unix: update openbsd/amd64 to OpenBSD 6.3

Change-Id: I0a16c77437e4ed68cc19eda41bb9b64ab4376fd0
Reviewed-on: https://go-review.googlesource.com/114075
Run-TryBot: Filippo Valsorda <filippo@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
diff --git a/unix/dev_openbsd_test.go b/unix/dev_openbsd_test.go
index e6cb64f..7c87d7a 100644
--- a/unix/dev_openbsd_test.go
+++ b/unix/dev_openbsd_test.go
@@ -20,15 +20,12 @@
 		minor uint32
 	}{
 		// well known major/minor numbers according to /dev/MAKEDEV on
-		// OpenBSD 6.0
+		// OpenBSD 6.3
 		{"/dev/null", 2, 2},
 		{"/dev/zero", 2, 12},
 		{"/dev/ttyp0", 5, 0},
 		{"/dev/ttyp1", 5, 1},
-		{"/dev/random", 45, 0},
-		{"/dev/srandom", 45, 1},
-		{"/dev/urandom", 45, 2},
-		{"/dev/arandom", 45, 3},
+		{"/dev/random", 45, 0}, // symlink to /dev/urandom
 	}
 	for _, tc := range testCases {
 		t.Run(fmt.Sprintf("%s %v:%v", tc.path, tc.major, tc.minor), func(t *testing.T) {
diff --git a/unix/openbsd_pledge.go b/unix/openbsd_pledge.go
index db4f72e..9b1e86a 100644
--- a/unix/openbsd_pledge.go
+++ b/unix/openbsd_pledge.go
@@ -13,7 +13,7 @@
 )
 
 const (
-	SYS_PLEDGE = 108
+	_SYS_PLEDGE = 108
 )
 
