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fifo_vnops.c (30496) fifo_vnops.c (30743)
1/*
2 * Copyright (c) 1990, 1993, 1995
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

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26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 * @(#)fifo_vnops.c 8.10 (Berkeley) 5/27/95
1/*
2 * Copyright (c) 1990, 1993, 1995
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

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26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 * @(#)fifo_vnops.c 8.10 (Berkeley) 5/27/95
34 * $Id: fifo_vnops.c,v 1.33 1997/10/16 20:32:26 phk Exp $
34 * $Id: fifo_vnops.c,v 1.34 1997/10/16 22:00:12 phk Exp $
35 */
36
37#include <sys/param.h>
38#include <sys/systm.h>
39#include <sys/unistd.h>
40#include <sys/kernel.h>
41#include <sys/malloc.h>
42#include <sys/vnode.h>

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55 */
56struct fifoinfo {
57 struct socket *fi_readsock;
58 struct socket *fi_writesock;
59 long fi_readers;
60 long fi_writers;
61};
62
35 */
36
37#include <sys/param.h>
38#include <sys/systm.h>
39#include <sys/unistd.h>
40#include <sys/kernel.h>
41#include <sys/malloc.h>
42#include <sys/vnode.h>

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55 */
56struct fifoinfo {
57 struct socket *fi_readsock;
58 struct socket *fi_writesock;
59 long fi_readers;
60 long fi_writers;
61};
62
63static int fifo_ebadf __P((void));
64static int fifo_badop __P((void));
65static int fifo_print __P((struct vop_print_args *));
66static int fifo_lookup __P((struct vop_lookup_args *));
67static int fifo_open __P((struct vop_open_args *));
68static int fifo_close __P((struct vop_close_args *));
69static int fifo_read __P((struct vop_read_args *));
70static int fifo_write __P((struct vop_write_args *));
71static int fifo_ioctl __P((struct vop_ioctl_args *));
72static int fifo_poll __P((struct vop_poll_args *));
73static int fifo_inactive __P((struct vop_inactive_args *));
74static int fifo_bmap __P((struct vop_bmap_args *));
75static int fifo_advlock __P((struct vop_advlock_args *));
76
77
78vop_t **fifo_vnodeop_p;
79static struct vnodeopv_entry_desc fifo_vnodeop_entries[] = {
63static int fifo_badop __P((void));
64static int fifo_print __P((struct vop_print_args *));
65static int fifo_lookup __P((struct vop_lookup_args *));
66static int fifo_open __P((struct vop_open_args *));
67static int fifo_close __P((struct vop_close_args *));
68static int fifo_read __P((struct vop_read_args *));
69static int fifo_write __P((struct vop_write_args *));
70static int fifo_ioctl __P((struct vop_ioctl_args *));
71static int fifo_poll __P((struct vop_poll_args *));
72static int fifo_inactive __P((struct vop_inactive_args *));
73static int fifo_bmap __P((struct vop_bmap_args *));
74static int fifo_advlock __P((struct vop_advlock_args *));
75
76
77vop_t **fifo_vnodeop_p;
78static struct vnodeopv_entry_desc fifo_vnodeop_entries[] = {
80 { &vop_default_desc, (vop_t *) vn_default_error },
79 { &vop_default_desc, (vop_t *) vop_defaultop },
81 { &vop_abortop_desc, (vop_t *) fifo_badop },
80 { &vop_abortop_desc, (vop_t *) fifo_badop },
82 { &vop_access_desc, (vop_t *) fifo_ebadf },
81 { &vop_access_desc, (vop_t *) vop_ebadf },
83 { &vop_advlock_desc, (vop_t *) fifo_advlock },
84 { &vop_bmap_desc, (vop_t *) fifo_bmap },
85 { &vop_close_desc, (vop_t *) fifo_close },
86 { &vop_create_desc, (vop_t *) fifo_badop },
82 { &vop_advlock_desc, (vop_t *) fifo_advlock },
83 { &vop_bmap_desc, (vop_t *) fifo_bmap },
84 { &vop_close_desc, (vop_t *) fifo_close },
85 { &vop_create_desc, (vop_t *) fifo_badop },
87 { &vop_getattr_desc, (vop_t *) fifo_ebadf },
86 { &vop_getattr_desc, (vop_t *) vop_ebadf },
88 { &vop_inactive_desc, (vop_t *) fifo_inactive },
89 { &vop_ioctl_desc, (vop_t *) fifo_ioctl },
87 { &vop_inactive_desc, (vop_t *) fifo_inactive },
88 { &vop_ioctl_desc, (vop_t *) fifo_ioctl },
90 { &vop_lease_desc, (vop_t *) nullop },
89 { &vop_lease_desc, (vop_t *) vop_null },
91 { &vop_link_desc, (vop_t *) fifo_badop },
92 { &vop_lookup_desc, (vop_t *) fifo_lookup },
93 { &vop_mkdir_desc, (vop_t *) fifo_badop },
94 { &vop_mknod_desc, (vop_t *) fifo_badop },
95 { &vop_open_desc, (vop_t *) fifo_open },
96 { &vop_pathconf_desc, (vop_t *) vop_stdpathconf },
97 { &vop_poll_desc, (vop_t *) fifo_poll },
98 { &vop_print_desc, (vop_t *) fifo_print },
99 { &vop_read_desc, (vop_t *) fifo_read },
100 { &vop_readdir_desc, (vop_t *) fifo_badop },
101 { &vop_readlink_desc, (vop_t *) fifo_badop },
102 { &vop_reallocblks_desc, (vop_t *) fifo_badop },
90 { &vop_link_desc, (vop_t *) fifo_badop },
91 { &vop_lookup_desc, (vop_t *) fifo_lookup },
92 { &vop_mkdir_desc, (vop_t *) fifo_badop },
93 { &vop_mknod_desc, (vop_t *) fifo_badop },
94 { &vop_open_desc, (vop_t *) fifo_open },
95 { &vop_pathconf_desc, (vop_t *) vop_stdpathconf },
96 { &vop_poll_desc, (vop_t *) fifo_poll },
97 { &vop_print_desc, (vop_t *) fifo_print },
98 { &vop_read_desc, (vop_t *) fifo_read },
99 { &vop_readdir_desc, (vop_t *) fifo_badop },
100 { &vop_readlink_desc, (vop_t *) fifo_badop },
101 { &vop_reallocblks_desc, (vop_t *) fifo_badop },
103 { &vop_reclaim_desc, (vop_t *) nullop },
102 { &vop_reclaim_desc, (vop_t *) vop_null },
104 { &vop_remove_desc, (vop_t *) fifo_badop },
105 { &vop_rename_desc, (vop_t *) fifo_badop },
106 { &vop_rmdir_desc, (vop_t *) fifo_badop },
103 { &vop_remove_desc, (vop_t *) fifo_badop },
104 { &vop_rename_desc, (vop_t *) fifo_badop },
105 { &vop_rmdir_desc, (vop_t *) fifo_badop },
107 { &vop_setattr_desc, (vop_t *) fifo_ebadf },
106 { &vop_setattr_desc, (vop_t *) vop_ebadf },
108 { &vop_symlink_desc, (vop_t *) fifo_badop },
109 { &vop_write_desc, (vop_t *) fifo_write },
110 { NULL, NULL }
111};
112static struct vnodeopv_desc fifo_vnodeop_opv_desc =
113 { &fifo_vnodeop_p, fifo_vnodeop_entries };
114
115VNODEOP_SET(fifo_vnodeop_opv_desc);

