diff --git a/Cargo.toml b/Cargo.toml
index 3ca0827a37aed..825e296618942 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -85,12 +85,14 @@ targets = [
     "riscv32i-unknown-none-elf",
     "riscv32imac-unknown-none-elf",
     "riscv32imc-unknown-none-elf",
+    "riscv32-wrs-vxworks",
     "riscv64gc-unknown-freebsd",
     "riscv64gc-unknown-hermit",
     "riscv64gc-unknown-linux-gnu",
     "riscv64gc-unknown-linux-musl",
     "riscv64gc-unknown-none-elf",
     "riscv64imac-unknown-none-elf",
+    "riscv64-wrs-vxworks",
     "s390x-unknown-linux-gnu",
     "s390x-unknown-linux-musl",
     "sparc-unknown-linux-gnu",
diff --git a/ci/build.sh b/ci/build.sh
index d90872f4e8c84..d4b85ccbf0bd9 100644
--- a/ci/build.sh
+++ b/ci/build.sh
@@ -252,11 +252,13 @@ riscv32i-unknown-none-elf \
 riscv32imac-unknown-none-elf \
 riscv32imc-unknown-none-elf \
 riscv32gc-unknown-linux-gnu \
+riscv32-wrs-vxworks \
 riscv64gc-unknown-freebsd \
 riscv64gc-unknown-hermit \
 riscv64gc-unknown-linux-musl \
 riscv64gc-unknown-none-elf \
 riscv64imac-unknown-none-elf \
+riscv64-wrs-vxworks \
 s390x-unknown-linux-musl \
 sparc-unknown-linux-gnu \
 sparc64-unknown-netbsd \
diff --git a/libc-test/semver/dragonfly.txt b/libc-test/semver/dragonfly.txt
index d2d26b0fe0688..8c9a7854f9eba 100644
--- a/libc-test/semver/dragonfly.txt
+++ b/libc-test/semver/dragonfly.txt
@@ -874,6 +874,31 @@ RLIMIT_STACK
 RLIMIT_VMEM
 RLIM_INFINITY
 RLIM_NLIMITS
+RTF_XRESOLVE
+RTF_LLINFO
+RTF_PROTO3
+RTF_PINNED
+RTF_LOCAL
+RTF_BROADCAST
+RTF_MULTICAST
+RTM_LOCK
+RTM_RESOLVE
+RTM_NEWADDR
+RTM_DELADDR
+RTM_IFINFO
+RTM_NEWMADDR
+RTM_DELMADDR
+RTM_IFANNOUNCE
+RTM_IEEE80211
+RTF_CLONING
+RTF_PRCLONING
+RTF_WASCLONED
+RTF_MPLSOPS
+RTM_VERSION
+RTAX_MPLS1
+RTAX_MPLS2
+RTAX_MPLS3
+RTAX_MAX
 RTLD_NEXT
 RTLD_NODELETE
 RTLD_NOLOAD
diff --git a/libc-test/semver/freebsd.txt b/libc-test/semver/freebsd.txt
index 85cb2d6fd823e..d4b53860b5a53 100644
--- a/libc-test/semver/freebsd.txt
+++ b/libc-test/semver/freebsd.txt
@@ -1023,6 +1023,7 @@ PL_FLAG_SI
 PM_STR
 POLLINIGNEOF
 POLLRDBAND
+POLLRDHUP
 POLLRDNORM
 POLLSTANDARD
 POLLWRBAND
@@ -1218,6 +1219,26 @@ RLIMIT_UMTXP
 RLIMIT_VMEM
 RLIM_INFINITY
 RLIM_NLIMITS
+RTF_XRESOLVE
+RTF_LLINFO
+RTF_PROTO3
+RTF_PINNED
+RTF_LOCAL
+RTF_BROADCAST
+RTF_MULTICAST
+RTM_LOCK
+RTM_RESOLVE
+RTM_NEWADDR
+RTM_DELADDR
+RTM_IFINFO
+RTM_NEWMADDR
+RTM_DELMADDR
+RTM_IFANNOUNCE
+RTM_IEEE80211
+RTF_LLDATA
+RTF_FIXEDMTU
+RTM_VERSION
+RTAX_MAX
 RTLD_NEXT
 RTLD_NODELETE
 RTLD_NOLOAD
diff --git a/libc-test/semver/illumos.txt b/libc-test/semver/illumos.txt
index d0ef608456d54..64c25d4b4f969 100644
--- a/libc-test/semver/illumos.txt
+++ b/libc-test/semver/illumos.txt
@@ -1,3 +1,14 @@
+O_RSYNC
+POLLRDHUP
+POSIX_FADV_DONTNEED
+POSIX_FADV_NOREUSE
+POSIX_FADV_NORMAL
+POSIX_FADV_RANDOM
+POSIX_FADV_SEQUENTIAL
+POSIX_FADV_WILLNEED
+posix_fadvise
+posix_fallocate
 pthread_attr_get_np
 pthread_attr_getstackaddr
 pthread_attr_setstack
+ptsname_r
diff --git a/libc-test/semver/linux-musl.txt b/libc-test/semver/linux-musl.txt
index b775cec7182d9..531bb8567dd0c 100644
--- a/libc-test/semver/linux-musl.txt
+++ b/libc-test/semver/linux-musl.txt
@@ -1,4 +1,3 @@
-# TODO: musl.
 AF_IB
 AF_MPLS
 AF_XDP
diff --git a/libc-test/semver/netbsd.txt b/libc-test/semver/netbsd.txt
index 838f28f71b5d1..cfde7caca0c55 100644
--- a/libc-test/semver/netbsd.txt
+++ b/libc-test/semver/netbsd.txt
@@ -136,6 +136,8 @@ CLD_EXITED
 CLD_KILLED
 CLD_STOPPED
 CLD_TRAPPED
+CLOCK_PROCESS_CPUTIME_ID
+CLOCK_THREAD_CPUTIME_ID
 CMSG_DATA
 CMSG_FIRSTHDR
 CMSG_LEN
@@ -927,6 +929,28 @@ RLIM_INFINITY
 RLIM_NLIMITS
 RLIM_SAVED_CUR
 RLIM_SAVED_MAX
+RTF_MASK
+RTF_CONNECTED
+RTF_ANNOUNCE
+RTF_SRC
+RTF_LOCAL
+RTF_BROADCAST
+RTF_UPDATING
+RTF_DONTCHANGEIFA
+RTM_VERSION
+RTM_LOCK
+RTM_IFANNOUNCE
+RTM_IEEE80211
+RTM_SETGATE
+RTM_LLINFO_UPD
+RTM_IFINFO
+RTM_OCHGADDR
+RTM_NEWADDR
+RTM_DELADDR
+RTM_CHGADDR
+RTA_TAG
+RTAX_TAG
+RTAX_MAX
 RTLD_NEXT
 RTLD_NOLOAD
 RTLD_SELF
@@ -1567,6 +1591,7 @@ sync
 syscall
 sysctl
 sysctlbyname
+sysctlnametomib
 sysctldesc
 tcp_info
 telldir
diff --git a/libc-test/semver/openbsd.txt b/libc-test/semver/openbsd.txt
index 197df09e1c2c6..ecdf40076fa72 100644
--- a/libc-test/semver/openbsd.txt
+++ b/libc-test/semver/openbsd.txt
@@ -765,8 +765,50 @@ RLIM_INFINITY
 RLIM_NLIMITS
 RLIM_SAVED_CUR
 RLIM_SAVED_MAX
+RTA_BFD
+RTA_DNS
+RTA_LABEL
+RTA_SEARCH
+RTA_SRC
+RTA_SRCMASK
+RTA_STATIC
+RTAX_BFD
+RTAX_DNS
+RTAX_LABEL
+RTAX_MAX
+RTAX_SEARCH
+RTAX_SRC
+RTAX_SRCMASK
+RTAX_STATIC
+RTF_ANNOUNCE
+RTF_BFD
+RTF_BROADCAST
+RTF_CACHED
+RTF_CLONED
+RTF_CLONING
+RTF_CONNECTED
+RTF_FMASK
+RTF_LLINFO
+RTF_LOCAL
+RTF_MPATH
+RTF_MPLS
+RTF_MULTICAST
+RTF_PROTO3
 RTLD_NEXT
 RTLD_SELF
+RTM_80211INFO
+RTM_BFD
+RTM_CHGADDRATTR
+RTM_DELADDR
+RTM_DESYNC
+RTM_IFANNOUNCE
+RTM_IFINFO
+RTM_INVALIDATE
+RTM_NEWADDR
+RTM_PROPOSAL
+RTM_RESOLVE
+RTM_SOURCE
+RTM_VERSION
 RUSAGE_CHILDREN
 RUSAGE_SELF
 RUSAGE_THREAD
diff --git a/src/unix/bsd/apple/mod.rs b/src/unix/bsd/apple/mod.rs
index 804bd89b5c4e8..0017403410f4c 100644
--- a/src/unix/bsd/apple/mod.rs
+++ b/src/unix/bsd/apple/mod.rs
@@ -4940,22 +4940,11 @@ pub const XATTR_SHOWCOMPRESSION: ::c_int = 0x0020;
 pub const NET_RT_IFLIST2: ::c_int = 0x0006;
 