 // Pledge implements the pledge syscall. For more information see pledge(2).
@@ -30,7 +30,7 @@
 		}
 		pathsUnsafe = unsafe.Pointer(&pathsPtr[0])
 	}
-	_, _, e := syscall.Syscall(SYS_PLEDGE, uintptr(promisesUnsafe), uintptr(pathsUnsafe), 0)
+	_, _, e := syscall.Syscall(_SYS_PLEDGE, uintptr(promisesUnsafe), uintptr(pathsUnsafe), 0)
 	if e != 0 {
 		return e
 	}
diff --git a/unix/syscall_openbsd_amd64.go b/unix/syscall_openbsd_amd64.go
index 649e67f..9a35334 100644
--- a/unix/syscall_openbsd_amd64.go
+++ b/unix/syscall_openbsd_amd64.go
@@ -31,3 +31,7 @@
 func (cmsg *Cmsghdr) SetLen(length int) {
 	cmsg.Len = uint32(length)
 }
+
+// SYS___SYSCTL is used by syscall_bsd.go for all BSDs, but in modern versions
+// of openbsd/amd64 the syscall is called sysctl instead of __sysctl.
+const SYS___SYSCTL = SYS_SYSCTL
diff --git a/unix/zerrors_openbsd_amd64.go b/unix/zerrors_openbsd_amd64.go
index 0d50f6b..acfc664 100644
--- a/unix/zerrors_openbsd_amd64.go
+++ b/unix/zerrors_openbsd_amd64.go
@@ -45,6 +45,7 @@
 	AF_SNA                            = 0xb
 	AF_UNIX                           = 0x1
 	AF_UNSPEC                         = 0x0
+	ALTWERASE                         = 0x200
 	ARPHRD_ETHER                      = 0x1
 	ARPHRD_FRELAY                     = 0xf
 	ARPHRD_IEEE1394                   = 0x18
@@ -146,6 +147,12 @@
 	BRKINT                            = 0x2
 	CFLUSH                            = 0xf
 	CLOCAL                            = 0x8000
+	CLOCK_BOOTTIME                    = 0x6
+	CLOCK_MONOTONIC                   = 0x3
+	CLOCK_PROCESS_CPUTIME_ID          = 0x2
+	CLOCK_REALTIME                    = 0x0
+	CLOCK_THREAD_CPUTIME_ID           = 0x4
+	CLOCK_UPTIME                      = 0x5
 	CREAD                             = 0x800
 	CRTSCTS                           = 0x10000
 	CS5                               = 0x0
@@ -178,6 +185,7 @@
 	DLT_LOOP                          = 0xc
 	DLT_MPLS                          = 0xdb
 	DLT_NULL                          = 0x0
+	DLT_OPENFLOW                      = 0x10b
 	DLT_PFLOG                         = 0x75
 	DLT_PFSYNC                        = 0x12
 	DLT_PPP                           = 0x9
@@ -188,6 +196,23 @@
 	DLT_RAW                           = 0xe
 	DLT_SLIP                          = 0x8
 	DLT_SLIP_BSDOS                    = 0xf
+	DLT_USBPCAP                       = 0xf9
+	DLT_USER0                         = 0x93
+	DLT_USER1                         = 0x94
+	DLT_USER10                        = 0x9d
+	DLT_USER11                        = 0x9e
+	DLT_USER12                        = 0x9f
+	DLT_USER13                        = 0xa0
+	DLT_USER14                        = 0xa1
+	DLT_USER15                        = 0xa2
+	DLT_USER2                         = 0x95
+	DLT_USER3                         = 0x96
+	DLT_USER4                         = 0x97
+	DLT_USER5                         = 0x98
+	DLT_USER6                         = 0x99
+	DLT_USER7                         = 0x9a
+	DLT_USER8                         = 0x9b
+	DLT_USER9                         = 0x9c
 	DT_BLK                            = 0x6
 	DT_CHR                            = 0x2
 	DT_DIR                            = 0x4
@@ -401,27 +426,38 @@
 	ETHER_CRC_POLY_LE                 = 0xedb88320
 	ETHER_HDR_LEN                     = 0xe
 	ETHER_MAX_DIX_LEN                 = 0x600
+	ETHER_MAX_HARDMTU_LEN             = 0xff9b
 	ETHER_MAX_LEN                     = 0x5ee
 	ETHER_MIN_LEN                     = 0x40
 	ETHER_TYPE_LEN                    = 0x2
 	ETHER_VLAN_ENCAP_LEN              = 0x4
 	EVFILT_AIO                        = -0x3
+	EVFILT_DEVICE                     = -0x8
 	EVFILT_PROC                       = -0x5
 	EVFILT_READ                       = -0x1
 	EVFILT_SIGNAL                     = -0x6
-	EVFILT_SYSCOUNT                   = 0x7
+	EVFILT_SYSCOUNT                   = 0x8
 	EVFILT_TIMER                      = -0x7
 	EVFILT_VNODE                      = -0x4
 	EVFILT_WRITE                      = -0x2
+	EVL_ENCAPLEN                      = 0x4
+	EVL_PRIO_BITS                     = 0xd
+	EVL_PRIO_MAX                      = 0x7
+	EVL_VLID_MASK                     = 0xfff
+	EVL_VLID_MAX                      = 0xffe
+	EVL_VLID_MIN                      = 0x1
+	EVL_VLID_NULL                     = 0x0
 	EV_ADD                            = 0x1
 	EV_CLEAR                          = 0x20
 	EV_DELETE                         = 0x2
 	EV_DISABLE                        = 0x8
+	EV_DISPATCH                       = 0x80
 	EV_ENABLE                         = 0x4
 	EV_EOF                            = 0x8000
 	EV_ERROR                          = 0x4000
 	EV_FLAG1                          = 0x2000
 	EV_ONESHOT                        = 0x10
+	EV_RECEIPT                        = 0x40
 	EV_SYSFLAGS                       = 0xf000
 	EXTA                              = 0x4b00
 	EXTB                              = 0x9600
@@ -435,7 +471,7 @@
 	F_GETFL                           = 0x3
 	F_GETLK                           = 0x7
 	F_GETOWN                          = 0x5
-	F_OK                              = 0x0
+	F_ISATTY                          = 0xb
 	F_RDLCK                           = 0x1
 	F_SETFD                           = 0x2
 	F_SETFL                           = 0x4
@@ -452,7 +488,6 @@
 	IEXTEN                            = 0x400
 	IFAN_ARRIVAL                      = 0x0
 	IFAN_DEPARTURE                    = 0x1
-	IFA_ROUTE                         = 0x1
 	IFF_ALLMULTI                      = 0x200
 	IFF_BROADCAST                     = 0x2
 	IFF_CANTCHANGE                    = 0x8e52
@@ -463,12 +498,12 @@
 	IFF_LOOPBACK                      = 0x8
 	IFF_MULTICAST                     = 0x8000
 	IFF_NOARP                         = 0x80
-	IFF_NOTRAILERS                    = 0x20
 	IFF_OACTIVE                       = 0x400
 	IFF_POINTOPOINT                   = 0x10
 	IFF_PROMISC                       = 0x100
 	IFF_RUNNING                       = 0x40
 	IFF_SIMPLEX                       = 0x800
+	IFF_STATICARP                     = 0x20
 	IFF_UP                            = 0x1
 	IFNAMSIZ                          = 0x10
 	IFT_1822                          = 0x2
@@ -597,6 +632,7 @@
 	IFT_LINEGROUP                     = 0xd2
 	IFT_LOCALTALK                     = 0x2a
 	IFT_LOOP                          = 0x18
+	IFT_MBIM                          = 0xfa
 	IFT_MEDIAMAILOVERIP               = 0x8b
 	IFT_MFSIGLINK                     = 0xa7
 	IFT_MIOX25                        = 0x26
@@ -721,8 +757,6 @@
 	IPPROTO_AH                        = 0x33
 	IPPROTO_CARP                      = 0x70
 	IPPROTO_DIVERT                    = 0x102
-	IPPROTO_DIVERT_INIT               = 0x2
-	IPPROTO_DIVERT_RESP               = 0x1
 	IPPROTO_DONE                      = 0x101
 	IPPROTO_DSTOPTS                   = 0x3c
 	IPPROTO_EGP                       = 0x8
@@ -779,6 +813,7 @@
 	IPV6_LEAVE_GROUP                  = 0xd
 	IPV6_MAXHLIM                      = 0xff
 	IPV6_MAXPACKET                    = 0xffff
+	IPV6_MINHOPCOUNT                  = 0x41
 	IPV6_MMTU                         = 0x500
 	IPV6_MULTICAST_HOPS               = 0xa
 	IPV6_MULTICAST_IF                 = 0x9
@@ -818,12 +853,12 @@
 	IP_DEFAULT_MULTICAST_LOOP         = 0x1
 	IP_DEFAULT_MULTICAST_TTL          = 0x1
 	IP_DF                             = 0x4000
-	IP_DIVERTFL                       = 0x1022
 	IP_DROP_MEMBERSHIP                = 0xd
 	IP_ESP_NETWORK_LEVEL              = 0x16
 	IP_ESP_TRANS_LEVEL                = 0x15
 	IP_HDRINCL                        = 0x2
 	IP_IPCOMP_LEVEL                   = 0x1d
+	IP_IPDEFTTL                       = 0x25
 	IP_IPSECFLOWINFO                  = 0x24
 	IP_IPSEC_LOCAL_AUTH               = 0x1b
 	IP_IPSEC_LOCAL_CRED               = 0x19
@@ -857,10 +892,12 @@
 	IP_RETOPTS                        = 0x8
 	IP_RF                             = 0x8000
 	IP_RTABLE                         = 0x1021
+	IP_SENDSRCADDR                    = 0x7
 	IP_TOS                            = 0x3
 	IP_TTL                            = 0x4
 	ISIG                              = 0x80
 	ISTRIP                            = 0x20
+	IUCLC                             = 0x1000
 	IXANY                             = 0x800
 	IXOFF                             = 0x400
 	IXON                              = 0x200
@@ -881,25 +918,28 @@
 	MADV_SPACEAVAIL                   = 0x5
 	MADV_WILLNEED                     = 0x3
 	MAP_ANON                          = 0x1000
-	MAP_COPY                          = 0x4
+	MAP_ANONYMOUS                     = 0x1000
+	MAP_COPY                          = 0x2
 	MAP_FILE                          = 0x0
 	MAP_FIXED                         = 0x10
-	MAP_FLAGMASK                      = 0x1ff7
-	MAP_HASSEMAPHORE                  = 0x200
-	MAP_INHERIT                       = 0x80
+	MAP_FLAGMASK                      = 0x7ff7
+	MAP_HASSEMAPHORE                  = 0x0
+	MAP_INHERIT                       = 0x0
 	MAP_INHERIT_COPY                  = 0x1
-	MAP_INHERIT_DONATE_COPY           = 0x3
 	MAP_INHERIT_NONE                  = 0x2
 	MAP_INHERIT_SHARE                 = 0x0
-	MAP_NOEXTEND                      = 0x100
