1 /*-
2 * Copyright (c) 2010 Konstantin Belousov
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 AUTHOR 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 AUTHOR 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/param.h>
30 #include <sys/sysctl.h>
31 #include <sys/user.h>
32
33 #include <ctype.h>
34 #include <err.h>
35 #include <errno.h>
36 #include <signal.h>
37 #include <stdio.h>
38 #include <stdlib.h>
39 #include <string.h>
40 #include <libprocstat.h>
41
42 #include "procstat.h"
43
44 static void
procstat_print_signame(int sig)45 procstat_print_signame(int sig)
46 {
47 char name[12];
48 int i;
49
50 if (!nflag && sig < sys_nsig) {
51 strlcpy(name, sys_signame[sig], sizeof(name));
52 for (i = 0; name[i] != 0; i++)
53 name[i] = toupper(name[i]);
54 printf("%-7s ", name);
55 } else
56 printf("%-7d ", sig);
57 }
58
59 static void
procstat_print_sig(const sigset_t * set,int sig,char flag)60 procstat_print_sig(const sigset_t *set, int sig, char flag)
61 {
62
63 printf("%c", sigismember(set, sig) ? flag : '-');
64 }
65
66 void
procstat_sigs(struct procstat * prstat __unused,struct kinfo_proc * kipp)67 procstat_sigs(struct procstat *prstat __unused, struct kinfo_proc *kipp)
68 {
69 int j;
70 pid_t pid;
71
72 pid = kipp->ki_pid;
73 if (!hflag)
74 printf("%5s %-16s %-7s %4s\n", "PID", "COMM", "SIG", "FLAGS");
75
76 for (j = 1; j <= _SIG_MAXSIG; j++) {
77 printf("%5d ", pid);
78 printf("%-16s ", kipp->ki_comm);
79 procstat_print_signame(j);
80 printf(" ");
81 procstat_print_sig(&kipp->ki_siglist, j, 'P');
82 procstat_print_sig(&kipp->ki_sigignore, j, 'I');
83 procstat_print_sig(&kipp->ki_sigcatch, j, 'C');
84 printf("\n");
85 }
86 }
87
88 void
procstat_threads_sigs(struct procstat * procstat,struct kinfo_proc * kipp)89 procstat_threads_sigs(struct procstat *procstat, struct kinfo_proc *kipp)
90 {
91 struct kinfo_proc *kip;
92 pid_t pid;
93 int j;
94 unsigned int count, i;
95
96 pid = kipp->ki_pid;
97 if (!hflag)
98 printf("%5s %6s %-16s %-7s %4s\n", "PID", "TID", "COMM",
99 "SIG", "FLAGS");
100
101 kip = procstat_getprocs(procstat, KERN_PROC_PID | KERN_PROC_INC_THREAD,
102 pid, &count);
103 if (kip == NULL)
104 return;
105 kinfo_proc_sort(kip, count);
106 for (i = 0; i < count; i++) {
107 kipp = &kip[i];
108 for (j = 1; j <= _SIG_MAXSIG; j++) {
109 printf("%5d ", pid);
110 printf("%6d ", kipp->ki_tid);
111 printf("%-16s ", kipp->ki_comm);
112 procstat_print_signame(j);
113 printf(" ");
114 procstat_print_sig(&kipp->ki_siglist, j, 'P');
115 procstat_print_sig(&kipp->ki_sigmask, j, 'B');
116 printf("\n");
117 }
118 }
119 procstat_freeprocs(procstat, kip);
120 }
121