 // net/route.h
-pub const RTF_UP: ::c_int = 0x1;
-pub const RTF_GATEWAY: ::c_int = 0x2;
-pub const RTF_HOST: ::c_int = 0x4;
-pub const RTF_REJECT: ::c_int = 0x8;
-pub const RTF_DYNAMIC: ::c_int = 0x10;
-pub const RTF_MODIFIED: ::c_int = 0x20;
-pub const RTF_DONE: ::c_int = 0x40;
 pub const RTF_DELCLONE: ::c_int = 0x80;
 pub const RTF_CLONING: ::c_int = 0x100;
 pub const RTF_XRESOLVE: ::c_int = 0x200;
 pub const RTF_LLINFO: ::c_int = 0x400;
-pub const RTF_STATIC: ::c_int = 0x800;
-pub const RTF_BLACKHOLE: ::c_int = 0x1000;
 pub const RTF_NOIFREF: ::c_int = 0x2000;
-pub const RTF_PROTO2: ::c_int = 0x4000;
-pub const RTF_PROTO1: ::c_int = 0x8000;
 pub const RTF_PRCLONING: ::c_int = 0x10000;
 pub const RTF_WASCLONED: ::c_int = 0x20000;
 pub const RTF_PROTO3: ::c_int = 0x40000;
@@ -4974,13 +4963,6 @@ pub const RTF_GLOBAL: ::c_int = 0x40000000;
 pub const RTM_VERSION: ::c_int = 5;
 