-	MAP_NORESERVE                     = 0x40
+	MAP_INHERIT_ZERO                  = 0x3
+	MAP_NOEXTEND                      = 0x0
+	MAP_NORESERVE                     = 0x0
 	MAP_PRIVATE                       = 0x2
-	MAP_RENAME                        = 0x20
+	MAP_RENAME                        = 0x0
 	MAP_SHARED                        = 0x1
-	MAP_TRYFIXED                      = 0x400
+	MAP_STACK                         = 0x4000
+	MAP_TRYFIXED                      = 0x0
 	MCL_CURRENT                       = 0x1
 	MCL_FUTURE                        = 0x2
 	MSG_BCAST                         = 0x100
+	MSG_CMSG_CLOEXEC                  = 0x800
 	MSG_CTRUNC                        = 0x20
 	MSG_DONTROUTE                     = 0x4
 	MSG_DONTWAIT                      = 0x80
@@ -917,11 +957,14 @@
 	NET_RT_DUMP                       = 0x1
 	NET_RT_FLAGS                      = 0x2
 	NET_RT_IFLIST                     = 0x3
-	NET_RT_MAXID                      = 0x6
+	NET_RT_IFNAMES                    = 0x6
+	NET_RT_MAXID                      = 0x7
 	NET_RT_STATS                      = 0x4
 	NET_RT_TABLE                      = 0x5
 	NOFLSH                            = 0x80000000
+	NOKERNINFO                        = 0x2000000
 	NOTE_ATTRIB                       = 0x8
+	NOTE_CHANGE                       = 0x1
 	NOTE_CHILD                        = 0x4
 	NOTE_DELETE                       = 0x1
 	NOTE_EOF                          = 0x2
@@ -940,11 +983,13 @@
 	NOTE_TRUNCATE                     = 0x80
 	NOTE_WRITE                        = 0x2
 	OCRNL                             = 0x10
+	OLCUC                             = 0x20
 	ONLCR                             = 0x2
 	ONLRET                            = 0x80
 	ONOCR                             = 0x40
 	ONOEOT                            = 0x8
 	OPOST                             = 0x1
+	OXTABS                            = 0x4
 	O_ACCMODE                         = 0x3
 	O_APPEND                          = 0x8
 	O_ASYNC                           = 0x40
@@ -982,23 +1027,32 @@
 	RLIMIT_CPU                        = 0x0
 	RLIMIT_DATA                       = 0x2
 	RLIMIT_FSIZE                      = 0x1
+	RLIMIT_MEMLOCK                    = 0x6
 	RLIMIT_NOFILE                     = 0x8
+	RLIMIT_NPROC                      = 0x7
+	RLIMIT_RSS                        = 0x5
 	RLIMIT_STACK                      = 0x3
 	RLIM_INFINITY                     = 0x7fffffffffffffff
 	RTAX_AUTHOR                       = 0x6
+	RTAX_BFD                          = 0xb
 	RTAX_BRD                          = 0x7
+	RTAX_DNS                          = 0xc
 	RTAX_DST                          = 0x0
 	RTAX_GATEWAY                      = 0x1
 	RTAX_GENMASK                      = 0x3
 	RTAX_IFA                          = 0x5
 	RTAX_IFP                          = 0x4
 	RTAX_LABEL                        = 0xa
-	RTAX_MAX                          = 0xb
+	RTAX_MAX                          = 0xf
 	RTAX_NETMASK                      = 0x2
+	RTAX_SEARCH                       = 0xe
 	RTAX_SRC                          = 0x8
 	RTAX_SRCMASK                      = 0x9
+	RTAX_STATIC                       = 0xd
 	RTA_AUTHOR                        = 0x40
+	RTA_BFD                           = 0x800
 	RTA_BRD                           = 0x80
+	RTA_DNS                           = 0x1000
 	RTA_DST                           = 0x1
 	RTA_GATEWAY                       = 0x2
 	RTA_GENMASK                       = 0x8
@@ -1006,34 +1060,39 @@
 	RTA_IFP                           = 0x10
 	RTA_LABEL                         = 0x400
 	RTA_NETMASK                       = 0x4
+	RTA_SEARCH                        = 0x4000
 	RTA_SRC                           = 0x100
 	RTA_SRCMASK                       = 0x200
+	RTA_STATIC                        = 0x2000
 	RTF_ANNOUNCE                      = 0x4000
+	RTF_BFD                           = 0x1000000
 	RTF_BLACKHOLE                     = 0x1000
+	RTF_BROADCAST                     = 0x400000
+	RTF_CACHED                        = 0x20000
 	RTF_CLONED                        = 0x10000
 	RTF_CLONING                       = 0x100
+	RTF_CONNECTED                     = 0x800000
 	RTF_DONE                          = 0x40
 	RTF_DYNAMIC                       = 0x10
-	RTF_FMASK                         = 0x10f808
+	RTF_FMASK                         = 0x110fc08
 	RTF_GATEWAY                       = 0x2
 	RTF_HOST                          = 0x4
 	RTF_LLINFO                        = 0x400
-	RTF_MASK                          = 0x80
+	RTF_LOCAL                         = 0x200000
 	RTF_MODIFIED                      = 0x20
 	RTF_MPATH                         = 0x40000
 	RTF_MPLS                          = 0x100000
+	RTF_MULTICAST                     = 0x200
 	RTF_PERMANENT_ARP                 = 0x2000
 	RTF_PROTO1                        = 0x8000
 	RTF_PROTO2                        = 0x4000
 	RTF_PROTO3                        = 0x2000
 	RTF_REJECT                        = 0x8
-	RTF_SOURCE                        = 0x20000
 	RTF_STATIC                        = 0x800
-	RTF_TUNNEL                        = 0x100000
 	RTF_UP                            = 0x1
 	RTF_USETRAILERS                   = 0x8000
-	RTF_XRESOLVE                      = 0x200
 	RTM_ADD                           = 0x1
+	RTM_BFD                           = 0x12
 	RTM_CHANGE                        = 0x3
 	RTM_DELADDR                       = 0xd
 	RTM_DELETE                        = 0x2
@@ -1041,11 +1100,13 @@
 	RTM_GET                           = 0x4
 	RTM_IFANNOUNCE                    = 0xf
 	RTM_IFINFO                        = 0xe
+	RTM_INVALIDATE                    = 0x11
 	RTM_LOCK                          = 0x8
 	RTM_LOSING                        = 0x5
 	RTM_MAXSIZE                       = 0x800
 	RTM_MISS                          = 0x7
 	RTM_NEWADDR                       = 0xc
+	RTM_PROPOSAL                      = 0x13
 	RTM_REDIRECT                      = 0x6
 	RTM_RESOLVE                       = 0xb
 	RTM_RTTUNIT                       = 0xf4240
@@ -1058,6 +1119,8 @@
 	RTV_RTTVAR                        = 0x80
 	RTV_SPIPE                         = 0x10
 	RTV_SSTHRESH                      = 0x20
+	RT_TABLEID_BITS                   = 0x8
+	RT_TABLEID_MASK                   = 0xff
 	RT_TABLEID_MAX                    = 0xff
 	RUSAGE_CHILDREN                   = -0x1
 	RUSAGE_SELF                       = 0x0
@@ -1070,55 +1133,55 @@
 	SIOCADDMULTI                      = 0x80206931
 	SIOCAIFADDR                       = 0x8040691a
 	SIOCAIFGROUP                      = 0x80286987
-	SIOCALIFADDR                      = 0x8218691c
 	SIOCATMARK                        = 0x40047307
-	SIOCBRDGADD                       = 0x8058693c
-	SIOCBRDGADDS                      = 0x80586941
-	SIOCBRDGARL                       = 0x806e694d
+	SIOCBRDGADD                       = 0x8060693c
+	SIOCBRDGADDL                      = 0x80606949
+	SIOCBRDGADDS                      = 0x80606941
+	SIOCBRDGARL                       = 0x808c694d
 	SIOCBRDGDADDR                     = 0x81286947
-	SIOCBRDGDEL                       = 0x8058693d
-	SIOCBRDGDELS                      = 0x80586942
-	SIOCBRDGFLUSH                     = 0x80586948
-	SIOCBRDGFRL                       = 0x806e694e
-	SIOCBRDGGCACHE                    = 0xc0146941
-	SIOCBRDGGFD                       = 0xc0146952
-	SIOCBRDGGHT                       = 0xc0146951
-	SIOCBRDGGIFFLGS                   = 0xc058693e
-	SIOCBRDGGMA                       = 0xc0146953
+	SIOCBRDGDEL                       = 0x8060693d
+	SIOCBRDGDELS                      = 0x80606942
+	SIOCBRDGFLUSH                     = 0x80606948
+	SIOCBRDGFRL                       = 0x808c694e
+	SIOCBRDGGCACHE                    = 0xc0186941
+	SIOCBRDGGFD                       = 0xc0186952
+	SIOCBRDGGHT                       = 0xc0186951
+	SIOCBRDGGIFFLGS                   = 0xc060693e
+	SIOCBRDGGMA                       = 0xc0186953
 	SIOCBRDGGPARAM                    = 0xc0406958
-	SIOCBRDGGPRI                      = 0xc0146950
+	SIOCBRDGGPRI                      = 0xc0186950
 	SIOCBRDGGRL                       = 0xc030694f
-	SIOCBRDGGSIFS                     = 0xc058693c
-	SIOCBRDGGTO                       = 0xc0146946
-	SIOCBRDGIFS                       = 0xc0586942
+	SIOCBRDGGTO                       = 0xc0186946
+	SIOCBRDGIFS                       = 0xc0606942
 	SIOCBRDGRTS                       = 0xc0206943
 	SIOCBRDGSADDR                     = 0xc1286944
-	SIOCBRDGSCACHE                    = 0x80146940
-	SIOCBRDGSFD                       = 0x80146952
-	SIOCBRDGSHT                       = 0x80146951
-	SIOCBRDGSIFCOST                   = 0x80586955
-	SIOCBRDGSIFFLGS                   = 0x8058693f
-	SIOCBRDGSIFPRIO                   = 0x80586954
-	SIOCBRDGSMA                       = 0x80146953
-	SIOCBRDGSPRI                      = 0x80146950
-	SIOCBRDGSPROTO                    = 0x8014695a
-	SIOCBRDGSTO                       = 0x80146945
-	SIOCBRDGSTXHC                     = 0x80146959
+	SIOCBRDGSCACHE                    = 0x80186940
+	SIOCBRDGSFD                       = 0x80186952
+	SIOCBRDGSHT                       = 0x80186951
