socsvn commit: r256909 - soc2013/dpl/head/lib/libnv

dpl at FreeBSD.org dpl at FreeBSD.org
Wed Sep 4 19:07:07 UTC 2013


Author: dpl
Date: Wed Sep  4 19:07:06 2013
New Revision: 256909
URL: http://svnweb.FreeBSD.org/socsvn/?view=rev&rev=256909

Log:
  Added libnv to my branch.
  

Added:
  soc2013/dpl/head/lib/libnv/
  soc2013/dpl/head/lib/libnv/Makefile
  soc2013/dpl/head/lib/libnv/dnv.h
  soc2013/dpl/head/lib/libnv/dnvlist.c
  soc2013/dpl/head/lib/libnv/msgio.c
  soc2013/dpl/head/lib/libnv/msgio.h
  soc2013/dpl/head/lib/libnv/nv.h
  soc2013/dpl/head/lib/libnv/nv_impl.h
  soc2013/dpl/head/lib/libnv/nvlist.c
  soc2013/dpl/head/lib/libnv/nvlist_impl.h
  soc2013/dpl/head/lib/libnv/nvpair.c
  soc2013/dpl/head/lib/libnv/nvpair_impl.h

Added: soc2013/dpl/head/lib/libnv/Makefile
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ soc2013/dpl/head/lib/libnv/Makefile	Wed Sep  4 19:07:06 2013	(r256909)
@@ -0,0 +1,16 @@
+#	$FreeBSD$
+
+LIB=	nv
+SHLIBDIR?= /lib
+SHLIB_MAJOR= 0
+
+SRCS=	dnvlist.c
+SRCS+=	msgio.c
+SRCS+=	nvlist.c
+SRCS+=	nvpair.c
+INCS=	nv.h
+INCS+=	dnv.h
+
+CFLAGS+=-ggdb
+
+.include <bsd.lib.mk>

Added: soc2013/dpl/head/lib/libnv/dnv.h
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ soc2013/dpl/head/lib/libnv/dnv.h	Wed Sep  4 19:07:06 2013	(r256909)
@@ -0,0 +1,87 @@
+/*-
+ * Copyright (c) 2013 The FreeBSD Foundation
+ * All rights reserved.
+ *
+ * This software was developed by Pawel Jakub Dawidek 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 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.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef	_DNV_H_
+#define	_DNV_H_
+
+#include <sys/cdefs.h>
+
+#include <stdarg.h>
+#include <stdbool.h>
+#include <stdint.h>
+
+#ifndef	_NVPAIR_T_DECLARED
+#define	_NVPAIR_T_DECLARED
+struct nvpair;
+
+typedef struct nvpair nvpair_t;
+#endif
+
+#ifndef	_NVLIST_T_DECLARED
+#define	_NVLIST_T_DECLARED
+struct nvlist;
+
+typedef struct nvlist nvlist_t;
+#endif
+
+/*
+ * The dnvlist_get functions returns value associated with the given name.
+ * If it returns a pointer, the pointer represents internal buffer and should
+ * not be freed by the caller.
+ * If no element of the given name and type exists, the function will return
+ * provided default value.
+ */
+
+const nvpair_t *dnvlist_get_nvpair(const nvlist_t *nvl, const char *name, const nvpair_t *defval);
+bool dnvlist_get_bool(const nvlist_t *nvl, const char *name, bool defval);
+uint64_t dnvlist_get_number(const nvlist_t *nvl, const char *name, uint64_t defval);
+const char *dnvlist_get_string(const nvlist_t *nvl, const char *name, const char *defval);
+const nvlist_t *dnvlist_get_nvlist(const nvlist_t *nvl, const char *name, const nvlist_t *defval);
+int dnvlist_get_descriptor(const nvlist_t *nvl, const char *name, int defval);
+const void *dnvlist_get_binary(const nvlist_t *nvl, const char *name, size_t *sizep, const void *defval, size_t defsize);
+
+const nvpair_t *dnvlist_getf_nvpair(const nvlist_t *nvl, const nvpair_t *defval, const char *namefmt, ...) __printflike(3, 4);
+bool dnvlist_getf_bool(const nvlist_t *nvl, bool defval, const char *namefmt, ...) __printflike(3, 4);
+uint64_t dnvlist_getf_number(const nvlist_t *nvl, uint64_t defval, const char *namefmt, ...) __printflike(3, 4);
+const char *dnvlist_getf_string(const nvlist_t *nvl, const char *defval, const char *namefmt, ...) __printflike(3, 4);
+const nvlist_t *dnvlist_getf_nvlist(const nvlist_t *nvl, const nvlist_t *defval, const char *namefmt, ...) __printflike(3, 4);
+int dnvlist_getf_descriptor(const nvlist_t *nvl, int defval, const char *namefmt, ...) __printflike(3, 4);
+const void *dnvlist_getf_binary(const nvlist_t *nvl, size_t *sizep, const void *defval, size_t defsize, const char *namefmt, ...) __printflike(5, 6);
+
+const nvpair_t *dnvlist_getv_nvpair(const nvlist_t *nvl, const nvpair_t *defval, const char *namefmt, va_list nameap) __printflike(3, 0);
+bool dnvlist_getv_bool(const nvlist_t *nvl, bool defval, const char *namefmt, va_list nameap) __printflike(3, 0);
+uint64_t dnvlist_getv_number(const nvlist_t *nvl, uint64_t defval, const char *namefmt, va_list nameap) __printflike(3, 0);
+const char *dnvlist_getv_string(const nvlist_t *nvl, const char *defval, const char *namefmt, va_list nameap) __printflike(3, 0);
+const nvlist_t *dnvlist_getv_nvlist(const nvlist_t *nvl, const nvlist_t *defval, const char *namefmt, va_list nameap) __printflike(3, 0);
+int dnvlist_getv_descriptor(const nvlist_t *nvl, int defval, const char *namefmt, va_list nameap) __printflike(3, 0);
+const void *dnvlist_getv_binary(const nvlist_t *nvl, size_t *sizep, const void *defval, size_t defsize, const char *namefmt, va_list nameap) __printflike(5, 0);
+
+#endif	/* !_DNV_H_ */

Added: soc2013/dpl/head/lib/libnv/dnvlist.c
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ soc2013/dpl/head/lib/libnv/dnvlist.c	Wed Sep  4 19:07:06 2013	(r256909)
@@ -0,0 +1,163 @@
+/*-
+ * Copyright (c) 2013 The FreeBSD Foundation
+ * All rights reserved.