 // Message types
-pub const RTM_ADD: ::c_int = 0x1;
-pub const RTM_DELETE: ::c_int = 0x2;
-pub const RTM_CHANGE: ::c_int = 0x3;
-pub const RTM_GET: ::c_int = 0x4;
-pub const RTM_LOSING: ::c_int = 0x5;
-pub const RTM_REDIRECT: ::c_int = 0x6;
-pub const RTM_MISS: ::c_int = 0x7;
 pub const RTM_LOCK: ::c_int = 0x8;
 pub const RTM_OLDADD: ::c_int = 0x9;
 pub const RTM_OLDDEL: ::c_int = 0xa;
@@ -5004,25 +4986,6 @@ pub const RTV_SSTHRESH: ::c_int = 0x20;
 pub const RTV_RTT: ::c_int = 0x40;
 pub const RTV_RTTVAR: ::c_int = 0x80;
 
-// Bitmask values for rtm_addrs.
-pub const RTA_DST: ::c_int = 0x1;
-pub const RTA_GATEWAY: ::c_int = 0x2;
-pub const RTA_NETMASK: ::c_int = 0x4;
-pub const RTA_GENMASK: ::c_int = 0x8;
-pub const RTA_IFP: ::c_int = 0x10;
-pub const RTA_IFA: ::c_int = 0x20;
-pub const RTA_AUTHOR: ::c_int = 0x40;
-pub const RTA_BRD: ::c_int = 0x80;
-
-// Index offsets for sockaddr array for alternate internal encoding.
-pub const RTAX_DST: ::c_int = 0;
-pub const RTAX_GATEWAY: ::c_int = 1;
-pub const RTAX_NETMASK: ::c_int = 2;
-pub const RTAX_GENMASK: ::c_int = 3;
-pub const RTAX_IFP: ::c_int = 4;
-pub const RTAX_IFA: ::c_int = 5;
-pub const RTAX_AUTHOR: ::c_int = 6;
-pub const RTAX_BRD: ::c_int = 7;
 pub const RTAX_MAX: ::c_int = 8;
 
 pub const KERN_PROCARGS2: ::c_int = 49;
diff --git a/src/unix/bsd/freebsdlike/dragonfly/mod.rs b/src/unix/bsd/freebsdlike/dragonfly/mod.rs
index 6ade7949afb0f..9b3b872d03948 100644
--- a/src/unix/bsd/freebsdlike/dragonfly/mod.rs
+++ b/src/unix/bsd/freebsdlike/dragonfly/mod.rs
@@ -1522,6 +1522,19 @@ pub const NGROUPS: usize = 16;
 pub const RB_PAUSE: ::c_int = 0x40000;
 pub const RB_VIDEO: ::c_int = 0x20000000;
 