+	SIOCBRDGSIFCOST                   = 0x80606955
+	SIOCBRDGSIFFLGS                   = 0x8060693f
+	SIOCBRDGSIFPRIO                   = 0x80606954
+	SIOCBRDGSIFPROT                   = 0x8060694a
+	SIOCBRDGSMA                       = 0x80186953
+	SIOCBRDGSPRI                      = 0x80186950
+	SIOCBRDGSPROTO                    = 0x8018695a
+	SIOCBRDGSTO                       = 0x80186945
+	SIOCBRDGSTXHC                     = 0x80186959
 	SIOCDELMULTI                      = 0x80206932
 	SIOCDIFADDR                       = 0x80206919
 	SIOCDIFGROUP                      = 0x80286989
+	SIOCDIFPARENT                     = 0x802069b4
 	SIOCDIFPHYADDR                    = 0x80206949
-	SIOCDLIFADDR                      = 0x8218691e
+	SIOCDVNETID                       = 0x802069af
 	SIOCGETKALIVE                     = 0xc01869a4
 	SIOCGETLABEL                      = 0x8020699a
+	SIOCGETMPWCFG                     = 0xc02069ae
 	SIOCGETPFLOW                      = 0xc02069fe
 	SIOCGETPFSYNC                     = 0xc02069f8
 	SIOCGETSGCNT                      = 0xc0207534
 	SIOCGETVIFCNT                     = 0xc0287533
 	SIOCGETVLAN                       = 0xc0206990
-	SIOCGHIWAT                        = 0x40047301
 	SIOCGIFADDR                       = 0xc0206921
-	SIOCGIFASYNCMAP                   = 0xc020697c
 	SIOCGIFBRDADDR                    = 0xc0206923
 	SIOCGIFCONF                       = 0xc0106924
 	SIOCGIFDATA                       = 0xc020691b
@@ -1130,37 +1193,41 @@
 	SIOCGIFGMEMB                      = 0xc028698a
 	SIOCGIFGROUP                      = 0xc0286988
 	SIOCGIFHARDMTU                    = 0xc02069a5
-	SIOCGIFMEDIA                      = 0xc0306936
+	SIOCGIFLLPRIO                     = 0xc02069b6
+	SIOCGIFMEDIA                      = 0xc0406938
 	SIOCGIFMETRIC                     = 0xc0206917
 	SIOCGIFMTU                        = 0xc020697e
 	SIOCGIFNETMASK                    = 0xc0206925
-	SIOCGIFPDSTADDR                   = 0xc0206948
+	SIOCGIFPAIR                       = 0xc02069b1
+	SIOCGIFPARENT                     = 0xc02069b3
 	SIOCGIFPRIORITY                   = 0xc020699c
-	SIOCGIFPSRCADDR                   = 0xc0206947
 	SIOCGIFRDOMAIN                    = 0xc02069a0
 	SIOCGIFRTLABEL                    = 0xc0206983
-	SIOCGIFTIMESLOT                   = 0xc0206986
+	SIOCGIFRXR                        = 0x802069aa
 	SIOCGIFXFLAGS                     = 0xc020699e
-	SIOCGLIFADDR                      = 0xc218691d
 	SIOCGLIFPHYADDR                   = 0xc218694b
+	SIOCGLIFPHYDF                     = 0xc02069c2
 	SIOCGLIFPHYRTABLE                 = 0xc02069a2
 	SIOCGLIFPHYTTL                    = 0xc02069a9
-	SIOCGLOWAT                        = 0x40047303
 	SIOCGPGRP                         = 0x40047309
 	SIOCGSPPPPARAMS                   = 0xc0206994
+	SIOCGUMBINFO                      = 0xc02069be
+	SIOCGUMBPARAM                     = 0xc02069c0
 	SIOCGVH                           = 0xc02069f6
+	SIOCGVNETFLOWID                   = 0xc02069c4
 	SIOCGVNETID                       = 0xc02069a7
+	SIOCIFAFATTACH                    = 0x801169ab
+	SIOCIFAFDETACH                    = 0x801169ac
 	SIOCIFCREATE                      = 0x8020697a
 	SIOCIFDESTROY                     = 0x80206979
 	SIOCIFGCLONERS                    = 0xc0106978
 	SIOCSETKALIVE                     = 0x801869a3
 	SIOCSETLABEL                      = 0x80206999
+	SIOCSETMPWCFG                     = 0x802069ad
 	SIOCSETPFLOW                      = 0x802069fd
 	SIOCSETPFSYNC                     = 0x802069f7
 	SIOCSETVLAN                       = 0x8020698f
-	SIOCSHIWAT                        = 0x80047300
 	SIOCSIFADDR                       = 0x8020690c
-	SIOCSIFASYNCMAP                   = 0x8020697d
 	SIOCSIFBRDADDR                    = 0x80206913
 	SIOCSIFDESCR                      = 0x80206980
 	SIOCSIFDSTADDR                    = 0x8020690e
@@ -1168,25 +1235,36 @@
 	SIOCSIFGATTR                      = 0x8028698c
 	SIOCSIFGENERIC                    = 0x80206939
 	SIOCSIFLLADDR                     = 0x8020691f
-	SIOCSIFMEDIA                      = 0xc0206935
+	SIOCSIFLLPRIO                     = 0x802069b5
+	SIOCSIFMEDIA                      = 0xc0206937
 	SIOCSIFMETRIC                     = 0x80206918
 	SIOCSIFMTU                        = 0x8020697f
 	SIOCSIFNETMASK                    = 0x80206916
-	SIOCSIFPHYADDR                    = 0x80406946
+	SIOCSIFPAIR                       = 0x802069b0
+	SIOCSIFPARENT                     = 0x802069b2
 	SIOCSIFPRIORITY                   = 0x8020699b
 	SIOCSIFRDOMAIN                    = 0x8020699f
 	SIOCSIFRTLABEL                    = 0x80206982
-	SIOCSIFTIMESLOT                   = 0x80206985
 	SIOCSIFXFLAGS                     = 0x8020699d
 	SIOCSLIFPHYADDR                   = 0x8218694a
+	SIOCSLIFPHYDF                     = 0x802069c1
 	SIOCSLIFPHYRTABLE                 = 0x802069a1
 	SIOCSLIFPHYTTL                    = 0x802069a8
-	SIOCSLOWAT                        = 0x80047302
 	SIOCSPGRP                         = 0x80047308
 	SIOCSSPPPPARAMS                   = 0x80206993
+	SIOCSUMBPARAM                     = 0x802069bf
 	SIOCSVH                           = 0xc02069f5
+	SIOCSVNETFLOWID                   = 0x802069c3
 	SIOCSVNETID                       = 0x802069a6
+	SIOCSWGDPID                       = 0xc018695b
+	SIOCSWGMAXFLOW                    = 0xc0186960
+	SIOCSWGMAXGROUP                   = 0xc018695d
+	SIOCSWSDPID                       = 0x8018695c
+	SIOCSWSPORTNO                     = 0xc060695f
+	SOCK_CLOEXEC                      = 0x8000
 	SOCK_DGRAM                        = 0x2
+	SOCK_DNS                          = 0x1000
+	SOCK_NONBLOCK                     = 0x4000
 	SOCK_RAW                          = 0x3
 	SOCK_RDM                          = 0x4
 	SOCK_SEQPACKET                    = 0x5
@@ -1217,9 +1295,14 @@
 	SO_TIMESTAMP                      = 0x800
 	SO_TYPE                           = 0x1008
 	SO_USELOOPBACK                    = 0x40
+	SO_ZEROIZE                        = 0x2000
 	TCIFLUSH                          = 0x1
+	TCIOFF                            = 0x3
 	TCIOFLUSH                         = 0x3
+	TCION                             = 0x4
 	TCOFLUSH                          = 0x2
+	TCOOFF                            = 0x1
+	TCOON                             = 0x2
 	TCP_MAXBURST                      = 0x4
 	TCP_MAXSEG                        = 0x2
 	TCP_MAXWIN                        = 0xffff
@@ -1229,11 +1312,12 @@
 	TCP_MSS                           = 0x200
 	TCP_NODELAY                       = 0x1
 	TCP_NOPUSH                        = 0x10
-	TCP_NSTATES                       = 0xb
 	TCP_SACK_ENABLE                   = 0x8
 	TCSAFLUSH                         = 0x2
 	TIOCCBRK                          = 0x2000747a
 	TIOCCDTR                          = 0x20007478
+	TIOCCHKVERAUTH                    = 0x2000741e
+	TIOCCLRVERAUTH                    = 0x2000741d
 	TIOCCONS                          = 0x80047462
 	TIOCDRAIN                         = 0x2000745e
 	TIOCEXCL                          = 0x2000740d
@@ -1288,16 +1372,19 @@
 	TIOCSETAF                         = 0x802c7416
 	TIOCSETAW                         = 0x802c7415
 	TIOCSETD                          = 0x8004741b
+	TIOCSETVERAUTH                    = 0x8004741c
 	TIOCSFLAGS                        = 0x8004745c
 	TIOCSIG                           = 0x8004745f
 	TIOCSPGRP                         = 0x80047476
 	TIOCSTART                         = 0x2000746e
-	TIOCSTAT                          = 0x80047465
+	TIOCSTAT                          = 0x20007465
 	TIOCSTI                           = 0x80017472
 	TIOCSTOP                          = 0x2000746f
 	TIOCSTSTAMP                       = 0x8008745a
 	TIOCSWINSZ                        = 0x80087467
 	TIOCUCNTL                         = 0x80047466
+	TIOCUCNTL_CBRK                    = 0x7a
+	TIOCUCNTL_SBRK                    = 0x7b
 	TOSTOP                            = 0x400000
 	VDISCARD                          = 0xf
 	VDSUSP                            = 0xb
@@ -1309,6 +1396,18 @@
 	VKILL                             = 0x5
 	VLNEXT                            = 0xe
 	VMIN                              = 0x10
+	VM_ANONMIN                        = 0x7
+	VM_LOADAVG                        = 0x2
+	VM_MAXID                          = 0xc
+	VM_MAXSLP                         = 0xa
+	VM_METER                          = 0x1
+	VM_NKMEMPAGES                     = 0x6
+	VM_PSSTRINGS                      = 0x3
+	VM_SWAPENCRYPT                    = 0x5
+	VM_USPACE                         = 0xb
+	VM_UVMEXP                         = 0x4
+	VM_VNODEMIN                       = 0x9
+	VM_VTEXTMIN                       = 0x8
 	VQUIT                             = 0x9
 	VREPRINT                          = 0x6
 	VSTART                            = 0xc
@@ -1321,8 +1420,8 @@
 	WCONTINUED                        = 0x8
 	WCOREFLAG                         = 0x80
 	WNOHANG                           = 0x1
-	WSTOPPED                          = 0x7f
 	WUNTRACED                         = 0x2
+	XCASE                             = 0x1000000
 )
 