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480
481 printf("tag VT_NON");
482 fifo_printinfo(ap->a_vp);
483 printf("\n");
484 return (0);
485}
486
487/*
107 { &vop_symlink_desc, (vop_t *) fifo_badop },
108 { &vop_write_desc, (vop_t *) fifo_write },
109 { NULL, NULL }
110};
111static struct vnodeopv_desc fifo_vnodeop_opv_desc =
112 { &fifo_vnodeop_p, fifo_vnodeop_entries };
113
114VNODEOP_SET(fifo_vnodeop_opv_desc);

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479
480 printf("tag VT_NON");
481 fifo_printinfo(ap->a_vp);
482 printf("\n");
483 return (0);
484}
485
486/*
488 * Fifo failed operation
489 */
490static int
491fifo_ebadf()
492{
493
494 return (EBADF);
495}
496
497/*
498 * Fifo advisory byte-level locks.
499 */
500/* ARGSUSED */
501static int
502fifo_advlock(ap)
503 struct vop_advlock_args /* {
504 struct vnode *a_vp;
505 caddr_t a_id;

--- 19 unchanged lines hidden --- 		487 * Fifo advisory byte-level locks.
488 */
489/* ARGSUSED */
490static int
491fifo_advlock(ap)
492 struct vop_advlock_args /* {
493 struct vnode *a_vp;
494 caddr_t a_id;

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