+// net/route.h
+pub const RTF_CLONING: ::c_int = 0x100;
+pub const RTF_PRCLONING: ::c_int = 0x10000;
+pub const RTF_WASCLONED: ::c_int = 0x20000;
+pub const RTF_MPLSOPS: ::c_int = 0x1000000;
+
+pub const RTM_VERSION: ::c_int = 7;
+
+pub const RTAX_MPLS1: ::c_int = 8;
+pub const RTAX_MPLS2: ::c_int = 9;
+pub const RTAX_MPLS3: ::c_int = 10;
+pub const RTAX_MAX: ::c_int = 11;
+
 const_fn! {
     {const} fn _CMSG_ALIGN(n: usize) -> usize {
         (n + (::mem::size_of::<::c_long>() - 1)) & !(::mem::size_of::<::c_long>() - 1)
diff --git a/src/unix/bsd/freebsdlike/freebsd/mod.rs b/src/unix/bsd/freebsdlike/freebsd/mod.rs
index 3224ac8fef6e9..a15987df10775 100644
--- a/src/unix/bsd/freebsdlike/freebsd/mod.rs
+++ b/src/unix/bsd/freebsdlike/freebsd/mod.rs
@@ -2894,6 +2894,7 @@ pub const POSIX_FADV_DONTNEED: ::c_int = 4;
 pub const POSIX_FADV_NOREUSE: ::c_int = 5;
 
 pub const POLLINIGNEOF: ::c_short = 0x2000;
+pub const POLLRDHUP: ::c_short = 0x4000;
 
 pub const EVFILT_READ: i16 = -1;
 pub const EVFILT_WRITE: i16 = -2;
@@ -4742,6 +4743,14 @@ pub const CPU_WHICH_CPUSET: ::c_int = 3;
 pub const CPU_WHICH_IRQ: ::c_int = 4;
 pub const CPU_WHICH_JAIL: ::c_int = 5;
 
+// net/route.h
+pub const RTF_LLDATA: ::c_int = 0x400;
+pub const RTF_FIXEDMTU: ::c_int = 0x80000;
+
+pub const RTM_VERSION: ::c_int = 5;
+
+pub const RTAX_MAX: ::c_int = 8;
+
 // sys/signal.h
 pub const SIGTHR: ::c_int = 32;
 pub const SIGLWP: ::c_int = SIGTHR;
diff --git a/src/unix/bsd/freebsdlike/mod.rs b/src/unix/bsd/freebsdlike/mod.rs
index e0a0fbd01443f..86ade55353560 100644
--- a/src/unix/bsd/freebsdlike/mod.rs
+++ b/src/unix/bsd/freebsdlike/mod.rs
@@ -1017,6 +1017,25 @@ pub const SO_TYPE: ::c_int = 0x1008;
 
 pub const LOCAL_PEERCRED: ::c_int = 1;
 
+// net/route.h
+pub const RTF_XRESOLVE: ::c_int = 0x200;
+pub const RTF_LLINFO: ::c_int = 0x400;
+pub const RTF_PROTO3: ::c_int = 0x40000;
+pub const RTF_PINNED: ::c_int = 0x100000;
+pub const RTF_LOCAL: ::c_int = 0x200000;
+pub const RTF_BROADCAST: ::c_int = 0x400000;
+pub const RTF_MULTICAST: ::c_int = 0x800000;
+
+pub const RTM_LOCK: ::c_int = 0x8;
+pub const RTM_RESOLVE: ::c_int = 0xb;
+pub const RTM_NEWADDR: ::c_int = 0xc;
+pub const RTM_DELADDR: ::c_int = 0xd;
+pub const RTM_IFINFO: ::c_int = 0xe;
+pub const RTM_NEWMADDR: ::c_int = 0xf;
+pub const RTM_DELMADDR: ::c_int = 0x10;
+pub const RTM_IFANNOUNCE: ::c_int = 0x11;
+pub const RTM_IEEE80211: ::c_int = 0x12;
+
 pub const SHUT_RD: ::c_int = 0;
 pub const SHUT_WR: ::c_int = 1;
 pub const SHUT_RDWR: ::c_int = 2;
diff --git a/src/unix/bsd/mod.rs b/src/unix/bsd/mod.rs
index 7acda9076d1f0..b49a83862f292 100644
--- a/src/unix/bsd/mod.rs
+++ b/src/unix/bsd/mod.rs
@@ -543,6 +543,49 @@ pub const ITIMER_REAL: ::c_int = 0;
 pub const ITIMER_VIRTUAL: ::c_int = 1;
 pub const ITIMER_PROF: ::c_int = 2;
 
