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Add file forgotten in r204879.

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This commit is contained in:
Konstantin Belousov 2010-03-08 20:45:52 +00:00
parent 55f65cd929
commit f464670689
1 changed files with 139 additions and 0 deletions
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139
usr.bin/procstat/procstat_sigs.c Normal file
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/*-
* Copyright (c) 2010 Konstantin Belousov
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#include <sys/param.h>
#include <sys/sysctl.h>
#include <sys/user.h>
#include <ctype.h>
#include <err.h>
#include <errno.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "procstat.h"
static void
procstat_print_signame(int sig)
{
char name[12];
int i;
if (!nflag && sig < sys_nsig) {
strlcpy(name, sys_signame[sig], sizeof(name));
for (i = 0; name[i] != 0; i++)
name[i] = toupper(name[i]);
printf("%-7s ", name);
} else
printf("%-7d ", sig);
}
static void
procstat_print_sig(const sigset_t *set, int sig, char flag)
{
printf("%c", sigismember(set, sig) ? flag : '-');
}
void
procstat_sigs(pid_t pid, struct kinfo_proc *kipp)
{
int j;
if (!hflag)
printf("%5s %-16s %-7s %4s\n", "PID", "COMM", "SIG", "FLAGS");
for (j = 1; j <= _SIG_MAXSIG; j++) {
printf("%5d ", pid);
printf("%-16s ", kipp->ki_comm);
procstat_print_signame(j);
printf(" ");
procstat_print_sig(&kipp->ki_siglist, j, 'P');
procstat_print_sig(&kipp->ki_sigignore, j, 'I');
procstat_print_sig(&kipp->ki_sigcatch, j, 'C');
printf("\n");
}
}
void
procstat_threads_sigs(pid_t pid, struct kinfo_proc *kipp)
{
struct kinfo_proc *kip;
int error, name[4], j;
unsigned int i;
size_t len;
if (!hflag)
printf("%5s %6s %-16s %-7s %4s\n", "PID", "TID", "COMM",
"SIG", "FLAGS");
/*
* We need to re-query for thread information, so don't use *kipp.
*/
name[0] = CTL_KERN;
name[1] = KERN_PROC;
name[2] = KERN_PROC_PID | KERN_PROC_INC_THREAD;
name[3] = pid;
len = 0;
error = sysctl(name, 4, NULL, &len, NULL, 0);
if (error < 0 && errno != ESRCH) {
warn("sysctl: kern.proc.pid: %d", pid);
return;
}
if (error < 0)
return;
kip = malloc(len);
if (kip == NULL)
err(-1, "malloc");
if (sysctl(name, 4, kip, &len, NULL, 0) < 0) {
warn("sysctl: kern.proc.pid: %d", pid);
free(kip);
return;
}
kinfo_proc_sort(kip, len / sizeof(*kipp));
for (i = 0; i < len / sizeof(*kipp); i++) {
kipp = &kip[i];
for (j = 1; j <= _SIG_MAXSIG; j++) {
printf("%5d ", pid);
printf("%6d ", kipp->ki_tid);
printf("%-16s ", kipp->ki_comm);
procstat_print_signame(j);
printf(" ");
procstat_print_sig(&kipp->ki_siglist, j, 'P');
procstat_print_sig(&kipp->ki_sigmask, j, 'B');
printf("\n");
}
}
free(kip);
}