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 41 #include "procstat.h" 42 43 static void 44 procstat_print_signame(int sig) 45 { 46 char name[12]; 47 int i; 48 49 if (!nflag && sig < sys_nsig) { 50 strlcpy(name, sys_signame[sig], sizeof(name)); 51 for (i = 0; name[i] != 0; i++) 52 name[i] = toupper(name[i]); 53 printf("%-7s ", name); 54 } else 55 printf("%-7d ", sig); 56 } 57 58 static void 59 procstat_print_sig(const sigset_t *set, int sig, char flag) 60 { 61 62 printf("%c", sigismember(set, sig) ? flag : '-'); 63 } 64 65 void 66 procstat_sigs(pid_t pid, struct kinfo_proc *kipp) 67 { 68 int j; 69 70 if (!hflag) 71 printf("%5s %-16s %-7s %4s\n", "PID", "COMM", "SIG", "FLAGS"); 72 73 for (j = 1; j <= _SIG_MAXSIG; j++) { 74 printf("%5d ", pid); 75 printf("%-16s ", kipp->ki_comm); 76 procstat_print_signame(j); 77 printf(" "); 78 procstat_print_sig(&kipp->ki_siglist, j, 'P'); 79 procstat_print_sig(&kipp->ki_sigignore, j, 'I'); 80 procstat_print_sig(&kipp->ki_sigcatch, j, 'C'); 81 printf("\n"); 82 } 83 } 84 85 void 86 procstat_threads_sigs(pid_t pid, struct kinfo_proc *kipp) 87 { 88 struct kinfo_proc *kip; 89 int error, name[4], j; 90 unsigned int i; 91 size_t len; 92 93 if (!hflag) 94 printf("%5s %6s %-16s %-7s %4s\n", "PID", "TID", "COMM", 95 "SIG", "FLAGS"); 96 97 /* 98 * We need to re-query for thread information, so don't use *kipp. 99 */ 100 name[0] = CTL_KERN; 101 name[1] = KERN_PROC; 102 name[2] = KERN_PROC_PID | KERN_PROC_INC_THREAD; 103 name[3] = pid; 104 105 len = 0; 106 error = sysctl(name, 4, NULL, &len, NULL, 0); 107 if (error < 0 && errno != ESRCH) { 108 warn("sysctl: kern.proc.pid: %d", pid); 109 return; 110 } 111 if (error < 0) 112 return; 113 114 kip = malloc(len); 115 if (kip == NULL) 116 err(-1, "malloc"); 117 118 if (sysctl(name, 4, kip, &len, NULL, 0) < 0) { 119 warn("sysctl: kern.proc.pid: %d", pid); 120 free(kip); 121 return; 122 } 123 124 kinfo_proc_sort(kip, len / sizeof(*kipp)); 125 for (i = 0; i < len / sizeof(*kipp); i++) { 126 kipp = &kip[i]; 127 for (j = 1; j <= _SIG_MAXSIG; j++) { 128 printf("%5d ", pid); 129 printf("%6d ", kipp->ki_tid); 130 printf("%-16s ", kipp->ki_comm); 131 procstat_print_signame(j); 132 printf(" "); 133 procstat_print_sig(&kipp->ki_siglist, j, 'P'); 134 procstat_print_sig(&kipp->ki_sigmask, j, 'B'); 135 printf("\n"); 136 } 137 } 138 free(kip); 139 } 140