+ *
+ * This software was developed by Pawel Jakub Dawidek 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 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 <stdarg.h>
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "nv.h"
+
+#include "dnv.h"
+
+#define	DNVLIST_GET(ftype, type)					\
+ftype									\
+dnvlist_get_##type(const nvlist_t *nvl, const char *name, ftype defval)	\
+{									\
+									\
+	return (dnvlist_getf_##type(nvl, defval, "%s", name));		\
+}
+
+DNVLIST_GET(const nvpair_t *, nvpair)
+DNVLIST_GET(bool, bool)
+DNVLIST_GET(uint64_t, number)
+DNVLIST_GET(const char *, string)
+DNVLIST_GET(const nvlist_t *, nvlist)
+DNVLIST_GET(int, descriptor)
+
+#undef	DNVLIST_GET
+
+const void *
+dnvlist_get_binary(const nvlist_t *nvl, const char *name, size_t *sizep,
+    const void *defval, size_t defsize)
+{
+
+	return (dnvlist_getf_binary(nvl, sizep, defval, defsize, "%s", name));
+}
+
+#define	DNVLIST_GETF(ftype, type)					\
+ftype									\
+dnvlist_getf_##type(const nvlist_t *nvl, ftype defval,			\
+    const char *namefmt, ...)						\
+{									\
+	va_list nameap;							\
+	ftype value;							\
+									\
+	va_start(nameap, namefmt);					\
+	value = dnvlist_getv_##type(nvl, defval, namefmt, nameap);	\
+	va_end(nameap);							\
+									\
+	return (value);							\
+}
+
+DNVLIST_GETF(const nvpair_t *, nvpair)
+DNVLIST_GETF(bool, bool)
+DNVLIST_GETF(uint64_t, number)
+DNVLIST_GETF(const char *, string)
+DNVLIST_GETF(const nvlist_t *, nvlist)
+DNVLIST_GETF(int, descriptor)
+
+#undef	DNVLIST_GETF
+
+const void *
+dnvlist_getf_binary(const nvlist_t *nvl, size_t *sizep, const void *defval,
+    size_t defsize, const char *namefmt, ...)
+{
+	va_list nameap;
+	const void *value;
+
+	va_start(nameap, namefmt);
+	value = dnvlist_getv_binary(nvl, sizep, defval, defsize, namefmt,
+	    nameap);
+	va_end(nameap);
+
+	return (value);
+}
+
+const nvpair_t *
+dnvlist_getv_nvpair(const nvlist_t *nvl, const nvpair_t *defval,
+    const char *namefmt, va_list nameap)
+{
+	va_list cnameap;
+	const nvpair_t *value;
+
+	va_copy(cnameap, nameap);
+	if (nvlist_existsv(nvl, namefmt, cnameap))
+		value = nvlist_getv_nvpair(nvl, namefmt, nameap);
+	else
+		value = defval;
+	va_end(cnameap);
+	return (value);
+}
+
+#define	DNVLIST_GETV(ftype, type)					\
+ftype									\
+dnvlist_getv_##type(const nvlist_t *nvl, ftype defval,			\
+    const char *namefmt, va_list nameap)				\
+{									\
+	va_list cnameap;						\
+	ftype value;							\
+									\
+	va_copy(cnameap, nameap);					\
+	if (nvlist_existsv_##type(nvl, namefmt, cnameap))		\
+		value = nvlist_getv_##type(nvl, namefmt, nameap);	\
+	else								\
+		value = defval;						\
+	va_end(cnameap);						\
+	return (value);							\
+}
+
+DNVLIST_GETV(bool, bool)
+DNVLIST_GETV(uint64_t, number)
+DNVLIST_GETV(const char *, string)
+DNVLIST_GETV(const nvlist_t *, nvlist)
+DNVLIST_GETV(int, descriptor)
+
+#undef	DNVLIST_GETV
+
+const void *
+dnvlist_getv_binary(const nvlist_t *nvl, size_t *sizep, const void *defval,
+    size_t defsize, const char *namefmt, va_list nameap)
+{
+	va_list cnameap;
+	const void *value;
+
+	va_copy(cnameap, nameap);
+	if (nvlist_existsv_binary(nvl, namefmt, cnameap)) {
+		value = nvlist_getv_binary(nvl, sizep, namefmt, nameap);
+	} else {
+		if (sizep != NULL)
+			*sizep = defsize;
+		value = defval;
+	}
+	va_end(cnameap);
+	return (value);
+}

Added: soc2013/dpl/head/lib/libnv/msgio.c
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ soc2013/dpl/head/lib/libnv/msgio.c	Wed Sep  4 19:07:06 2013	(r256909)
@@ -0,0 +1,350 @@
+/*-
+ * Copyright (c) 2013 The FreeBSD Foundation
+ * All rights reserved.
