1 /*-
2 * Copyright (c) 2010 Konstantin Belousov
3 * Copyright (c) 2015 Allan Jude <allanjude@freebsd.org>
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 *
27 * $FreeBSD$
28 */
29
30 #include <sys/param.h>
31 #include <sys/sysctl.h>
32 #include <sys/user.h>
33
34 #include <ctype.h>
35 #include <err.h>
36 #include <errno.h>
37 #include <signal.h>
38 #include <stdio.h>
39 #include <stdlib.h>
40 #include <string.h>
41 #include <libprocstat.h>
42
43 #include "procstat.h"
44
45 static void
procstat_print_signame(int sig)46 procstat_print_signame(int sig)
47 {
48 char name[12];
49 int i;
50
51 if (!nflag && sig < sys_nsig) {
52 strlcpy(name, sys_signame[sig], sizeof(name));
53 for (i = 0; name[i] != 0; i++)
54 name[i] = toupper(name[i]);
55 xo_emit("{d:signal/%-7s/%s} ", name);
56 xo_open_container(name);
57 } else {
58 xo_emit("{d:signal/%-7d/%d} ", sig);
59 snprintf(name, 12, "%d", sig);
60 xo_open_container(name);
61 }
62 }
63
64 static void
procstat_close_signame(int sig)65 procstat_close_signame(int sig)
66 {
67 char name[12];
68 int i;
69
70 if (!nflag && sig < sys_nsig) {
71 strlcpy(name, sys_signame[sig], sizeof(name));
72 for (i = 0; name[i] != 0; i++)
73 name[i] = toupper(name[i]);
74 xo_close_container(name);
75 } else
76 snprintf(name, 12, "%d", sig);
77 xo_close_container(name);
78 }
79
80 static void
procstat_print_sig(const sigset_t * set,int sig,char flag)81 procstat_print_sig(const sigset_t *set, int sig, char flag)
82 {
83 xo_emit("{d:sigmember/%c}", sigismember(set, sig) ? flag : '-');
84 switch (flag) {
85 case 'B':
86 xo_emit("{en:mask/%s}", sigismember(set, sig) ?
87 "true" : "false");
88 break;
89 case 'C':
90 xo_emit("{en:catch/%s}", sigismember(set, sig) ?
91 "true" : "false");
92 break;
93 case 'P':
94 xo_emit("{en:list/%s}", sigismember(set, sig) ?
95 "true" : "false");
96 break;
97 case 'I':
98 xo_emit("{en:ignore/%s}", sigismember(set, sig) ?
99 "true" : "false");
100 break;
101 default:
102 xo_emit("{en:unknown/%s}", sigismember(set, sig) ?
103 "true" : "false");
104 break;
105 }
106 }
107
108 void
procstat_sigs(struct procstat * prstat __unused,struct kinfo_proc * kipp)109 procstat_sigs(struct procstat *prstat __unused, struct kinfo_proc *kipp)
110 {
111 int j;
112
113 if (!hflag)
114 xo_emit("{T:/%5s %-16s %-7s %4s}\n", "PID", "COMM", "SIG",
115 "FLAGS");
116
117 xo_emit("{ek:process_id/%5d/%d}", kipp->ki_pid);
118 xo_emit("{e:command/%-16s/%s}", kipp->ki_comm);
119 xo_open_container("signals");
120 for (j = 1; j <= _SIG_MAXSIG; j++) {
121 xo_emit("{dk:process_id/%5d/%d} ", kipp->ki_pid);
122 xo_emit("{d:command/%-16s/%s} ", kipp->ki_comm);
123 procstat_print_signame(j);
124 xo_emit(" ");
125 procstat_print_sig(&kipp->ki_siglist, j, 'P');
126 procstat_print_sig(&kipp->ki_sigignore, j, 'I');
127 procstat_print_sig(&kipp->ki_sigcatch, j, 'C');
128 procstat_close_signame(j);
129 xo_emit("\n");
130 }
131 xo_close_container("signals");
132 }
133
134 void
procstat_threads_sigs(struct procstat * procstat,struct kinfo_proc * kipp)135 procstat_threads_sigs(struct procstat *procstat, struct kinfo_proc *kipp)
136 {
137 struct kinfo_proc *kip;
138 int j;
139 unsigned int count, i;
140 char *threadid;
141
142 if (!hflag)
143 xo_emit("{T:/%5s %6s %-16s %-7s %4s}\n", "PID", "TID", "COMM",
144 "SIG", "FLAGS");
145
146 kip = procstat_getprocs(procstat, KERN_PROC_PID | KERN_PROC_INC_THREAD,
147 kipp->ki_pid, &count);
148 if (kip == NULL)
149 return;
150 xo_emit("{ek:process_id/%5d/%d}", kipp->ki_pid);
151 xo_emit("{e:command/%-16s/%s}", kipp->ki_comm);
152 xo_open_container("threads");
153 kinfo_proc_sort(kip, count);
154 for (i = 0; i < count; i++) {
155 kipp = &kip[i];
156 asprintf(&threadid, "%d", kipp->ki_tid);
157 if (threadid == NULL)
158 xo_errc(1, ENOMEM, "Failed to allocate memory in "
159 "procstat_threads_sigs()");
160 xo_open_container(threadid);
161 xo_emit("{e:thread_id/%6d/%d}", kipp->ki_tid);
162 xo_open_container("signals");
163 for (j = 1; j <= _SIG_MAXSIG; j++) {
164 xo_emit("{dk:process_id/%5d/%d} ", kipp->ki_pid);
165 xo_emit("{d:thread_id/%6d/%d} ", kipp->ki_tid);
166 xo_emit("{d:command/%-16s/%s} ", kipp->ki_comm);
167 procstat_print_signame(j);
168 xo_emit(" ");
169 procstat_print_sig(&kipp->ki_siglist, j, 'P');
170 procstat_print_sig(&kipp->ki_sigmask, j, 'B');
171 procstat_close_signame(j);
172 xo_emit("\n");
173 }
174 xo_close_container("signals");
175 xo_close_container(threadid);
176 free(threadid);
177 }
178 xo_close_container("threads");
179 procstat_freeprocs(procstat, kip);
180 }
181