diff options
Diffstat (limited to 'usr.bin/procstat/procstat_advlock.c')
-rw-r--r-- | usr.bin/procstat/procstat_advlock.c | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/usr.bin/procstat/procstat_advlock.c b/usr.bin/procstat/procstat_advlock.c new file mode 100644 index 000000000000..2940503817d6 --- /dev/null +++ b/usr.bin/procstat/procstat_advlock.c @@ -0,0 +1,102 @@ +/*- + * SPDX-License-Identifier: BSD-2-Clause + * + * Copyright (c) 2022 The FreeBSD Foundation + * + * Portions of this software were developed by Konstantin Belousov + * under sponsorship from the FreeBSD Foundation. + * + * 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/param.h> +#include <sys/sysctl.h> +#include <sys/user.h> + +#include <err.h> +#include <libprocstat.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include "procstat.h" + +void +procstat_advlocks(struct procstat *prstat, struct kinfo_proc *kipp __unused) +{ + struct advlock_list *advl; + struct advlock *a; + static const char advisory_lock_item[] = "advisory_lock"; + + if ((procstat_opts & PS_OPT_NOHEADER) == 0) + xo_emit("{T:/%2s %5s %5s %5s %18s %18s %8s %9s %9s %s}\n", + "RW", "TYPE", "PID", "SYSID", "FSID", "RDEV", "INO", + "START", "LEN", "PATH"); + + xo_open_list(advisory_lock_item); + advl = procstat_getadvlock(prstat); + if (advl == NULL) { + xo_close_list(advisory_lock_item); + return; + } + + STAILQ_FOREACH(a, advl, next) { + xo_open_instance(advisory_lock_item); + switch (a->rw) { + case PS_ADVLOCK_RO: + xo_emit("{:rw/%s} ", "RO"); + break; + case PS_ADVLOCK_RW: + xo_emit("{:rw/%s} ", "RW"); + break; + default: + xo_emit("{:rw/%s} ", "??"); + break; + } + switch (a->type) { + case PS_ADVLOCK_TYPE_FLOCK: + xo_emit("{:type/%s} ", "FLOCK"); + break; + case PS_ADVLOCK_TYPE_PID: + xo_emit("{:type/%s} ", "FCNTL"); + break; + case PS_ADVLOCK_TYPE_REMOTE: + xo_emit("{:type/%s} ", "LOCKD"); + break; + default: + xo_emit("{:type/%s} ", "?????"); + break; + } + xo_emit("{:pid/%5d} ", a->pid); + xo_emit("{:sysid/%5d} ", a->sysid); + xo_emit("{:fsid/%18#jx} ", (uintmax_t)a->file_fsid); + xo_emit("{:rdev/%#18jx} ", (uintmax_t)a->file_rdev); + xo_emit("{:ino/%8ju} ", (uintmax_t)a->file_fileid); + xo_emit("{:start/%9ju} ", (uintmax_t)a->start); + xo_emit("{:len/%9ju} ", (uintmax_t)a->len); + xo_emit("{:path/%s}", a->path == NULL ? "" : a->path); + xo_emit("\n"); + xo_close_instance(advisory_lock_item); + } + xo_close_list(advisory_lock_item); + procstat_freeadvlock(prstat, advl); +} |