+ *
+ * This software was developed by Pawel Jakub Dawidek 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 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/types.h>
+#include <sys/socket.h>
+
+#include <errno.h>
+#include <fcntl.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#ifdef HAVE_PJDLOG
+#include <pjdlog.h>
+#endif
+
+#include "msgio.h"
+
+#ifndef	HAVE_PJDLOG
+#include <assert.h>
+#define	PJDLOG_ASSERT(...)		assert(__VA_ARGS__)
+#define	PJDLOG_RASSERT(expr, ...)	assert(expr)
+#define	PJDLOG_ABORT(...)		abort()
+#endif
+
+int
+msghdr_allocate(size_t datasize, size_t nfds, struct msghdr *msg,
+    struct iovec *iov)
+{
+	int serrno;
+
+	bzero(msg, sizeof(*msg));
+	bzero(iov, sizeof(*iov));
+
+	msg->msg_iov = iov;
+	msg->msg_iovlen = 1;
+
+	if (datasize == 0)
+		return (0);
+
+	if (nfds > 0) {
+		msg->msg_controllen = nfds * CMSG_SPACE(sizeof(int));
+		msg->msg_control = calloc(1, msg->msg_controllen);
+		if (msg->msg_control == NULL)
+			return (-1);
+	}
+
+	iov->iov_len = datasize;
+	iov->iov_base = malloc(iov->iov_len);
+	if (iov->iov_base == NULL) {
+		serrno = errno;
+		free(msg->msg_control);
+		errno = serrno;
+		return (-1);
+	}
+
+	return (0);
+}
+
+static bool
+fd_is_valid(int fd)
+{
+
+	return (fcntl(fd, F_GETFL) != -1 || errno != EBADF);
+}
+
+static int
+msghdr_add_fd(struct msghdr *msg, struct cmsghdr **cmsgp, int fd)
+{
+	struct cmsghdr *cmsg;
+
+	PJDLOG_ASSERT(fd >= 0);
+
+	if (!fd_is_valid(fd)) {
+		errno = EBADF;
+		return (-1);
+	}
+
+	cmsg = *cmsgp;
+	cmsg->cmsg_level = SOL_SOCKET;
+	cmsg->cmsg_type = SCM_RIGHTS;
+	cmsg->cmsg_len = CMSG_LEN(sizeof(fd));
+	bcopy(&fd, CMSG_DATA(cmsg), sizeof(fd));
+	*cmsgp = CMSG_NXTHDR(msg, cmsg);
+
+	return (0);
+}
+
+int
+msghdr_fds_from_array(const int *fds, size_t nfds, struct msghdr *msg)
+{
+	struct cmsghdr *cmsg;
+	unsigned int ii;
+	int serrno;
+
+	if (nfds == 0) {
+		msg->msg_control = NULL;
+		msg->msg_controllen = 0;
+		return (0);
+	}
+
+	msg->msg_controllen = nfds * CMSG_SPACE(sizeof(int));
+	msg->msg_control = calloc(1, msg->msg_controllen);
+	if (msg->msg_control == NULL)
+		return (-1);
+
+	cmsg = CMSG_FIRSTHDR(msg);
+	for (ii = 0; ii < nfds; ii++) {
+		if (msghdr_add_fd(msg, &cmsg, fds[ii]) == -1) {
+			serrno = errno;
+			free(msg->msg_control);
+			errno = serrno;
+			return (-1);
+		}
+	}
+
+	return (0);
+}
+
+static struct cmsghdr *
+msghdr_get_fd(struct msghdr *msg, struct cmsghdr *cmsg, int *fdp)
+{
+
+	if (cmsg == NULL || cmsg->cmsg_level != SOL_SOCKET ||
+	    cmsg->cmsg_type != SCM_RIGHTS) {
+		return (NULL);
+	}
+
+	bcopy(CMSG_DATA(cmsg), fdp, sizeof(*fdp));
+#ifndef MSG_CMSG_CLOEXEC
+	/*
+	 * If the MSG_CMSG_CLOEXEC flag is not available we cannot set the
+	 * close-on-exec flag atomically, but we still want to set it for
+	 * consistency.
