HardenedBSD/usr.bin/procstat/procstat_ptlwpinfo.c
Konstantin Belousov b65eb2f8a8 Consistently use __FBSDID("FreeBSD") for ids in usr.bin/procstat.
Submitted by:	Juraj Lutter <juraj@lutter.sk>
MFC after:	1 week
Differential revision:	https://reviews.freebsd.org/D26568
2020-09-27 23:01:54 +00:00

96 lines
3.2 KiB
C

/*-
* Copyright (c) 2017 Dell EMC
* 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.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/ptrace.h>
#include <sys/user.h>
#include <libprocstat.h>
#include "procstat.h"
void
procstat_ptlwpinfo(struct procstat *prstat, struct kinfo_proc *kipp __unused)
{
struct ptrace_lwpinfo *pl;
unsigned int count, i;
pl = procstat_getptlwpinfo(prstat, &count);
if (pl == NULL)
return;
if ((procstat_opts & PS_OPT_NOHEADER) == 0)
xo_emit(
"{T:/%6s %7s %5s %5s %5s %6s %5s} {[:/%d}{T:/%s}{]:} {T:/%s}\n",
"LWPID", "EVENT", "SIGNO", "CODE", "ERRNO", "PID", "UID",
2 * sizeof(void *) + 2, "ADDR", "TDNAME");
xo_open_container("threads");
for (i = 0; i < count; i++) {
xo_open_container("thread");
xo_emit("{:lwpid/%6d} ", pl[i].pl_lwpid);
switch (pl[i].pl_event) {
case PL_EVENT_NONE:
xo_emit("{eq:event/none}{d:event/%7s} ", "none");
break;
case PL_EVENT_SIGNAL:
xo_emit("{eq:event/signal}{d:event/%7s} ", "signal");
break;
default:
xo_emit("{eq:event/unknown}{d:event/%7s} ", "?");
break;
}
if ((pl[i].pl_flags & PL_FLAG_SI) != 0) {
siginfo_t *si;
si = &pl[i].pl_siginfo;
xo_emit("{:signal_number/%5d} ", si->si_signo);
xo_emit("{:code/%5d} ", si->si_code);
xo_emit("{:signal_errno/%5d} ", si->si_errno);
xo_emit("{:process_id/%6d} ", si->si_pid);
xo_emit("{:user_id/%5d} ", si->si_uid);
xo_emit("{[:/%d}{:address/%p}{]:} ",
2 * sizeof(void *) + 2, si->si_addr);
} else {
xo_emit("{:signal_number/%5s} ", "-");
xo_emit("{:code/%5s} ", "-");
xo_emit("{:signal_errno/%5s} ", "-");
xo_emit("{:process_id/%6s} ", "-");
xo_emit("{:user_id/%5s} ", "-");
xo_emit("{[:/%d}{:address/%s}{]:} ",
2 * sizeof(void *) + 2, "-");
}
xo_emit("{:tdname/%s}\n", pl[i].pl_tdname);
xo_close_container("thread");
}
xo_close_container("threads");
procstat_freeptlwpinfo(prstat, pl);
}