diff options
Diffstat (limited to 'usr.bin/procstat')
-rw-r--r-- | usr.bin/procstat/procstat_sigs.c | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/usr.bin/procstat/procstat_sigs.c b/usr.bin/procstat/procstat_sigs.c new file mode 100644 index 0000000..b1f5e35 --- /dev/null +++ b/usr.bin/procstat/procstat_sigs.c @@ -0,0 +1,139 @@ +/*- + * 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); +} |