+	 */
+	(void) fcntl(*fdp, F_SETFD, FD_CLOEXEC);
+#endif
+
+	return (CMSG_NXTHDR(msg, cmsg));
+}
+
+int *
+msghdr_fds_to_array(struct msghdr *msg, size_t nfds)
+{
+	struct cmsghdr *cmsg;
+	unsigned int ii;
+	int *fds;
+
+	fds = malloc(sizeof(fds[0]) * nfds);
+	if (fds == NULL)
+		return (NULL);
+	cmsg = CMSG_FIRSTHDR(msg);
+	for (ii = 0; ii < nfds && cmsg != NULL; ii++)
+		cmsg = msghdr_get_fd(msg, cmsg, &fds[ii]);
+	if (cmsg != NULL || ii < nfds) {
+		free(fds);
+		fds = NULL;
+	}
+
+	return (fds);
+}
+
+void
+msghdr_fds_free(struct msghdr *msg)
+{
+	struct cmsghdr *cmsg;
+	int fd;
+
+	for (cmsg = CMSG_FIRSTHDR(msg); cmsg != NULL;
+	    cmsg = CMSG_NXTHDR(msg, cmsg)) {
+		if (cmsg->cmsg_level == SOL_SOCKET &&
+		    cmsg->cmsg_type == SCM_RIGHTS) {
+			bcopy(CMSG_DATA(cmsg), &fd, sizeof(fd));
+			close(fd);
+		}
+	}
+}
+
+static void
+fd_wait(int fd, bool doread)
+{
+	fd_set fds;
+
+	PJDLOG_ASSERT(fd >= 0);
+
+	FD_ZERO(&fds);
+	FD_SET(fd, &fds);
+	(void)select(fd + 1, doread ? &fds : NULL, doread ? NULL : &fds,
+	    NULL, NULL);
+}
+
+int
+msg_peek(int sock, void *buf, size_t size)
+{
+	unsigned char *ptr;
+	ssize_t done;
+
+	PJDLOG_ASSERT(sock >= 0);
+	PJDLOG_ASSERT(size > 0);
+
+	ptr = buf;
+	do {
+		fd_wait(sock, true);
+		done = recv(sock, ptr, size, MSG_PEEK);
+		if (done == -1) {
+			if (errno == EINTR)
+				continue;
+			return (-1);
+		} else if (done == 0) {
+			errno = ENOTCONN;
+			return (-1);
+		}
+		size -= done;
+		ptr += done;
+	} while (size > 0);
+
+	return (0);
+}
+
+int
+msg_recv(int sock, struct msghdr *msg)
+{
+	int flags;
+
+	PJDLOG_ASSERT(sock >= 0);
+
+#ifdef MSG_CMSG_CLOEXEC
+	flags = MSG_CMSG_CLOEXEC;
+#else
+	flags = 0;
+#endif
+
+	for (;;) {
+		fd_wait(sock, true);
+		if (recvmsg(sock, msg, flags) == -1) {
+			if (errno == EINTR)
+				continue;
+			return (-1);
+		}
+		break;
+	}
+
+	return (0);
+}
+
+int
+msg_send(int sock, const struct msghdr *msg)
+{
+
+	PJDLOG_ASSERT(sock >= 0);
+
+	for (;;) {
+		fd_wait(sock, false);
+		if (sendmsg(sock, msg, 0) == -1) {
+			if (errno == EINTR)
+				continue;
+			return (-1);
+		}
+		break;
+	}
+
+	return (0);
+}
+
+int
+cred_send(int sock)
+{
+	struct msghdr msg;
+	struct cmsghdr *cmsg;
+	unsigned char credbuf[CMSG_SPACE(sizeof(struct cmsgcred))];
+
+	bzero(credbuf, sizeof(credbuf));
+	bzero(&msg, sizeof(msg));
+
+	msg.msg_iov = NULL;
+	msg.msg_iovlen = 0;
+	msg.msg_control = credbuf;
+	msg.msg_controllen = sizeof(credbuf);
+
+	cmsg = CMSG_FIRSTHDR(&msg);
+	cmsg->cmsg_len = CMSG_LEN(sizeof(struct cmsgcred));
+	cmsg->cmsg_level = SOL_SOCKET;
+	cmsg->cmsg_type = SCM_CREDS;
+
+	if (msg_send(sock, &msg) == -1)
+		return (-1);
+
+	return (0);
+}
+
+int
+cred_recv(int sock, struct cmsgcred *cred)
+{
+	unsigned char credbuf[CMSG_SPACE(sizeof(struct cmsgcred))];
+	struct msghdr msg;
+	struct cmsghdr *cmsg;
+
+	bzero(credbuf, sizeof(credbuf));
+	bzero(&msg, sizeof(msg));
+
+	msg.msg_iov = NULL;
+	msg.msg_iovlen = 0;
+	msg.msg_control = credbuf;
+	msg.msg_controllen = sizeof(credbuf);
+
+	if (msg_recv(sock, &msg) == -1)
+		return (-1);
+
+	cmsg = CMSG_FIRSTHDR(&msg);
+	if (cmsg->cmsg_len != CMSG_LEN(sizeof(struct cmsgcred)) ||
+	    cmsg->cmsg_level != SOL_SOCKET ||
+	    cmsg->cmsg_type != SCM_CREDS) {
+		errno = EINVAL;
+		return (-1);
+	}
+	bcopy(CMSG_DATA(cmsg), cred, sizeof(*cred));
+
+	return (0);
+}

Added: soc2013/dpl/head/lib/libnv/msgio.h
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ soc2013/dpl/head/lib/libnv/msgio.h	Wed Sep  4 19:07:06 2013	(r256909)
@@ -0,0 +1,53 @@
+/*-
+ * Copyright (c) 2013 The FreeBSD Foundation
+ * All rights reserved.
