Annotation of src/sys/miscfs/procfs/procfs_status.c, Revision 1.21.2.3
1.21.2.3! skrll 1: /* $NetBSD: procfs_status.c,v 1.23 2004/04/22 00:31:00 itojun Exp $ */
1.9 cgd 2:
1.1 cgd 3: /*
1.6 mycroft 4: * Copyright (c) 1993
5: * The Regents of the University of California. All rights reserved.
1.1 cgd 6: *
7: * This code is derived from software contributed to Berkeley by
8: * Jan-Simon Pendry.
9: *
10: * Redistribution and use in source and binary forms, with or without
11: * modification, are permitted provided that the following conditions
12: * are met:
13: * 1. Redistributions of source code must retain the above copyright
14: * notice, this list of conditions and the following disclaimer.
15: * 2. Redistributions in binary form must reproduce the above copyright
16: * notice, this list of conditions and the following disclaimer in the
17: * documentation and/or other materials provided with the distribution.
1.21.2.2 skrll 18: * 3. Neither the name of the University nor the names of its contributors
19: * may be used to endorse or promote products derived from this software
20: * without specific prior written permission.
21: *
22: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32: * SUCH DAMAGE.
33: *
34: * @(#)procfs_status.c 8.4 (Berkeley) 6/15/94
35: */
36:
37: /*
38: * Copyright (c) 1993 Jan-Simon Pendry
39: *
40: * This code is derived from software contributed to Berkeley by
41: * Jan-Simon Pendry.
42: *
43: * Redistribution and use in source and binary forms, with or without
44: * modification, are permitted provided that the following conditions
45: * are met:
46: * 1. Redistributions of source code must retain the above copyright
47: * notice, this list of conditions and the following disclaimer.
48: * 2. Redistributions in binary form must reproduce the above copyright
49: * notice, this list of conditions and the following disclaimer in the
50: * documentation and/or other materials provided with the distribution.
1.1 cgd 51: * 3. All advertising materials mentioning features or use of this software
52: * must display the following acknowledgement:
53: * This product includes software developed by the University of
54: * California, Berkeley and its contributors.
55: * 4. Neither the name of the University nor the names of its contributors
56: * may be used to endorse or promote products derived from this software
57: * without specific prior written permission.
58: *
59: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
60: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
61: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
62: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
63: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
64: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
65: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
66: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
67: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
68: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
69: * SUCH DAMAGE.
70: *
1.9 cgd 71: * @(#)procfs_status.c 8.4 (Berkeley) 6/15/94
1.1 cgd 72: */
1.17 lukem 73:
74: #include <sys/cdefs.h>
1.21.2.3! skrll 75: __KERNEL_RCSID(0, "$NetBSD: procfs_status.c,v 1.23 2004/04/22 00:31:00 itojun Exp $");
1.1 cgd 76:
77: #include <sys/param.h>
78: #include <sys/systm.h>
79: #include <sys/time.h>
