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: stable/10/usr.bin/procstat/procstat_sigs.c 357519 2020-02-04 19:31:01Z dim $ 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 44static void 45procstat_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 60static void 61procstat_print_sig(const sigset_t *set, int sig, char flag) 62{ 63 64 printf("%c", sigismember(set, sig) ? flag : '-'); 65} 66 67void 68procstat_sigs(struct procstat *prstat __unused, struct kinfo_proc *kipp) 69{ 70 int j; 71 pid_t pid; 72 73 pid = kipp->ki_pid; 74 if (!hflag) 75 printf("%5s %-16s %-7s %4s\n", "PID", "COMM", "SIG", "FLAGS"); 76 77 for (j = 1; j <= _SIG_MAXSIG; j++) { 78 printf("%5d ", pid); 79 printf("%-16s ", kipp->ki_comm); 80 procstat_print_signame(j); 81 printf(" "); 82 procstat_print_sig(&kipp->ki_siglist, j, 'P'); 83 procstat_print_sig(&kipp->ki_sigignore, j, 'I'); 84 procstat_print_sig(&kipp->ki_sigcatch, j, 'C'); 85 printf("\n"); 86 } 87} 88 89void 90procstat_threads_sigs(struct procstat *procstat, struct kinfo_proc *kipp) 91{ 92 struct kinfo_proc *kip; 93 pid_t pid; 94 int j; 95 unsigned int count, i; 96 97 pid = kipp->ki_pid; 98 if (!hflag) 99 printf("%5s %6s %-16s %-7s %4s\n", "PID", "TID", "COMM", 100 "SIG", "FLAGS"); 101 102 kip = procstat_getprocs(procstat, KERN_PROC_PID | KERN_PROC_INC_THREAD, 103 pid, &count); 104 if (kip == NULL) 105 return; 106 kinfo_proc_sort(kip, count); 107 for (i = 0; i < count; i++) { 108 kipp = &kip[i]; 109 for (j = 1; j <= _SIG_MAXSIG; j++) { 110 printf("%5d ", pid); 111 printf("%6d ", kipp->ki_tid); 112 printf("%-16s ", kipp->ki_comm); 113 procstat_print_signame(j); 114 printf(" "); 115 procstat_print_sig(&kipp->ki_siglist, j, 'P'); 116 procstat_print_sig(&kipp->ki_sigmask, j, 'B'); 117 printf("\n"); 118 } 119 } 120 procstat_freeprocs(procstat, kip); 121} 122