+ *
+ * This software was developed by Pawel Jakub Dawidek 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 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.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef	_MSGIO_H_
+#define	_MSGIO_H_
+
+struct cmsgcred;
+struct iovec;
+struct msghdr;
+
+int msghdr_allocate(size_t datasize, size_t nfds, struct msghdr *msg,
+    struct iovec *iov);
+
+int msghdr_fds_from_array(const int *fds, size_t nfds, struct msghdr *msg);
+int *msghdr_fds_to_array(struct msghdr *msg, size_t nfds);
+void msghdr_fds_free(struct msghdr *msg);
+
+int msg_peek(int sock, void *buf, size_t size);
+int msg_recv(int sock, struct msghdr *msg);
+int msg_send(int sock, const struct msghdr *msg);
+
+int cred_send(int sock);
+int cred_recv(int sock, struct cmsgcred *cred);
+
+#endif	/* !_MSGIO_H_ */

Added: soc2013/dpl/head/lib/libnv/nv.h
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ soc2013/dpl/head/lib/libnv/nv.h	Wed Sep  4 19:07:06 2013	(r256909)
@@ -0,0 +1,347 @@
+/*-
+ * Copyright (c) 2009-2013 The FreeBSD Foundation
+ * All rights reserved.
+ *
+ * This software was developed by Pawel Jakub Dawidek 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 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.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef	_NV_H_
+#define	_NV_H_
+
+#include <sys/cdefs.h>
+
+#include <stdarg.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdio.h>
+
+#ifndef	_NVPAIR_T_DECLARED
+#define	_NVPAIR_T_DECLARED
+struct nvpair;
+
+typedef struct nvpair nvpair_t;
+#endif
+
+#ifndef	_NVLIST_T_DECLARED
+#define	_NVLIST_T_DECLARED
+struct nvlist;
+
+typedef struct nvlist nvlist_t;
+#endif
+
+#define	NVPAIR_NAME_MAX	256
+
+#define	NV_TYPE_NONE			0
+
+#define	NV_TYPE_NULL			1
+#define	NV_TYPE_BOOL			2
+#define	NV_TYPE_NUMBER			3
+#define	NV_TYPE_STRING			4
+#define	NV_TYPE_NVLIST			5
+#define	NV_TYPE_DESCRIPTOR		6
+#define	NV_TYPE_BINARY			7
+
+/* Duplicated names are not allowed. */
+#define	NV_FLAG_UNIQUE_NAME		0x01
+/* Duplicated names of the same type are not allowed. */
+#define	NV_FLAG_UNIQUE_NAME_TYPE	0x02
+/*
+ * Perform case-insensitive lookups of provided names.
+ */
+#define	NV_FLAG_IGNORE_CASE		0x08
+
+nvlist_t *nvlist_create(int flags);
+void nvlist_destroy(nvlist_t *nvl);
+int nvlist_error(const nvlist_t *nvl);
+bool nvlist_empty(const nvlist_t *nvl);
+
+bool nvlist_exists_type(const nvlist_t *nvl, const char *name, int type);
+bool nvlist_existsf_type(const nvlist_t *nvl, int type, const char *namefmt, ...) __printflike(3, 4);
+bool nvlist_existsv_type(const nvlist_t *nvl, int type, const char *namefmt, va_list nameap) __printflike(3, 0);
+
+int nvlist_free_type(nvlist_t *nvl, const char *name, int type);
+int nvlist_freef_type(nvlist_t *nvl, int type, const char *namefmt, ...) __printflike(3, 4);
+int nvlist_freev_type(nvlist_t *nvl, int type, const char *namefmt, va_list nameap) __printflike(3, 0);
+
+nvlist_t *nvlist_clone(const nvlist_t *nvl);
+
+void nvlist_dump(const nvlist_t *nvl, int fd);
+void nvlist_fdump(const nvlist_t *nvl, FILE *out);
+
+size_t nvlist_size(const nvlist_t *nvl);
+int *nvlist_descriptors(const nvlist_t *nvl, size_t *nitemsp);
+size_t nvlist_ndescriptors(const nvlist_t *nvl);
+void *nvlist_pack(const nvlist_t *nvl, size_t *sizep);
+nvlist_t *nvlist_unpack(const void *buf, size_t size);
+
+int nvlist_send(int sock, const nvlist_t *nvl);
+nvlist_t *nvlist_recv(int sock);
+nvlist_t *nvlist_xfer(int sock, nvlist_t *nvl);
+
+nvpair_t *nvlist_first_nvpair(const nvlist_t *nvl);
+nvpair_t *nvlist_next_nvpair(const nvlist_t *nvl, const nvpair_t *nvp);
+nvpair_t *nvlist_prev_nvpair(const nvlist_t *nvl, const nvpair_t *nvp);
+
+/*
+ * The nvlist_exists functions check if the given name (optionally of the given
+ * type) exists on nvlist.
