe", Nothing);
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unix_set_cloexec(fd[1], "pipe", Nothing);
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}
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#endif
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res = caml_alloc_small(2, 0);
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Field(res, 0) = Val_int(fd[0]);
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Field(res, 1) = Val_int(fd[1]);
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return res;
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}
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