 // Errors
@@ -1336,6 +1435,7 @@
 	EALREADY        = syscall.Errno(0x25)
 	EAUTH           = syscall.Errno(0x50)
 	EBADF           = syscall.Errno(0x9)
+	EBADMSG         = syscall.Errno(0x5c)
 	EBADRPC         = syscall.Errno(0x48)
 	EBUSY           = syscall.Errno(0x10)
 	ECANCELED       = syscall.Errno(0x58)
@@ -1362,7 +1462,7 @@
 	EIPSEC          = syscall.Errno(0x52)
 	EISCONN         = syscall.Errno(0x38)
 	EISDIR          = syscall.Errno(0x15)
-	ELAST           = syscall.Errno(0x5b)
+	ELAST           = syscall.Errno(0x5f)
 	ELOOP           = syscall.Errno(0x3e)
 	EMEDIUMTYPE     = syscall.Errno(0x56)
 	EMFILE          = syscall.Errno(0x18)
@@ -1390,12 +1490,14 @@
 	ENOTCONN        = syscall.Errno(0x39)
 	ENOTDIR         = syscall.Errno(0x14)
 	ENOTEMPTY       = syscall.Errno(0x42)
+	ENOTRECOVERABLE = syscall.Errno(0x5d)
 	ENOTSOCK        = syscall.Errno(0x26)
 	ENOTSUP         = syscall.Errno(0x5b)
 	ENOTTY          = syscall.Errno(0x19)
 	ENXIO           = syscall.Errno(0x6)
 	EOPNOTSUPP      = syscall.Errno(0x2d)
 	EOVERFLOW       = syscall.Errno(0x57)
+	EOWNERDEAD      = syscall.Errno(0x5e)
 	EPERM           = syscall.Errno(0x1)
 	EPFNOSUPPORT    = syscall.Errno(0x2e)
 	EPIPE           = syscall.Errno(0x20)
@@ -1403,6 +1505,7 @@
 	EPROCUNAVAIL    = syscall.Errno(0x4c)
 	EPROGMISMATCH   = syscall.Errno(0x4b)
 	EPROGUNAVAIL    = syscall.Errno(0x4a)
+	EPROTO          = syscall.Errno(0x5f)
 	EPROTONOSUPPORT = syscall.Errno(0x2b)
 	EPROTOTYPE      = syscall.Errno(0x29)
 	ERANGE          = syscall.Errno(0x22)
@@ -1499,7 +1602,7 @@
 	{32, "EPIPE", "broken pipe"},
 	{33, "EDOM", "numerical argument out of domain"},
 	{34, "ERANGE", "result too large"},
-	{35, "EWOULDBLOCK", "resource temporarily unavailable"},
+	{35, "EAGAIN", "resource temporarily unavailable"},
 	{36, "EINPROGRESS", "operation now in progress"},
 	{37, "EALREADY", "operation already in progress"},
 	{38, "ENOTSOCK", "socket operation on non-socket"},
@@ -1555,7 +1658,11 @@
 	{88, "ECANCELED", "operation canceled"},
 	{89, "EIDRM", "identifier removed"},
 	{90, "ENOMSG", "no message of desired type"},
-	{91, "ELAST", "not supported"},
+	{91, "ENOTSUP", "not supported"},
+	{92, "EBADMSG", "bad message"},
+	{93, "ENOTRECOVERABLE", "state not recoverable"},
+	{94, "EOWNERDEAD", "previous owner died"},
+	{95, "ELAST", "protocol error"},
 }
 