+ */
+
+bool nvlist_exists(const nvlist_t *nvl, const char *name);
+bool nvlist_exists_null(const nvlist_t *nvl, const char *name);
+bool nvlist_exists_bool(const nvlist_t *nvl, const char *name);
+bool nvlist_exists_number(const nvlist_t *nvl, const char *name);
+bool nvlist_exists_string(const nvlist_t *nvl, const char *name);
+bool nvlist_exists_nvlist(const nvlist_t *nvl, const char *name);
+bool nvlist_exists_descriptor(const nvlist_t *nvl, const char *name);
+bool nvlist_exists_binary(const nvlist_t *nvl, const char *name);
+
+bool nvlist_existsf(const nvlist_t *nvl, const char *namefmt, ...) __printflike(2, 3);
+bool nvlist_existsf_null(const nvlist_t *nvl, const char *namefmt, ...) __printflike(2, 3);
+bool nvlist_existsf_bool(const nvlist_t *nvl, const char *namefmt, ...) __printflike(2, 3);
+bool nvlist_existsf_number(const nvlist_t *nvl, const char *namefmt, ...) __printflike(2, 3);
+bool nvlist_existsf_string(const nvlist_t *nvl, const char *namefmt, ...) __printflike(2, 3);
+bool nvlist_existsf_nvlist(const nvlist_t *nvl, const char *namefmt, ...) __printflike(2, 3);
+bool nvlist_existsf_descriptor(const nvlist_t *nvl, const char *namefmt, ...) __printflike(2, 3);
+bool nvlist_existsf_binary(const nvlist_t *nvl, const char *namefmt, ...) __printflike(2, 3);
+
+bool nvlist_existsv(const nvlist_t *nvl, const char *namefmt, va_list nameap) __printflike(2, 0);
+bool nvlist_existsv_null(const nvlist_t *nvl, const char *namefmt, va_list nameap) __printflike(2, 0);
+bool nvlist_existsv_bool(const nvlist_t *nvl, const char *namefmt, va_list nameap) __printflike(2, 0);
+bool nvlist_existsv_number(const nvlist_t *nvl, const char *namefmt, va_list nameap) __printflike(2, 0);
+bool nvlist_existsv_string(const nvlist_t *nvl, const char *namefmt, va_list nameap) __printflike(2, 0);
+bool nvlist_existsv_nvlist(const nvlist_t *nvl, const char *namefmt, va_list nameap) __printflike(2, 0);
+bool nvlist_existsv_descriptor(const nvlist_t *nvl, const char *namefmt, va_list nameap) __printflike(2, 0);
+bool nvlist_existsv_binary(const nvlist_t *nvl, const char *namefmt, va_list nameap) __printflike(2, 0);
+
+/*
+ * The nvlist_add functions add the given name/value pair.
+ * If a pointer is provided, nvlist_add will internally allocate memory for the
+ * given data (in other words it won't consume provided buffer).
+ */
+
+void nvlist_add_nvpair(nvlist_t *nvl, const nvpair_t *nvp);
+void nvlist_add_null(nvlist_t *nvl, const char *name);
+void nvlist_add_bool(nvlist_t *nvl, const char *name, bool value);
+void nvlist_add_number(nvlist_t *nvl, const char *name, uint64_t value);
+void nvlist_add_string(nvlist_t *nvl, const char *name, const char *value);
+void nvlist_add_stringf(nvlist_t *nvl, const char *name, const char *valuefmt, ...) __printflike(3, 4);
+void nvlist_add_stringv(nvlist_t *nvl, const char *name, const char *valuefmt, va_list valueap) __printflike(3, 0);
+void nvlist_add_nvlist(nvlist_t *nvl, const char *name, const nvlist_t *value);
+void nvlist_add_descriptor(nvlist_t *nvl, const char *name, int value);
+void nvlist_add_binary(nvlist_t *nvl, const char *name, const void *value, size_t size);
+
+void nvlist_addf_null(nvlist_t *nvl, const char *namefmt, ...) __printflike(2, 3);
+void nvlist_addf_bool(nvlist_t *nvl, bool value, const char *namefmt, ...) __printflike(3, 4);
+void nvlist_addf_number(nvlist_t *nvl, uint64_t value, const char *namefmt, ...) __printflike(3, 4);
+void nvlist_addf_string(nvlist_t *nvl, const char *value, const char *namefmt, ...) __printflike(3, 4);
+void nvlist_addf_nvlist(nvlist_t *nvl, const nvlist_t *value, const char *namefmt, ...) __printflike(3, 4);
+void nvlist_addf_descriptor(nvlist_t *nvl, int value, const char *namefmt, ...) __printflike(3, 4);
+void nvlist_addf_binary(nvlist_t *nvl, const void *value, size_t size, const char *namefmt, ...) __printflike(4, 5);
+
+void nvlist_addv_null(nvlist_t *nvl, const char *namefmt, va_list nameap) __printflike(2, 0);
+void nvlist_addv_bool(nvlist_t *nvl, bool value, const char *namefmt, va_list nameap) __printflike(3, 0);
+void nvlist_addv_number(nvlist_t *nvl, uint64_t value, const char *namefmt, va_list nameap) __printflike(3, 0);
+void nvlist_addv_string(nvlist_t *nvl, const char *value, const char *namefmt, va_list nameap) __printflike(3, 0);
+void nvlist_addv_nvlist(nvlist_t *nvl, const nvlist_t *value, const char *namefmt, va_list nameap) __printflike(3, 0);
+void nvlist_addv_descriptor(nvlist_t *nvl, int value, const char *namefmt, va_list nameap) __printflike(3, 0);
+void nvlist_addv_binary(nvlist_t *nvl, const void *value, size_t size, const char *namefmt, va_list nameap) __printflike(4, 0);
+
+/*
+ * The nvlist_move functions add the given name/value pair.
+ * The functions consumes provided buffer.
