File: pipe.c

package info (click to toggle)
octave 4.4.1-4~bpo9+1
  • links: PTS, VCS
  • area: main
  • in suites: stretch-backports
  • size: 114,692 kB
  • sloc: cpp: 310,009; ansic: 54,616; fortran: 22,631; yacc: 8,706; sh: 8,231; objc: 7,972; lex: 3,897; perl: 1,540; java: 1,309; awk: 1,070; makefile: 415; xml: 59
file content (50 lines) | stat: -rw-r--r-- 1,364 bytes parent folder | download | duplicates (6)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
/* Create a pipe.
   Copyright (C) 2009-2018 Free Software Foundation, Inc.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3, or (at your option)
   any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License along
   with this program; if not, see <https://www.gnu.org/licenses/>.  */

#include <config.h>

/* Specification.  */
#include <unistd.h>

#if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
/* Native Windows API.  */

/* Get _pipe().  */
# include <io.h>

/* Get _O_BINARY.  */
# include <fcntl.h>

int
pipe (int fd[2])
{
  /* Mingw changes fd to {-1,-1} on failure, but this violates
     http://austingroupbugs.net/view.php?id=467 */
  int tmp[2];
  int result = _pipe (tmp, 4096, _O_BINARY);
  if (!result)
    {
      fd[0] = tmp[0];
      fd[1] = tmp[1];
    }
  return result;
}

#else

# error "This platform lacks a pipe function, and Gnulib doesn't provide a replacement. This is a bug in Gnulib."

#endif