 // Signal table
diff --git a/unix/zsysctl_openbsd_amd64.go b/unix/zsysctl_openbsd_amd64.go
index 83bb935..207b279 100644
--- a/unix/zsysctl_openbsd_amd64.go
+++ b/unix/zsysctl_openbsd_amd64.go
@@ -1,6 +1,8 @@
 // mksysctl_openbsd.pl
 // MACHINE GENERATED BY THE ABOVE COMMAND; DO NOT EDIT
 
+// +build amd64,openbsd
+
 package unix
 
 type mibentry struct {
@@ -14,6 +16,7 @@
 	{"ddb.max_line", []_C_int{9, 3}},
 	{"ddb.max_width", []_C_int{9, 2}},
 	{"ddb.panic", []_C_int{9, 5}},
+	{"ddb.profile", []_C_int{9, 9}},
 	{"ddb.radix", []_C_int{9, 1}},
 	{"ddb.tab_stop_width", []_C_int{9, 4}},
 	{"ddb.trigger", []_C_int{9, 8}},
@@ -29,6 +32,7 @@
 	{"hw.ncpu", []_C_int{6, 3}},
 	{"hw.ncpufound", []_C_int{6, 21}},
 	{"hw.pagesize", []_C_int{6, 7}},
+	{"hw.perfpolicy", []_C_int{6, 23}},
 	{"hw.physmem", []_C_int{6, 19}},
 	{"hw.product", []_C_int{6, 15}},
 	{"hw.serialno", []_C_int{6, 17}},
@@ -37,7 +41,7 @@
 	{"hw.uuid", []_C_int{6, 18}},
 	{"hw.vendor", []_C_int{6, 14}},
 	{"hw.version", []_C_int{6, 16}},
-	{"kern.arandom", []_C_int{1, 37}},
+	{"kern.allowkmem", []_C_int{1, 52}},
 	{"kern.argmax", []_C_int{1, 8}},
 	{"kern.boottime", []_C_int{1, 21}},
 	{"kern.bufcachepercent", []_C_int{1, 72}},
@@ -46,12 +50,13 @@
 	{"kern.consdev", []_C_int{1, 75}},
 	{"kern.cp_time", []_C_int{1, 40}},
 	{"kern.cp_time2", []_C_int{1, 71}},
-	{"kern.cryptodevallowsoft", []_C_int{1, 53}},
+	{"kern.dnsjackport", []_C_int{1, 13}},
 	{"kern.domainname", []_C_int{1, 22}},
 	{"kern.file", []_C_int{1, 73}},
 	{"kern.forkstat", []_C_int{1, 42}},
 	{"kern.fscale", []_C_int{1, 46}},
 	{"kern.fsync", []_C_int{1, 33}},
+	{"kern.global_ptrace", []_C_int{1, 81}},
 	{"kern.hostid", []_C_int{1, 11}},
 	{"kern.hostname", []_C_int{1, 10}},
 	{"kern.intrcnt.nintrcnt", []_C_int{1, 63, 1}},
@@ -84,7 +89,6 @@
 	{"kern.pool_debug", []_C_int{1, 77}},
 	{"kern.posix1version", []_C_int{1, 17}},
 	{"kern.proc", []_C_int{1, 66}},
-	{"kern.random", []_C_int{1, 31}},
 	{"kern.rawpartition", []_C_int{1, 24}},
 	{"kern.saved_ids", []_C_int{1, 20}},
 	{"kern.securelevel", []_C_int{1, 9}},
@@ -102,21 +106,16 @@
 	{"kern.timecounter.hardware", []_C_int{1, 69, 3}},
 	{"kern.timecounter.tick", []_C_int{1, 69, 1}},
 	{"kern.timecounter.timestepwarnings", []_C_int{1, 69, 2}},
-	{"kern.tty.maxptys", []_C_int{1, 44, 6}},
-	{"kern.tty.nptys", []_C_int{1, 44, 7}},
 	{"kern.tty.tk_cancc", []_C_int{1, 44, 4}},
 	{"kern.tty.tk_nin", []_C_int{1, 44, 1}},
 	{"kern.tty.tk_nout", []_C_int{1, 44, 2}},
 	{"kern.tty.tk_rawcc", []_C_int{1, 44, 3}},
 	{"kern.tty.ttyinfo", []_C_int{1, 44, 5}},
 	{"kern.ttycount", []_C_int{1, 57}},
-	{"kern.userasymcrypto", []_C_int{1, 60}},
-	{"kern.usercrypto", []_C_int{1, 52}},
-	{"kern.usermount", []_C_int{1, 30}},
 	{"kern.version", []_C_int{1, 4}},
-	{"kern.vnode", []_C_int{1, 13}},
 	{"kern.watchdog.auto", []_C_int{1, 64, 2}},
 	{"kern.watchdog.period", []_C_int{1, 64, 1}},
+	{"kern.wxabort", []_C_int{1, 74}},
 	{"net.bpf.bufsize", []_C_int{4, 31, 1}},
 	{"net.bpf.maxbufsize", []_C_int{4, 31, 2}},
 	{"net.inet.ah.enable", []_C_int{4, 2, 51, 1}},
@@ -144,7 +143,9 @@
 	{"net.inet.icmp.stats", []_C_int{4, 2, 1, 7}},
 	{"net.inet.icmp.tstamprepl", []_C_int{4, 2, 1, 6}},
 	{"net.inet.igmp.stats", []_C_int{4, 2, 2, 1}},
+	{"net.inet.ip.arpdown", []_C_int{4, 2, 0, 40}},
 	{"net.inet.ip.arpqueued", []_C_int{4, 2, 0, 36}},
+	{"net.inet.ip.arptimeout", []_C_int{4, 2, 0, 39}},
 	{"net.inet.ip.encdebug", []_C_int{4, 2, 0, 12}},
 	{"net.inet.ip.forwarding", []_C_int{4, 2, 0, 1}},
 	{"net.inet.ip.ifq.congestion", []_C_int{4, 2, 0, 30, 4}},
@@ -153,8 +154,10 @@
 	{"net.inet.ip.ifq.maxlen", []_C_int{4, 2, 0, 30, 2}},
 	{"net.inet.ip.maxqueue", []_C_int{4, 2, 0, 11}},
 	{"net.inet.ip.mforwarding", []_C_int{4, 2, 0, 31}},
+	{"net.inet.ip.mrtmfc", []_C_int{4, 2, 0, 37}},
 	{"net.inet.ip.mrtproto", []_C_int{4, 2, 0, 34}},
 	{"net.inet.ip.mrtstats", []_C_int{4, 2, 0, 35}},
+	{"net.inet.ip.mrtvif", []_C_int{4, 2, 0, 38}},
 	{"net.inet.ip.mtu", []_C_int{4, 2, 0, 4}},
 	{"net.inet.ip.mtudisc", []_C_int{4, 2, 0, 27}},
 	{"net.inet.ip.mtudisctimeout", []_C_int{4, 2, 0, 28}},
@@ -173,7 +176,6 @@
 	{"net.inet.ipip.stats", []_C_int{4, 2, 4, 2}},
 	{"net.inet.mobileip.allow", []_C_int{4, 2, 55, 1}},
 	{"net.inet.pfsync.stats", []_C_int{4, 2, 240, 1}},
-	{"net.inet.pim.stats", []_C_int{4, 2, 103, 1}},
 	{"net.inet.tcp.ackonpush", []_C_int{4, 2, 6, 13}},
 	{"net.inet.tcp.always_keepalive", []_C_int{4, 2, 6, 22}},
 	{"net.inet.tcp.baddynamic", []_C_int{4, 2, 6, 6}},
@@ -187,6 +189,7 @@
 	{"net.inet.tcp.reasslimit", []_C_int{4, 2, 6, 18}},
 	{"net.inet.tcp.rfc1323", []_C_int{4, 2, 6, 1}},
 	{"net.inet.tcp.rfc3390", []_C_int{4, 2, 6, 17}},
+	{"net.inet.tcp.rootonly", []_C_int{4, 2, 6, 24}},
 	{"net.inet.tcp.rstppslimit", []_C_int{4, 2, 6, 12}},
 	{"net.inet.tcp.sack", []_C_int{4, 2, 6, 10}},
 	{"net.inet.tcp.sackholelimit", []_C_int{4, 2, 6, 20}},
@@ -194,9 +197,12 @@
 	{"net.inet.tcp.stats", []_C_int{4, 2, 6, 21}},
 	{"net.inet.tcp.synbucketlimit", []_C_int{4, 2, 6, 16}},
 	{"net.inet.tcp.syncachelimit", []_C_int{4, 2, 6, 15}},
+	{"net.inet.tcp.synhashsize", []_C_int{4, 2, 6, 25}},
+	{"net.inet.tcp.synuselimit", []_C_int{4, 2, 6, 23}},
 	{"net.inet.udp.baddynamic", []_C_int{4, 2, 17, 2}},
 	{"net.inet.udp.checksum", []_C_int{4, 2, 17, 1}},
 	{"net.inet.udp.recvspace", []_C_int{4, 2, 17, 3}},
+	{"net.inet.udp.rootonly", []_C_int{4, 2, 17, 6}},
 	{"net.inet.udp.sendspace", []_C_int{4, 2, 17, 4}},
 	{"net.inet.udp.stats", []_C_int{4, 2, 17, 5}},
 	{"net.inet6.divert.recvspace", []_C_int{4, 24, 86, 1}},
@@ -209,13 +215,8 @@
 	{"net.inet6.icmp6.nd6_delay", []_C_int{4, 24, 30, 8}},
 	{"net.inet6.icmp6.nd6_maxnudhint", []_C_int{4, 24, 30, 15}},
 	{"net.inet6.icmp6.nd6_mmaxtries", []_C_int{4, 24, 30, 10}},
-	{"net.inet6.icmp6.nd6_prune", []_C_int{4, 24, 30, 6}},
 	{"net.inet6.icmp6.nd6_umaxtries", []_C_int{4, 24, 30, 9}},
-	{"net.inet6.icmp6.nd6_useloopback", []_C_int{4, 24, 30, 11}},
-	{"net.inet6.icmp6.nodeinfo", []_C_int{4, 24, 30, 13}},
-	{"net.inet6.icmp6.rediraccept", []_C_int{4, 24, 30, 2}},
 	{"net.inet6.icmp6.redirtimeout", []_C_int{4, 24, 30, 3}},
-	{"net.inet6.ip6.accept_rtadv", []_C_int{4, 24, 17, 12}},
 	{"net.inet6.ip6.auto_flowlabel", []_C_int{4, 24, 17, 17}},
 	{"net.inet6.ip6.dad_count", []_C_int{4, 24, 17, 16}},
 	{"net.inet6.ip6.dad_pending", []_C_int{4, 24, 17, 49}},
@@ -228,20 +229,19 @@
 	{"net.inet6.ip6.maxdynroutes", []_C_int{4, 24, 17, 48}},
 	{"net.inet6.ip6.maxfragpackets", []_C_int{4, 24, 17, 9}},
 	{"net.inet6.ip6.maxfrags", []_C_int{4, 24, 17, 41}},
-	{"net.inet6.ip6.maxifdefrouters", []_C_int{4, 24, 17, 47}},
-	{"net.inet6.ip6.maxifprefixes", []_C_int{4, 24, 17, 46}},
 	{"net.inet6.ip6.mforwarding", []_C_int{4, 24, 17, 42}},
+	{"net.inet6.ip6.mrtmfc", []_C_int{4, 24, 17, 53}},
+	{"net.inet6.ip6.mrtmif", []_C_int{4, 24, 17, 52}},
 	{"net.inet6.ip6.mrtproto", []_C_int{4, 24, 17, 8}},
 	{"net.inet6.ip6.mtudisctimeout", []_C_int{4, 24, 17, 50}},
 	{"net.inet6.ip6.multicast_mtudisc", []_C_int{4, 24, 17, 44}},
 	{"net.inet6.ip6.multipath", []_C_int{4, 24, 17, 43}},
 	{"net.inet6.ip6.neighborgcthresh", []_C_int{4, 24, 17, 45}},
 	{"net.inet6.ip6.redirect", []_C_int{4, 24, 17, 2}},
-	{"net.inet6.ip6.rr_prune", []_C_int{4, 24, 17, 22}},
+	{"net.inet6.ip6.soiikey", []_C_int{4, 24, 17, 54}},
 	{"net.inet6.ip6.sourcecheck", []_C_int{4, 24, 17, 10}},
 	{"net.inet6.ip6.sourcecheck_logint", []_C_int{4, 24, 17, 11}},
 	{"net.inet6.ip6.use_deprecated", []_C_int{4, 24, 17, 21}},
-	{"net.inet6.ip6.v6only", []_C_int{4, 24, 17, 24}},
 	{"net.key.sadb_dump", []_C_int{4, 30, 1}},
 	{"net.key.spd_dump", []_C_int{4, 30, 2}},
 	{"net.mpls.ifq.congestion", []_C_int{4, 33, 3, 4}},
@@ -254,17 +254,4 @@
 	{"net.mpls.ttl", []_C_int{4, 33, 2}},
 	{"net.pflow.stats", []_C_int{4, 34, 1}},
 	{"net.pipex.enable", []_C_int{4, 35, 1}},
-	{"vm.anonmin", []_C_int{2, 7}},
-	{"vm.loadavg", []_C_int{2, 2}},
-	{"vm.maxslp", []_C_int{2, 10}},
-	{"vm.nkmempages", []_C_int{2, 6}},
-	{"vm.psstrings", []_C_int{2, 3}},
-	{"vm.swapencrypt.enable", []_C_int{2, 5, 0}},
-	{"vm.swapencrypt.keyscreated", []_C_int{2, 5, 1}},
-	{"vm.swapencrypt.keysdeleted", []_C_int{2, 5, 2}},
-	{"vm.uspace", []_C_int{2, 11}},
-	{"vm.uvmexp", []_C_int{2, 4}},
-	{"vm.vmmeter", []_C_int{2, 1}},
-	{"vm.vnodemin", []_C_int{2, 9}},
-	{"vm.vtextmin", []_C_int{2, 8}},
 }
diff --git a/unix/zsysnum_openbsd_amd64.go b/unix/zsysnum_openbsd_amd64.go
index bd28146..10edff0 100644
--- a/unix/zsysnum_openbsd_amd64.go
+++ b/unix/zsysnum_openbsd_amd64.go
@@ -1,5 +1,5 @@
 // mksysnum_openbsd.pl
-// MACHINE GENERATED BY THE ABOVE COMMAND; DO NOT EDIT
+// Code generated by the command above; see README.md. DO NOT EDIT.
 