80: #include <sys/kernel.h>
81: #include <sys/proc.h>
82: #include <sys/vnode.h>
83: #include <sys/ioctl.h>
84: #include <sys/tty.h>
85: #include <sys/resource.h>
86: #include <sys/resourcevar.h>
87: #include <miscfs/procfs/procfs.h>
88:
1.6 mycroft 89: int
1.21.2.3! skrll 90: procfs_dostatus(curp, l, pfs, uio)
! 91: struct proc *curp;
1.19 thorpej 92: struct lwp *l;
1.1 cgd 93: struct pfsnode *pfs;
94: struct uio *uio;
95: {
96: struct session *sess;
97: struct tty *tp;
98: struct ucred *cr;
1.19 thorpej 99: struct proc *p = l->l_proc;
1.1 cgd 100: char *ps;
101: char *sep;
102: int pid, ppid, pgid, sid;
1.18 thorpej 103: u_int i;
1.16 david 104: char psbuf[256+MAXHOSTNAMELEN]; /* XXX - conservative */
1.1 cgd 105:
106: if (uio->uio_rw != UIO_READ)
107: return (EOPNOTSUPP);
108:
109: pid = p->p_pid;
110: ppid = p->p_pptr ? p->p_pptr->p_pid : 0,
111: pgid = p->p_pgrp->pg_id;
112: sess = p->p_pgrp->pg_session;
1.14 thorpej 113: sid = sess->s_sid;
1.1 cgd 114:
1.10 jtc 115: /* comm pid ppid pgid sid maj,min ctty,sldr start ut st wmsg uid gid groups ... */
1.1 cgd 116:
117: ps = psbuf;
1.15 perry 118: memcpy(ps, p->p_comm, MAXCOMLEN);
1.1 cgd 119: ps[MAXCOMLEN] = '\0';
120: ps += strlen(ps);
1.21.2.2 skrll 121: ps += snprintf(ps, sizeof(psbuf) - (ps - psbuf), " %d %d %d %d ",
122: pid, ppid, pgid, sid);
1.1 cgd 123:
1.4 cgd 124: if ((p->p_flag&P_CONTROLT) && (tp = sess->s_ttyp))
1.21.2.2 skrll 125: ps += snprintf(ps, sizeof(psbuf) - (ps - psbuf), "%d,%d ",
126: major(tp->t_dev), minor(tp->t_dev));
1.1 cgd 127: else
1.21.2.2 skrll 128: ps += snprintf(ps, sizeof(psbuf) - (ps - psbuf), "%d,%d ",
129: -1, -1);
1.1 cgd 130:
131: sep = "";
132: if (sess->s_ttyvp) {
1.21.2.2 skrll 133: ps += snprintf(ps, sizeof(psbuf) - (ps - psbuf), "%sctty", sep);
1.1 cgd 134: sep = ",";
135: }
136: if (SESS_LEADER(p)) {
1.21.2.2 skrll 137: ps += snprintf(ps, sizeof(psbuf) - (ps - psbuf), "%ssldr", sep);
1.1 cgd 138: sep = ",";
139: }
140: if (*sep != ',')
1.21.2.2 skrll 141: ps += snprintf(ps, sizeof(psbuf) - (ps - psbuf), "noflags");
1.1 cgd 142:
1.19 thorpej 143: if (l->l_flag & L_INMEM)
1.21.2.2 skrll 144: ps += snprintf(ps, sizeof(psbuf) - (ps - psbuf), " %ld,%ld",
145: p->p_stats->p_start.tv_sec, p->p_stats->p_start.tv_usec);
1.1 cgd 146: else
1.21.2.2 skrll 147: ps += snprintf(ps, sizeof(psbuf) - (ps - psbuf), " -1,-1");
1.6 mycroft 148:
1.5 cgd 149: {
150: struct timeval ut, st;
151:
152: calcru(p, &ut, &st, (void *) 0);
1.21.2.2 skrll 153: ps += snprintf(ps, sizeof(psbuf) - (ps - psbuf),
154: " %ld,%ld %ld,%ld", ut.tv_sec, ut.tv_usec, st.tv_sec,
155: st.tv_usec);
1.5 cgd 156: }
1.1 cgd 157:
1.21.2.2 skrll 158: ps += snprintf(ps, sizeof(psbuf) - (ps - psbuf), " %s",
1.19 thorpej 159: (l->l_wchan && l->l_wmesg) ? l->l_wmesg : "nochan");
1.1 cgd 160:
161: cr = p->p_ucred;
162:
1.21.2.2 skrll 163: ps += snprintf(ps, sizeof(psbuf) - (ps - psbuf), " %d", cr->cr_uid);
164: ps += snprintf(ps, sizeof(psbuf) - (ps - psbuf), " %d", cr->cr_gid);
1.7 mycroft 165: for (i = 0; i < cr->cr_ngroups; i++)
1.21.2.2 skrll 166: ps += snprintf(ps, sizeof(psbuf) - (ps - psbuf), ",%d",
167: cr->cr_groups[i]);
168: ps += snprintf(ps, sizeof(psbuf) - (ps - psbuf), "\n");
1.1 cgd 169:
1.21.2.2 skrll 170: return (uiomove_frombuf(psbuf, ps - psbuf, uio));
1.1 cgd 171: }
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