+// net/route.h
+
+pub const RTF_UP: ::c_int = 0x1;
+pub const RTF_GATEWAY: ::c_int = 0x2;
+pub const RTF_HOST: ::c_int = 0x4;
+pub const RTF_REJECT: ::c_int = 0x8;
+pub const RTF_DYNAMIC: ::c_int = 0x10;
+pub const RTF_MODIFIED: ::c_int = 0x20;
+pub const RTF_DONE: ::c_int = 0x40;
+pub const RTF_STATIC: ::c_int = 0x800;
+pub const RTF_BLACKHOLE: ::c_int = 0x1000;
+pub const RTF_PROTO2: ::c_int = 0x4000;
+pub const RTF_PROTO1: ::c_int = 0x8000;
+
+// Message types
+pub const RTM_ADD: ::c_int = 0x1;
+pub const RTM_DELETE: ::c_int = 0x2;
+pub const RTM_CHANGE: ::c_int = 0x3;
+pub const RTM_GET: ::c_int = 0x4;
+pub const RTM_LOSING: ::c_int = 0x5;
+pub const RTM_REDIRECT: ::c_int = 0x6;
+pub const RTM_MISS: ::c_int = 0x7;
+
+// Bitmask values for rtm_addrs.
+pub const RTA_DST: ::c_int = 0x1;
+pub const RTA_GATEWAY: ::c_int = 0x2;
+pub const RTA_NETMASK: ::c_int = 0x4;
+pub const RTA_GENMASK: ::c_int = 0x8;
+pub const RTA_IFP: ::c_int = 0x10;
+pub const RTA_IFA: ::c_int = 0x20;
+pub const RTA_AUTHOR: ::c_int = 0x40;
+pub const RTA_BRD: ::c_int = 0x80;
+
+// Index offsets for sockaddr array for alternate internal encoding.
+pub const RTAX_DST: ::c_int = 0;
+pub const RTAX_GATEWAY: ::c_int = 1;
+pub const RTAX_NETMASK: ::c_int = 2;
+pub const RTAX_GENMASK: ::c_int = 3;
+pub const RTAX_IFP: ::c_int = 4;
+pub const RTAX_IFA: ::c_int = 5;
+pub const RTAX_AUTHOR: ::c_int = 6;
+pub const RTAX_BRD: ::c_int = 7;
+
 f! {
     pub fn CMSG_FIRSTHDR(mhdr: *const ::msghdr) -> *mut ::cmsghdr {
         if (*mhdr).msg_controllen as usize >= ::mem::size_of::<::cmsghdr>() {
diff --git a/src/unix/bsd/netbsdlike/netbsd/mod.rs b/src/unix/bsd/netbsdlike/netbsd/mod.rs
index 0517a47b69c30..da96d092b4062 100644
--- a/src/unix/bsd/netbsdlike/netbsd/mod.rs
+++ b/src/unix/bsd/netbsdlike/netbsd/mod.rs
@@ -1886,6 +1886,8 @@ pub const MNT_NOWAIT: ::c_int = 2;
 pub const MNT_LAZY: ::c_int = 3;
 
 //<sys/timex.h>
+pub const CLOCK_PROCESS_CPUTIME_ID: ::clockid_t = 2;
+pub const CLOCK_THREAD_CPUTIME_ID: ::clockid_t = 4;
 pub const NTP_API: ::c_int = 4;
 pub const MAXPHASE: ::c_long = 500000000;
 pub const MAXFREQ: ::c_long = 500000;
@@ -2422,6 +2424,33 @@ cfg_if! {
     }
 }
 
