140 lines
3.6 KiB
C
140 lines
3.6 KiB
C
/*-
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* Copyright (c) 2010 Konstantin Belousov
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include <sys/param.h>
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#include <sys/sysctl.h>
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#include <sys/user.h>
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#include <ctype.h>
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#include <err.h>
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#include <errno.h>
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#include <signal.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "procstat.h"
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static void
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procstat_print_signame(int sig)
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{
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char name[12];
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int i;
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if (!nflag && sig < sys_nsig) {
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strlcpy(name, sys_signame[sig], sizeof(name));
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for (i = 0; name[i] != 0; i++)
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name[i] = toupper(name[i]);
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printf("%-7s ", name);
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} else
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printf("%-7d ", sig);
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}
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static void
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procstat_print_sig(const sigset_t *set, int sig, char flag)
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{
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printf("%c", sigismember(set, sig) ? flag : '-');
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}
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void
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procstat_sigs(pid_t pid, struct kinfo_proc *kipp)
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{
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int j;
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if (!hflag)
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printf("%5s %-16s %-7s %4s\n", "PID", "COMM", "SIG", "FLAGS");
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for (j = 1; j <= _SIG_MAXSIG; j++) {
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printf("%5d ", pid);
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printf("%-16s ", kipp->ki_comm);
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procstat_print_signame(j);
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printf(" ");
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procstat_print_sig(&kipp->ki_siglist, j, 'P');
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procstat_print_sig(&kipp->ki_sigignore, j, 'I');
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procstat_print_sig(&kipp->ki_sigcatch, j, 'C');
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printf("\n");
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}
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}
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void
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procstat_threads_sigs(pid_t pid, struct kinfo_proc *kipp)
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{
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struct kinfo_proc *kip;
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int error, name[4], j;
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unsigned int i;
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size_t len;
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if (!hflag)
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printf("%5s %6s %-16s %-7s %4s\n", "PID", "TID", "COMM",
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"SIG", "FLAGS");
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/*
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* We need to re-query for thread information, so don't use *kipp.
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*/
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name[0] = CTL_KERN;
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name[1] = KERN_PROC;
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name[2] = KERN_PROC_PID | KERN_PROC_INC_THREAD;
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name[3] = pid;
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len = 0;
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error = sysctl(name, 4, NULL, &len, NULL, 0);
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if (error < 0 && errno != ESRCH) {
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warn("sysctl: kern.proc.pid: %d", pid);
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return;
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}
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if (error < 0)
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return;
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kip = malloc(len);
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if (kip == NULL)
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err(-1, "malloc");
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if (sysctl(name, 4, kip, &len, NULL, 0) < 0) {
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warn("sysctl: kern.proc.pid: %d", pid);
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free(kip);
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return;
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}
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kinfo_proc_sort(kip, len / sizeof(*kipp));
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for (i = 0; i < len / sizeof(*kipp); i++) {
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kipp = &kip[i];
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for (j = 1; j <= _SIG_MAXSIG; j++) {
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printf("%5d ", pid);
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printf("%6d ", kipp->ki_tid);
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printf("%-16s ", kipp->ki_comm);
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procstat_print_signame(j);
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printf(" ");
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procstat_print_sig(&kipp->ki_siglist, j, 'P');
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procstat_print_sig(&kipp->ki_sigmask, j, 'B');
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printf("\n");
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}
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}
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free(kip);
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}
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