+ */
+
+void nvlist_move_nvpair(nvlist_t *nvl, nvpair_t *nvp);
+void nvlist_move_string(nvlist_t *nvl, const char *name, char *value);
+void nvlist_move_nvlist(nvlist_t *nvl, const char *name, nvlist_t *value);
+void nvlist_move_descriptor(nvlist_t *nvl, const char *name, int value);
+void nvlist_move_binary(nvlist_t *nvl, const char *name, void *value, size_t size);
+
+void nvlist_movef_string(nvlist_t *nvl, char *value, const char *namefmt, ...) __printflike(3, 4);
+void nvlist_movef_nvlist(nvlist_t *nvl, nvlist_t *value, const char *namefmt, ...) __printflike(3, 4);
+void nvlist_movef_descriptor(nvlist_t *nvl, int value, const char *namefmt, ...) __printflike(3, 4);
+void nvlist_movef_binary(nvlist_t *nvl, void *value, size_t size, const char *namefmt, ...) __printflike(4, 5);
+
+void nvlist_movev_string(nvlist_t *nvl, char *value, const char *namefmt, va_list nameap) __printflike(3, 0);
+void nvlist_movev_nvlist(nvlist_t *nvl, nvlist_t *value, const char *namefmt, va_list nameap) __printflike(3, 0);
+void nvlist_movev_descriptor(nvlist_t *nvl, int value, const char *namefmt, va_list nameap) __printflike(3, 0);
+void nvlist_movev_binary(nvlist_t *nvl, void *value, size_t size, const char *namefmt, va_list nameap) __printflike(4, 0);
+
+/*
+ * The nvlist_get functions returns value associated with the given name.
+ * If it returns a pointer, the pointer represents internal buffer and should
+ * not be freed by the caller.
+ */
+
+const nvpair_t *nvlist_get_nvpair(const nvlist_t *nvl, const char *name);
+bool nvlist_get_bool(const nvlist_t *nvl, const char *name);
+uint64_t nvlist_get_number(const nvlist_t *nvl, const char *name);
+const char *nvlist_get_string(const nvlist_t *nvl, const char *name);
+const nvlist_t *nvlist_get_nvlist(const nvlist_t *nvl, const char *name);
+int nvlist_get_descriptor(const nvlist_t *nvl, const char *name);
+const void *nvlist_get_binary(const nvlist_t *nvl, const char *name, size_t *sizep);
+
+const nvpair_t *nvlist_getf_nvpair(const nvlist_t *nvl, const char *namefmt, ...) __printflike(2, 3);
+bool nvlist_getf_bool(const nvlist_t *nvl, const char *namefmt, ...) __printflike(2, 3);
+uint64_t nvlist_getf_number(const nvlist_t *nvl, const char *namefmt, ...) __printflike(2, 3);
+const char *nvlist_getf_string(const nvlist_t *nvl, const char *namefmt, ...) __printflike(2, 3);
+const nvlist_t *nvlist_getf_nvlist(const nvlist_t *nvl, const char *namefmt, ...) __printflike(2, 3);
+int nvlist_getf_descriptor(const nvlist_t *nvl, const char *namefmt, ...) __printflike(2, 3);
+const void *nvlist_getf_binary(const nvlist_t *nvl, size_t *sizep, const char *namefmt, ...) __printflike(3, 4);
+
+const nvpair_t *nvlist_getv_nvpair(const nvlist_t *nvl, const char *namefmt, va_list nameap) __printflike(2, 0);
+bool nvlist_getv_bool(const nvlist_t *nvl, const char *namefmt, va_list nameap) __printflike(2, 0);
+uint64_t nvlist_getv_number(const nvlist_t *nvl, const char *namefmt, va_list nameap) __printflike(2, 0);
+const char *nvlist_getv_string(const nvlist_t *nvl, const char *namefmt, va_list nameap) __printflike(2, 0);
+const nvlist_t *nvlist_getv_nvlist(const nvlist_t *nvl, const char *namefmt, va_list nameap) __printflike(2, 0);
+int nvlist_getv_descriptor(const nvlist_t *nvl, const char *namefmt, va_list nameap) __printflike(2, 0);
+const void *nvlist_getv_binary(const nvlist_t *nvl, size_t *sizep, const char *namefmt, va_list nameap) __printflike(3, 0);
+
+/*
+ * The nvlist_take functions returns value associated with the given name and
+ * remove the given entry from the nvlist.
+ * The caller is responsible for freeing received data.
+ */
+
+nvpair_t *nvlist_take_nvpair(nvlist_t *nvl, const char *name);
+bool nvlist_take_bool(nvlist_t *nvl, const char *name);
+uint64_t nvlist_take_number(nvlist_t *nvl, const char *name);
+char *nvlist_take_string(nvlist_t *nvl, const char *name);
+nvlist_t *nvlist_take_nvlist(nvlist_t *nvl, const char *name);
+int nvlist_take_descriptor(nvlist_t *nvl, const char *name);
+void *nvlist_take_binary(nvlist_t *nvl, const char *name, size_t *sizep);
+
+nvpair_t *nvlist_takef_nvpair(nvlist_t *nvl, const char *namefmt, ...) __printflike(2, 3);
+bool nvlist_takef_bool(nvlist_t *nvl, const char *namefmt, ...) __printflike(2, 3);
+uint64_t nvlist_takef_number(nvlist_t *nvl, const char *namefmt, ...) __printflike(2, 3);
+char *nvlist_takef_string(nvlist_t *nvl, const char *namefmt, ...) __printflike(2, 3);
+nvlist_t *nvlist_takef_nvlist(nvlist_t *nvl, const char *namefmt, ...) __printflike(2, 3);
+int nvlist_takef_descriptor(nvlist_t *nvl, const char *namefmt, ...) __printflike(2, 3);
+void *nvlist_takef_binary(nvlist_t *nvl, size_t *sizep, const char *namefmt, ...) __printflike(3, 4);
+
+nvpair_t *nvlist_takev_nvpair(nvlist_t *nvl, const char *namefmt, va_list nameap) __printflike(2, 0);
+bool nvlist_takev_bool(nvlist_t *nvl, const char *namefmt, va_list nameap) __printflike(2, 0);
+uint64_t nvlist_takev_number(nvlist_t *nvl, const char *namefmt, va_list nameap) __printflike(2, 0);
+char *nvlist_takev_string(nvlist_t *nvl, const char *namefmt, va_list nameap) __printflike(2, 0);
+nvlist_t *nvlist_takev_nvlist(nvlist_t *nvl, const char *namefmt, va_list nameap) __printflike(2, 0);
+int nvlist_takev_descriptor(nvlist_t *nvl, const char *namefmt, va_list nameap) __printflike(2, 0);
+void *nvlist_takev_binary(nvlist_t *nvl, size_t *sizep, const char *namefmt, va_list nameap) __printflike(3, 0);
+
+/* Function removes the given nvpair from the nvlist. */
+void nvlist_remove_nvpair(nvlist_t *nvl, nvpair_t *nvp);
+
+/*
+ * The nvlist_free functions removes the given name/value pair from the nvlist
+ * and frees memory associated with it.
