xref: /freebsd/lib/libprocstat/libprocstat_compat.c (revision 69921123490b99c2588b0c743bc4af32bbe6601c)
1 /*-
2  * Copyright (c) 2014 Gleb Kurtsou <gleb@FreeBSD.org>
3  * 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
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  *
26  * $FreeBSD$
27  */
28 
29 #include <sys/cdefs.h>
30 __FBSDID("$FreeBSD$");
31 
32 #include <sys/param.h>
33 #include <sys/user.h>
34 #include <sys/socket.h>
35 #include <string.h>
36 
37 #include "libprocstat.h"
38 
39 struct freebsd11_ptsstat {
40 	uint32_t	dev;
41 	char		devname[SPECNAMELEN + 1];
42 };
43 
44 struct freebsd11_vnstat {
45 	uint64_t	vn_fileid;
46 	uint64_t	vn_size;
47 	char		*vn_mntdir;
48 	uint32_t	vn_dev;
49 	uint32_t	vn_fsid;
50 	int		vn_type;
51 	uint16_t	vn_mode;
52 	char		vn_devname[SPECNAMELEN + 1];
53 };
54 struct freebsd11_semstat {
55 	uint32_t	value;
56 	uint16_t	mode;
57 };
58 struct freebsd11_shmstat {
59 	uint64_t	size;
60 	uint16_t	mode;
61 };
62 
63 int	freebsd11_procstat_get_pts_info(struct procstat *procstat,
64     struct filestat *fst, struct freebsd11_ptsstat *pts, char *errbuf);
65 int	freebsd11_procstat_get_sem_info(struct procstat *procstat,
66     struct filestat *fst, struct freebsd11_semstat *sem, char *errbuf);
67 int	freebsd11_procstat_get_shm_info(struct procstat *procstat,
68     struct filestat *fst, struct freebsd11_shmstat *shm, char *errbuf);
69 int	freebsd11_procstat_get_vnode_info(struct procstat *procstat,
70     struct filestat *fst, struct freebsd11_vnstat *vn, char *errbuf);
71 
72 int
73 freebsd11_procstat_get_pts_info(struct procstat *procstat,
74     struct filestat *fst, struct freebsd11_ptsstat *pts_compat, char *errbuf)
75 {
76 	struct ptsstat pts;
77 	int r;
78 
79 	r = procstat_get_pts_info(procstat, fst, &pts, errbuf);
80 	if (r != 0)
81 		return (r);
82 	pts_compat->dev = pts.dev;
83 	memcpy(pts_compat->devname, pts.devname,
84 	    sizeof(pts_compat->devname));
85 	return (0);
86 }
87 
88 int
89 freebsd11_procstat_get_sem_info(struct procstat *procstat,
90     struct filestat *fst, struct freebsd11_semstat *sem_compat, char *errbuf)
91 {
92 	struct semstat sem;
93 	int r;
94 
95 	r = procstat_get_sem_info(procstat, fst, &sem, errbuf);
96 	if (r != 0)
97 		return (r);
98 	sem_compat->value = sem.value;
99 	sem_compat->mode = sem.mode;
100 	return (0);
101 }
102 
103 int
104 freebsd11_procstat_get_shm_info(struct procstat *procstat,
105     struct filestat *fst, struct freebsd11_shmstat *shm_compat, char *errbuf)
106 {
107 	struct shmstat shm;
108 	int r;
109 
110 	r = procstat_get_shm_info(procstat, fst, &shm, errbuf);
111 	if (r != 0)
112 		return (r);
113 	shm_compat->size = shm.size;
114 	shm_compat->mode = shm.mode;
115 	return (0);
116 }
117 
118 int
119 freebsd11_procstat_get_vnode_info(struct procstat *procstat,
120     struct filestat *fst, struct freebsd11_vnstat *vn_compat, char *errbuf)
121 {
122 	struct vnstat vn;
123 	int r;
124 
125 	r = procstat_get_vnode_info(procstat, fst, &vn, errbuf);
126 	if (r != 0)
127 		return (r);
128 	vn_compat->vn_fileid = vn.vn_fileid;
129 	vn_compat->vn_size = vn.vn_size;
130 	vn_compat->vn_mntdir = vn.vn_mntdir;
131 	vn_compat->vn_dev = vn.vn_dev;
132 	vn_compat->vn_fsid = vn.vn_fsid;
133 	vn_compat->vn_type = vn.vn_type;
134 	vn_compat->vn_mode = vn.vn_mode;
135 	memcpy(vn_compat->vn_devname, vn.vn_devname,
136 	    sizeof(vn_compat->vn_devname));
137 	return (0);
138 }
139 
140 __sym_compat(procstat_get_pts_info, freebsd11_procstat_get_pts_info, FBSD_1.2);
141 __sym_compat(procstat_get_vnode_info, freebsd11_procstat_get_vnode_info,
142     FBSD_1.2);
143 __sym_compat(procstat_get_sem_info, freebsd11_procstat_get_sem_info, FBSD_1.3);
144 __sym_compat(procstat_get_shm_info, freebsd11_procstat_get_shm_info, FBSD_1.3);
145