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
51
52
53
54
55
56
57
58
|
/*
* Copyright (c) 1997-1998 University of Utah and the Flux Group.
* All rights reserved.
*
* This file is part of the Flux OSKit. The OSKit is free software, also known
* as "open source;" you can redistribute it and/or modify it under the terms
* of the GNU General Public License (GPL), version 2, as published by the Free
* Software Foundation (FSF). To explore alternate licensing terms, contact
* the University of Utah at csl-dist@cs.utah.edu or +1-801-585-3271.
*
* The OSKit 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 GPL for more details. You should have
* received a copy of the GPL along with the OSKit; see the file COPYING. If
* not, write to the FSF, 59 Temple Place #330, Boston, MA 02111-1307, USA.
*/
#include <oskit/com/pipe.h>
#include <unistd.h>
#include "fd.h"
int
pipe(int *fds)
{
int rc;
int fd0, fd1;
oskit_pipe_t *pipe0, *pipe1;
rc = oskit_create_pipe(&pipe0, &pipe1);
if (rc) {
errno = rc;
return -1;
}
/* assign file descriptors to the new pipe objects */
fd0 = fd_alloc((oskit_iunknown_t*)pipe0, 0);
if (fd0 < 0) {
oskit_pipe_release(pipe0);
oskit_pipe_release(pipe1);
return -1;
}
fd1 = fd_alloc((oskit_iunknown_t*)pipe1, 0);
if (fd1 < 0) {
fd_free(fd0);
oskit_pipe_release(pipe1);
return -1;
}
oskit_pipe_release(pipe0);
oskit_pipe_release(pipe1);
fds[0] = fd0;
fds[1] = fd1;
return 0;
}
|
