procstat_sigs.c revision 221807
1204880Skib/*- 2204880Skib * Copyright (c) 2010 Konstantin Belousov 3204880Skib * All rights reserved. 4204880Skib * 5204880Skib * Redistribution and use in source and binary forms, with or without 6204880Skib * modification, are permitted provided that the following conditions 7204880Skib * are met: 8204880Skib * 1. Redistributions of source code must retain the above copyright 9204880Skib * notice, this list of conditions and the following disclaimer. 10204880Skib * 2. Redistributions in binary form must reproduce the above copyright 11204880Skib * notice, this list of conditions and the following disclaimer in the 12204880Skib * documentation and/or other materials provided with the distribution. 13204880Skib * 14204880Skib * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15204880Skib * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16204880Skib * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17204880Skib * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18204880Skib * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19204880Skib * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20204880Skib * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21204880Skib * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22204880Skib * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23204880Skib * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24204880Skib * SUCH DAMAGE. 25204880Skib * 26204880Skib * $FreeBSD: head/usr.bin/procstat/procstat_sigs.c 221807 2011-05-12 10:11:39Z stas $ 27204880Skib */ 28204880Skib 29204880Skib#include <sys/param.h> 30204880Skib#include <sys/sysctl.h> 31204880Skib#include <sys/user.h> 32204880Skib 33204880Skib#include <ctype.h> 34204880Skib#include <err.h> 35204880Skib#include <errno.h> 36204880Skib#include <signal.h> 37204880Skib#include <stdio.h> 38204880Skib#include <stdlib.h> 39204880Skib#include <string.h> 40221807Sstas#include <libprocstat.h> 41204880Skib 42204880Skib#include "procstat.h" 43204880Skib 44204880Skibstatic void 45204880Skibprocstat_print_signame(int sig) 46204880Skib{ 47204880Skib char name[12]; 48204880Skib int i; 49204880Skib 50204880Skib if (!nflag && sig < sys_nsig) { 51204880Skib strlcpy(name, sys_signame[sig], sizeof(name)); 52204880Skib for (i = 0; name[i] != 0; i++) 53204880Skib name[i] = toupper(name[i]); 54204880Skib printf("%-7s ", name); 55204880Skib } else 56204880Skib printf("%-7d ", sig); 57204880Skib} 58204880Skib 59204880Skibstatic void 60204880Skibprocstat_print_sig(const sigset_t *set, int sig, char flag) 61204880Skib{ 62204880Skib 63204880Skib printf("%c", sigismember(set, sig) ? flag : '-'); 64204880Skib} 65204880Skib 66204880Skibvoid 67221807Sstasprocstat_sigs(struct procstat *prstat __unused, struct kinfo_proc *kipp) 68204880Skib{ 69204880Skib int j; 70221807Sstas pid_t pid; 71204880Skib 72221807Sstas pid = kipp->ki_pid; 73204880Skib if (!hflag) 74204880Skib printf("%5s %-16s %-7s %4s\n", "PID", "COMM", "SIG", "FLAGS"); 75204880Skib 76204880Skib for (j = 1; j <= _SIG_MAXSIG; j++) { 77204880Skib printf("%5d ", pid); 78204880Skib printf("%-16s ", kipp->ki_comm); 79204880Skib procstat_print_signame(j); 80204880Skib printf(" "); 81204880Skib procstat_print_sig(&kipp->ki_siglist, j, 'P'); 82204880Skib procstat_print_sig(&kipp->ki_sigignore, j, 'I'); 83204880Skib procstat_print_sig(&kipp->ki_sigcatch, j, 'C'); 84204880Skib printf("\n"); 85204880Skib } 86204880Skib} 87204880Skib 88204880Skibvoid 89221807Sstasprocstat_threads_sigs(struct procstat *prstat __unused, struct kinfo_proc *kipp) 90204880Skib{ 91204880Skib struct kinfo_proc *kip; 92221807Sstas pid_t pid; 93204880Skib int error, name[4], j; 94204880Skib unsigned int i; 95204880Skib size_t len; 96204880Skib 97221807Sstas pid = kipp->ki_pid; 98204880Skib if (!hflag) 99204880Skib printf("%5s %6s %-16s %-7s %4s\n", "PID", "TID", "COMM", 100204880Skib "SIG", "FLAGS"); 101204880Skib 102204880Skib /* 103204880Skib * We need to re-query for thread information, so don't use *kipp. 104204880Skib */ 105204880Skib name[0] = CTL_KERN; 106204880Skib name[1] = KERN_PROC; 107204880Skib name[2] = KERN_PROC_PID | KERN_PROC_INC_THREAD; 108204880Skib name[3] = pid; 109204880Skib 110204880Skib len = 0; 111204880Skib error = sysctl(name, 4, NULL, &len, NULL, 0); 112204880Skib if (error < 0 && errno != ESRCH) { 113204880Skib warn("sysctl: kern.proc.pid: %d", pid); 114204880Skib return; 115204880Skib } 116204880Skib if (error < 0) 117204880Skib return; 118204880Skib 119204880Skib kip = malloc(len); 120204880Skib if (kip == NULL) 121204880Skib err(-1, "malloc"); 122204880Skib 123204880Skib if (sysctl(name, 4, kip, &len, NULL, 0) < 0) { 124204880Skib warn("sysctl: kern.proc.pid: %d", pid); 125204880Skib free(kip); 126204880Skib return; 127204880Skib } 128204880Skib 129204880Skib kinfo_proc_sort(kip, len / sizeof(*kipp)); 130204880Skib for (i = 0; i < len / sizeof(*kipp); i++) { 131204880Skib kipp = &kip[i]; 132204880Skib for (j = 1; j <= _SIG_MAXSIG; j++) { 133204880Skib printf("%5d ", pid); 134204880Skib printf("%6d ", kipp->ki_tid); 135204880Skib printf("%-16s ", kipp->ki_comm); 136204880Skib procstat_print_signame(j); 137204880Skib printf(" "); 138204880Skib procstat_print_sig(&kipp->ki_siglist, j, 'P'); 139204880Skib procstat_print_sig(&kipp->ki_sigmask, j, 'B'); 140204880Skib printf("\n"); 141204880Skib } 142204880Skib } 143204880Skib free(kip); 144204880Skib} 145