Index: head/lib/libcasper/services/cap_syslog/cap_syslog.c
===================================================================
--- head/lib/libcasper/services/cap_syslog/cap_syslog.c	(revision 341691)
+++ head/lib/libcasper/services/cap_syslog/cap_syslog.c	(revision 341692)
@@ -1,201 +1,201 @@
 /*-
  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
  *
  * Copyright (c) 2017 Mariusz Zaborski <oshogbo@FreeBSD.org>
  * 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 AUTHORS 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 AUTHORS 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/dnv.h>
 #include <sys/nv.h>
 
 #include <assert.h>
 #include <errno.h>
 #include <stdarg.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <syslog.h>
 
 #include <libcasper.h>
 #include <libcasper_service.h>
 
 #include "cap_syslog.h"
 
 #define	CAP_SYSLOG_LIMIT	2048
 
 void
 cap_syslog(cap_channel_t *chan, int pri, const char *fmt, ...)
 {
 	va_list ap;
 
 	va_start(ap, fmt);
 	cap_vsyslog(chan, pri, fmt, ap);
 	va_end(ap);
 }
 
 void
 cap_vsyslog(cap_channel_t *chan, int priority, const char *fmt, va_list ap)
 {
 	nvlist_t *nvl;
 	char message[CAP_SYSLOG_LIMIT];
 
 	(void)vsnprintf(message, sizeof(message), fmt, ap);
 
 	nvl = nvlist_create(0);
 	nvlist_add_string(nvl, "cmd", "vsyslog");
 	nvlist_add_number(nvl, "priority", priority);
 	nvlist_add_string(nvl, "message", message);
 	nvl = cap_xfer_nvlist(chan, nvl);
 	if (nvl == NULL) {
 		return;
 	}
 	nvlist_destroy(nvl);
 }
 
 void
 cap_openlog(cap_channel_t *chan, const char *ident, int logopt, int facility)
 {
 	nvlist_t *nvl;
 
 	nvl = nvlist_create(0);
 	nvlist_add_string(nvl, "cmd", "openlog");
 	if (ident != NULL) {
 		nvlist_add_string(nvl, "ident", ident);
 	}
 	nvlist_add_number(nvl, "logopt", logopt);
 	nvlist_add_number(nvl, "facility", facility);
 	nvl = cap_xfer_nvlist(chan, nvl);
 	if (nvl == NULL) {
 		return;
 	}
 	nvlist_destroy(nvl);
 }
 
 void
 cap_closelog(cap_channel_t *chan)
 {
 	nvlist_t *nvl;
 
 	nvl = nvlist_create(0);
 	nvlist_add_string(nvl, "cmd", "closelog");
 	nvl = cap_xfer_nvlist(chan, nvl);
 	if (nvl == NULL) {
 		return;
 	}
 	nvlist_destroy(nvl);
 }
 
 int
 cap_setlogmask(cap_channel_t *chan, int maskpri)
 {
 	nvlist_t *nvl;
 	int omask;
 
 	nvl = nvlist_create(0);
 	nvlist_add_string(nvl, "cmd", "setlogmask");
 	nvlist_add_number(nvl, "maskpri", maskpri);
 	nvl = cap_xfer_nvlist(chan, nvl);
 	omask = nvlist_get_number(nvl, "omask");
 
 	nvlist_destroy(nvl);
 
 	return (omask);
 }
 
 /*
  * Service functions.
  */
 
 static char *LogTag;
 
 static void
 slog_vsyslog(const nvlist_t *limits __unused, const nvlist_t *nvlin,
     nvlist_t *nvlout __unused)
 {
 
 	syslog(nvlist_get_number(nvlin, "priority"), "%s",
 	    nvlist_get_string(nvlin, "message"));
 }
 
 static void
 slog_openlog(const nvlist_t *limits __unused, const nvlist_t *nvlin,
     nvlist_t *nvlout __unused)
 {
 	const char *ident;
 
 	ident = dnvlist_get_string(nvlin, "ident", NULL);
 	if (ident != NULL) {
 		free(LogTag);
 		LogTag = strdup(ident);
 	}
 
 	openlog(LogTag, nvlist_get_number(nvlin, "logopt"),
 	    nvlist_get_number(nvlin, "facility"));
 }
 
 static void
 slog_closelog(const nvlist_t *limits __unused, const nvlist_t *nvlin __unused,
     nvlist_t *nvlout __unused)
 {
 
 	closelog();
 
 	free(LogTag);
 	LogTag = NULL;
 }
 
 static void
 slog_setlogmask(const nvlist_t *limits __unused, const nvlist_t *nvlin,
     nvlist_t *nvlout)
 {
 	int omask;
 
 	omask = setlogmask(nvlist_get_number(nvlin, "maskpri"));
 	nvlist_add_number(nvlout, "omask", omask);
 }
 
 static int
 syslog_command(const char *cmd, const nvlist_t *limits, nvlist_t *nvlin,
     nvlist_t *nvlout)
 {
 
 	if (strcmp(cmd, "vsyslog") == 0) {
 		slog_vsyslog(limits, nvlin, nvlout);
 	} else if (strcmp(cmd, "openlog") == 0) {
 		slog_openlog(limits, nvlin, nvlout);
 	} else if (strcmp(cmd, "closelog") == 0) {
 		slog_closelog(limits, nvlin, nvlout);
 	} else if (strcmp(cmd, "setlogmask") == 0) {
 		slog_setlogmask(limits, nvlin, nvlout);
 	} else {
 		return (EINVAL);
 	}
 
 	return (0);
 }
 
-CREATE_SERVICE("system.syslog", NULL, syslog_command, 0);
+CREATE_SERVICE("system.syslog", NULL, syslog_command, CASPER_SERVICE_STDIO);