 // +build amd64,openbsd
 
@@ -12,6 +12,7 @@
 	SYS_WRITE          = 4   // { ssize_t sys_write(int fd, const void *buf, \
 	SYS_OPEN           = 5   // { int sys_open(const char *path, \
 	SYS_CLOSE          = 6   // { int sys_close(int fd); }
+	SYS_GETENTROPY     = 7   // { int sys_getentropy(void *buf, size_t nbyte); }
 	SYS___TFORK        = 8   // { int sys___tfork(const struct __tfork *param, \
 	SYS_LINK           = 9   // { int sys_link(const char *path, const char *link); }
 	SYS_UNLINK         = 10  // { int sys_unlink(const char *path); }
@@ -37,11 +38,10 @@
 	SYS_ACCEPT         = 30  // { int sys_accept(int s, struct sockaddr *name, \
 	SYS_GETPEERNAME    = 31  // { int sys_getpeername(int fdes, struct sockaddr *asa, \
 	SYS_GETSOCKNAME    = 32  // { int sys_getsockname(int fdes, struct sockaddr *asa, \
-	SYS_ACCESS         = 33  // { int sys_access(const char *path, int flags); }
+	SYS_ACCESS         = 33  // { int sys_access(const char *path, int amode); }
 	SYS_CHFLAGS        = 34  // { int sys_chflags(const char *path, u_int flags); }
 	SYS_FCHFLAGS       = 35  // { int sys_fchflags(int fd, u_int flags); }
 	SYS_SYNC           = 36  // { void sys_sync(void); }
-	SYS_KILL           = 37  // { int sys_kill(int pid, int signum); }
 	SYS_STAT           = 38  // { int sys_stat(const char *path, struct stat *ub); }
 	SYS_GETPPID        = 39  // { pid_t sys_getppid(void); }
 	SYS_LSTAT          = 40  // { int sys_lstat(const char *path, struct stat *ub); }
@@ -53,7 +53,6 @@
 	SYS_SIGACTION      = 46  // { int sys_sigaction(int signum, \
 	SYS_GETGID         = 47  // { gid_t sys_getgid(void); }
 	SYS_SIGPROCMASK    = 48  // { int sys_sigprocmask(int how, sigset_t mask); }
-	SYS_GETLOGIN       = 49  // { int sys_getlogin(char *namebuf, u_int namelen); }
 	SYS_SETLOGIN       = 50  // { int sys_setlogin(const char *namebuf); }
 	SYS_ACCT           = 51  // { int sys_acct(const char *path); }
 	SYS_SIGPENDING     = 52  // { int sys_sigpending(void); }
@@ -62,7 +61,7 @@
 	SYS_REBOOT         = 55  // { int sys_reboot(int opt); }
 	SYS_REVOKE         = 56  // { int sys_revoke(const char *path); }
 	SYS_SYMLINK        = 57  // { int sys_symlink(const char *path, \
-	SYS_READLINK       = 58  // { int sys_readlink(const char *path, char *buf, \
+	SYS_READLINK       = 58  // { ssize_t sys_readlink(const char *path, \
 	SYS_EXECVE         = 59  // { int sys_execve(const char *path, \
 	SYS_UMASK          = 60  // { mode_t sys_umask(mode_t newmask); }
 	SYS_CHROOT         = 61  // { int sys_chroot(const char *path); }
@@ -86,15 +85,18 @@
 	SYS_GETGROUPS      = 79  // { int sys_getgroups(int gidsetsize, \
 	SYS_SETGROUPS      = 80  // { int sys_setgroups(int gidsetsize, \
 	SYS_GETPGRP        = 81  // { int sys_getpgrp(void); }
-	SYS_SETPGID        = 82  // { int sys_setpgid(pid_t pid, int pgid); }
+	SYS_SETPGID        = 82  // { int sys_setpgid(pid_t pid, pid_t pgid); }
+	SYS_FUTEX          = 83  // { int sys_futex(uint32_t *f, int op, int val, \
 	SYS_UTIMENSAT      = 84  // { int sys_utimensat(int fd, const char *path, \
 	SYS_FUTIMENS       = 85  // { int sys_futimens(int fd, \
+	SYS_KBIND          = 86  // { int sys_kbind(const struct __kbind *param, \
 	SYS_CLOCK_GETTIME  = 87  // { int sys_clock_gettime(clockid_t clock_id, \
 	SYS_CLOCK_SETTIME  = 88  // { int sys_clock_settime(clockid_t clock_id, \
 	SYS_CLOCK_GETRES   = 89  // { int sys_clock_getres(clockid_t clock_id, \
 	SYS_DUP2           = 90  // { int sys_dup2(int from, int to); }
 	SYS_NANOSLEEP      = 91  // { int sys_nanosleep(const struct timespec *rqtp, \
 	SYS_FCNTL          = 92  // { int sys_fcntl(int fd, int cmd, ... void *arg); }
+	SYS_ACCEPT4        = 93  // { int sys_accept4(int s, struct sockaddr *name, \
 	SYS___THRSLEEP     = 94  // { int sys___thrsleep(const volatile void *ident, \
 	SYS_FSYNC          = 95  // { int sys_fsync(int fd); }
 	SYS_SETPRIORITY    = 96  // { int sys_setpriority(int which, id_t who, int prio); }
@@ -102,16 +104,23 @@
 	SYS_CONNECT        = 98  // { int sys_connect(int s, const struct sockaddr *name, \
 	SYS_GETDENTS       = 99  // { int sys_getdents(int fd, void *buf, size_t buflen); }
 	SYS_GETPRIORITY    = 100 // { int sys_getpriority(int which, id_t who); }
+	SYS_PIPE2          = 101 // { int sys_pipe2(int *fdp, int flags); }
+	SYS_DUP3           = 102 // { int sys_dup3(int from, int to, int flags); }
 	SYS_SIGRETURN      = 103 // { int sys_sigreturn(struct sigcontext *sigcntxp); }
 	SYS_BIND           = 104 // { int sys_bind(int s, const struct sockaddr *name, \
 	SYS_SETSOCKOPT     = 105 // { int sys_setsockopt(int s, int level, int name, \
 	SYS_LISTEN         = 106 // { int sys_listen(int s, int backlog); }
+	SYS_CHFLAGSAT      = 107 // { int sys_chflagsat(int fd, const char *path, \
+	SYS_PLEDGE         = 108 // { int sys_pledge(const char *promises, \
 	SYS_PPOLL          = 109 // { int sys_ppoll(struct pollfd *fds, \
 	SYS_PSELECT        = 110 // { int sys_pselect(int nd, fd_set *in, fd_set *ou, \
 	SYS_SIGSUSPEND     = 111 // { int sys_sigsuspend(int mask); }
+	SYS_SENDSYSLOG     = 112 // { int sys_sendsyslog(const char *buf, size_t nbyte, \
 	SYS_GETSOCKOPT     = 118 // { int sys_getsockopt(int s, int level, int name, \
+	SYS_THRKILL        = 119 // { int sys_thrkill(pid_t tid, int signum, void *tcb); }
 	SYS_READV          = 120 // { ssize_t sys_readv(int fd, \
 	SYS_WRITEV         = 121 // { ssize_t sys_writev(int fd, \
+	SYS_KILL           = 122 // { int sys_kill(int pid, int signum); }
 	SYS_FCHOWN         = 123 // { int sys_fchown(int fd, uid_t uid, gid_t gid); }
 	SYS_FCHMOD         = 124 // { int sys_fchmod(int fd, mode_t mode); }
 	SYS_SETREUID       = 126 // { int sys_setreuid(uid_t ruid, uid_t euid); }
@@ -125,6 +134,7 @@
 	SYS_MKDIR          = 136 // { int sys_mkdir(const char *path, mode_t mode); }
 	SYS_RMDIR          = 137 // { int sys_rmdir(const char *path); }
 	SYS_ADJTIME        = 140 // { int sys_adjtime(const struct timeval *delta, \
+	SYS_GETLOGIN_R     = 141 // { int sys_getlogin_r(char *namebuf, u_int namelen); }
 	SYS_SETSID         = 147 // { int sys_setsid(void); }
 	SYS_QUOTACTL       = 148 // { int sys_quotactl(const char *path, int cmd, \
 	SYS_NFSSVC         = 155 // { int sys_nfssvc(int flag, void *argp); }
@@ -144,7 +154,7 @@
 	SYS_LSEEK          = 199 // { off_t sys_lseek(int fd, int pad, off_t offset, \
 	SYS_TRUNCATE       = 200 // { int sys_truncate(const char *path, int pad, \
 	SYS_FTRUNCATE      = 201 // { int sys_ftruncate(int fd, int pad, off_t length); }
-	SYS___SYSCTL       = 202 // { int sys___sysctl(const int *name, u_int namelen, \
+	SYS_SYSCTL         = 202 // { int sys_sysctl(const int *name, u_int namelen, \
 	SYS_MLOCK          = 203 // { int sys_mlock(const void *addr, size_t len); }
 	SYS_MUNLOCK        = 204 // { int sys_munlock(const void *addr, size_t len); }
 	SYS_GETPGID        = 207 // { pid_t sys_getpgid(pid_t pid); }
diff --git a/unix/ztypes_openbsd_amd64.go b/unix/ztypes_openbsd_amd64.go
index d531410..5a9c818 100644
--- a/unix/ztypes_openbsd_amd64.go
+++ b/unix/ztypes_openbsd_amd64.go
@@ -74,30 +74,30 @@
 )
 