+ */
+
+int nvlist_free(nvlist_t *nvl, const char *name);
+int nvlist_free_null(nvlist_t *nvl, const char *name);
+int nvlist_free_bool(nvlist_t *nvl, const char *name);
+int nvlist_free_number(nvlist_t *nvl, const char *name);
+int nvlist_free_string(nvlist_t *nvl, const char *name);
+int nvlist_free_nvlist(nvlist_t *nvl, const char *name);
+int nvlist_free_descriptor(nvlist_t *nvl, const char *name);
+int nvlist_free_binary(nvlist_t *nvl, const char *name);
+
+int nvlist_freef(nvlist_t *nvl, const char *namefmt, ...) __printflike(2, 3);
+int nvlist_freef_null(nvlist_t *nvl, const char *namefmt, ...) __printflike(2, 3);
+int nvlist_freef_bool(nvlist_t *nvl, const char *namefmt, ...) __printflike(2, 3);
+int nvlist_freef_number(nvlist_t *nvl, const char *namefmt, ...) __printflike(2, 3);
+int nvlist_freef_string(nvlist_t *nvl, const char *namefmt, ...) __printflike(2, 3);
+int nvlist_freef_nvlist(nvlist_t *nvl, const char *namefmt, ...) __printflike(2, 3);
+int nvlist_freef_descriptor(nvlist_t *nvl, const char *namefmt, ...) __printflike(2, 3);
+int nvlist_freef_binary(nvlist_t *nvl, const char *namefmt, ...) __printflike(2, 3);
+
+int nvlist_freev(nvlist_t *nvl, const char *namefmt, va_list nameap) __printflike(2, 0);
+int nvlist_freev_null(nvlist_t *nvl, const char *namefmt, va_list nameap) __printflike(2, 0);
+int nvlist_freev_bool(nvlist_t *nvl, const char *namefmt, va_list nameap) __printflike(2, 0);
+int nvlist_freev_number(nvlist_t *nvl, const char *namefmt, va_list nameap) __printflike(2, 0);
+int nvlist_freev_string(nvlist_t *nvl, const char *namefmt, va_list nameap) __printflike(2, 0);
+int nvlist_freev_nvlist(nvlist_t *nvl, const char *namefmt, va_list nameap) __printflike(2, 0);
+int nvlist_freev_descriptor(nvlist_t *nvl, const char *namefmt, va_list nameap) __printflike(2, 0);
+int nvlist_freev_binary(nvlist_t *nvl, const char *namefmt, va_list nameap) __printflike(2, 0);
+
+void nvlist_free_nvpair(nvlist_t *nvl, nvpair_t *nvp);
+
+int nvpair_type(const nvpair_t *nvp);
+const char *nvpair_name(const nvpair_t *nvp);
+
+nvpair_t *nvpair_clone(const nvpair_t *nvp);
+
+nvpair_t *nvpair_create_null(const char *name);
+nvpair_t *nvpair_create_bool(const char *name, bool value);
+nvpair_t *nvpair_create_number(const char *name, uint64_t value);
+nvpair_t *nvpair_create_string(const char *name, const char *value);
+nvpair_t *nvpair_create_stringf(const char *name, const char *valuefmt, ...) __printflike(2, 3);
+nvpair_t *nvpair_create_stringv(const char *name, const char *valuefmt, va_list valueap) __printflike(2, 0);
+nvpair_t *nvpair_create_nvlist(const char *name, const nvlist_t *value);
+nvpair_t *nvpair_create_descriptor(const char *name, int value);
+nvpair_t *nvpair_create_binary(const char *name, const void *value, size_t size);
+
+nvpair_t *nvpair_createf_null(const char *namefmt, ...) __printflike(1, 2);
+nvpair_t *nvpair_createf_bool(bool value, const char *namefmt, ...) __printflike(2, 3);
+nvpair_t *nvpair_createf_number(uint64_t value, const char *namefmt, ...) __printflike(2, 3);
+nvpair_t *nvpair_createf_string(const char *value, const char *namefmt, ...) __printflike(2, 3);
+nvpair_t *nvpair_createf_nvlist(const nvlist_t *value, const char *namefmt, ...) __printflike(2, 3);
+nvpair_t *nvpair_createf_descriptor(int value, const char *namefmt, ...) __printflike(2, 3);
+nvpair_t *nvpair_createf_binary(const void *value, size_t size, const char *namefmt, ...) __printflike(3, 4);

*** DIFF OUTPUT TRUNCATED AT 1000 LINES ***


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