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 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 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 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 89 procstat_threads_sigs(struct procstat *prstat __unused, struct kinfo_proc *kipp) 90 { 91 struct kinfo_proc *kip; 92 pid_t pid; 93 int error, name[4], j; 94 unsigned int i; 95 size_t len; 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 /* 103 * We need to re-query for thread information, so don't use *kipp. 104 */ 105 name[0] = CTL_KERN; 106 name[1] = KERN_PROC; 107 name[2] = KERN_PROC_PID | KERN_PROC_INC_THREAD; 108 name[3] = pid; 109 110 len = 0; 111 error = sysctl(name, 4, NULL, &len, NULL, 0); 112 if (error < 0 && errno != ESRCH) { 113 warn("sysctl: kern.proc.pid: %d", pid); 114 return; 115 } 116 if (error < 0) 117 return; 118 119 kip = malloc(len); 120 if (kip == NULL) 121 err(-1, "malloc"); 122 123 if (sysctl(name, 4, kip, &len, NULL, 0) < 0) { 124 warn("sysctl: kern.proc.pid: %d", pid); 125 free(kip); 126 return; 127 } 128 129 kinfo_proc_sort(kip, len / sizeof(*kipp)); 130 for (i = 0; i < len / sizeof(*kipp); i++) { 131 kipp = &kip[i]; 132 for (j = 1; j <= _SIG_MAXSIG; j++) { 133 printf("%5d ", pid); 134 printf("%6d ", kipp->ki_tid); 135 printf("%-16s ", kipp->ki_comm); 136 procstat_print_signame(j); 137 printf(" "); 138 procstat_print_sig(&kipp->ki_siglist, j, 'P'); 139 procstat_print_sig(&kipp->ki_sigmask, j, 'B'); 140 printf("\n"); 141 } 142 } 143 free(kip); 144 } 145