 type Stat_t struct {
-	Mode           uint32
-	Dev            int32
-	Ino            uint64
-	Nlink          uint32
-	Uid            uint32
-	Gid            uint32
-	Rdev           int32
-	Atim           Timespec
-	Mtim           Timespec
-	Ctim           Timespec
-	Size           int64
-	Blocks         int64
-	Blksize        uint32
-	Flags          uint32
-	Gen            uint32
-	Pad_cgo_0      [4]byte
-	X__st_birthtim Timespec
+	Mode    uint32
+	Dev     int32
+	Ino     uint64
+	Nlink   uint32
+	Uid     uint32
+	Gid     uint32
+	Rdev    int32
+	Atim    Timespec
+	Mtim    Timespec
+	Ctim    Timespec
+	Size    int64
+	Blocks  int64
+	Blksize int32
+	Flags   uint32
+	Gen     uint32
+	_       [4]byte
+	_       Timespec
 }
 
 type Statfs_t struct {
 	F_flags       uint32
 	F_bsize       uint32
 	F_iosize      uint32
-	Pad_cgo_0     [4]byte
+	_             [4]byte
 	F_blocks      uint64
 	F_bfree       uint64
 	F_bavail      int64
@@ -116,7 +116,7 @@
 	F_mntonname   [90]int8
 	F_mntfromname [90]int8
 	F_mntfromspec [90]int8
-	Pad_cgo_1     [2]byte
+	_             [2]byte
 	Mount_info    [160]byte
 }
 
@@ -129,13 +129,13 @@
 }
 
 type Dirent struct {
-	Fileno       uint64
-	Off          int64
-	Reclen       uint16
-	Type         uint8
-	Namlen       uint8
-	X__d_padding [4]uint8
-	Name         [256]int8
+	Fileno uint64
+	Off    int64
+	Reclen uint16
+	Type   uint8
+	Namlen uint8
+	_      [4]uint8
+	Name   [256]int8
 }
 
 type Fsid struct {
@@ -216,10 +216,10 @@
 type Msghdr struct {
 	Name       *byte
 	Namelen    uint32
-	Pad_cgo_0  [4]byte
+	_          [4]byte
 	Iov        *Iovec
 	Iovlen     uint32
-	Pad_cgo_1  [4]byte
+	_          [4]byte
 	Control    *byte
 	Controllen uint32
 	Flags      int32
@@ -281,8 +281,8 @@
 }
 
 const (
-	SizeofIfMsghdr         = 0xf8
-	SizeofIfData           = 0xe0
+	SizeofIfMsghdr         = 0xa8
+	SizeofIfData           = 0x90
 	SizeofIfaMsghdr        = 0x18
 	SizeofIfAnnounceMsghdr = 0x1a
 	SizeofRtMsghdr         = 0x60
@@ -311,7 +311,7 @@
 	Link_state   uint8
 	Mtu          uint32
 	Metric       uint32
-	Pad          uint32
+	Rdomain      uint32
 	Baudrate     uint64
 	Ipackets     uint64
 	Ierrors      uint64
@@ -323,12 +323,11 @@
 	Imcasts      uint64
 	Omcasts      uint64
 	Iqdrops      uint64
+	Oqdrops      uint64
 	Noproto      uint64
 	Capabilities uint32
-	Pad_cgo_0    [4]byte
+	_            [4]byte
 	Lastchange   Timeval
-	Mclpool      [7]Mclpool
-	Pad_cgo_1    [4]byte
 }
 
 type IfaMsghdr struct {
@@ -389,13 +388,7 @@
 	Pad      uint32
 }
 
-type Mclpool struct {
-	Grown int32
-	Alive uint16
-	Hwm   uint16
-	Cwm   uint16
-	Lwm   uint16
-}
+type Mclpool struct{}
 
 const (
 	SizeofBpfVersion = 0x4
@@ -416,9 +409,9 @@
 }
 
 type BpfProgram struct {
-	Len       uint32
-	Pad_cgo_0 [4]byte
-	Insns     *BpfInsn
+	Len   uint32
+	_     [4]byte
+	Insns *BpfInsn
 }
 
 type BpfInsn struct {
@@ -429,11 +422,11 @@
 }
 
 type BpfHdr struct {
-	Tstamp    BpfTimeval
-	Caplen    uint32
-	Datalen   uint32
-	Hdrlen    uint16
-	Pad_cgo_0 [2]byte
+	Tstamp  BpfTimeval
+	Caplen  uint32
+	Datalen uint32
+	Hdrlen  uint16
+	_       [2]byte
 }
 
 type BpfTimeval struct {