+// net/route.h
+pub const RTF_MASK: ::c_int = 0x80;
+pub const RTF_CONNECTED: ::c_int = 0x100;
+pub const RTF_ANNOUNCE: ::c_int = 0x20000;
+pub const RTF_SRC: ::c_int = 0x10000;
+pub const RTF_LOCAL: ::c_int = 0x40000;
+pub const RTF_BROADCAST: ::c_int = 0x80000;
+pub const RTF_UPDATING: ::c_int = 0x100000;
+pub const RTF_DONTCHANGEIFA: ::c_int = 0x200000;
+
+pub const RTM_VERSION: ::c_int = 4;
+pub const RTM_LOCK: ::c_int = 0x8;
+pub const RTM_IFANNOUNCE: ::c_int = 0x10;
+pub const RTM_IEEE80211: ::c_int = 0x11;
+pub const RTM_SETGATE: ::c_int = 0x12;
+pub const RTM_LLINFO_UPD: ::c_int = 0x13;
+pub const RTM_IFINFO: ::c_int = 0x14;
+pub const RTM_OCHGADDR: ::c_int = 0x15;
+pub const RTM_NEWADDR: ::c_int = 0x16;
+pub const RTM_DELADDR: ::c_int = 0x17;
+pub const RTM_CHGADDR: ::c_int = 0x18;
+
+pub const RTA_TAG: ::c_int = 0x100;
+
+pub const RTAX_TAG: ::c_int = 8;
+pub const RTAX_MAX: ::c_int = 9;
+
 const_fn! {
     {const} fn _ALIGN(p: usize) -> usize {
         (p + _ALIGNBYTES) & !_ALIGNBYTES
@@ -2668,6 +2697,11 @@ extern "C" {
         newp: *const ::c_void,
         newlen: ::size_t,
     ) -> ::c_int;
+    pub fn sysctlnametomib(
+        sname: *const ::c_char,
+        name: *mut ::c_int,
+        namelenp: *mut ::size_t,
+    ) -> ::c_int;
     #[link_name = "__kevent50"]
     pub fn kevent(
         kq: ::c_int,
diff --git a/src/unix/bsd/netbsdlike/openbsd/mod.rs b/src/unix/bsd/netbsdlike/openbsd/mod.rs
index 8f470aff9a357..259f9e06024d1 100644
--- a/src/unix/bsd/netbsdlike/openbsd/mod.rs
+++ b/src/unix/bsd/netbsdlike/openbsd/mod.rs
@@ -1916,6 +1916,62 @@ pub const RB_RESET: ::c_int = 0x08000;
 pub const RB_GOODRANDOM: ::c_int = 0x10000;
 pub const RB_UNHIBERNATE: ::c_int = 0x20000;
 
+// net/route.h
+pub const RTF_CLONING: ::c_int = 0x100;
+pub const RTF_MULTICAST: ::c_int = 0x200;
+pub const RTF_LLINFO: ::c_int = 0x400;
+pub const RTF_PROTO3: ::c_int = 0x2000;
+pub const RTF_ANNOUNCE: ::c_int = ::RTF_PROTO2;
+
+pub const RTF_CLONED: ::c_int = 0x10000;
+pub const RTF_CACHED: ::c_int = 0x20000;
+pub const RTF_MPATH: ::c_int = 0x40000;
+pub const RTF_MPLS: ::c_int = 0x100000;
+pub const RTF_LOCAL: ::c_int = 0x200000;
+pub const RTF_BROADCAST: ::c_int = 0x400000;
+pub const RTF_CONNECTED: ::c_int = 0x800000;
+pub const RTF_BFD: ::c_int = 0x1000000;
+pub const RTF_FMASK: ::c_int = ::RTF_LLINFO
+    | ::RTF_PROTO1
+    | ::RTF_PROTO2
+    | ::RTF_PROTO3
+    | ::RTF_BLACKHOLE
+    | ::RTF_REJECT
+    | ::RTF_STATIC
+    | ::RTF_MPLS
+    | ::RTF_BFD;
+
+pub const RTM_VERSION: ::c_int = 5;
+pub const RTM_RESOLVE: ::c_int = 0xb;
+pub const RTM_NEWADDR: ::c_int = 0xc;
+pub const RTM_DELADDR: ::c_int = 0xd;
+pub const RTM_IFINFO: ::c_int = 0xe;
+pub const RTM_IFANNOUNCE: ::c_int = 0xf;
+pub const RTM_DESYNC: ::c_int = 0x10;
+pub const RTM_INVALIDATE: ::c_int = 0x11;
+pub const RTM_BFD: ::c_int = 0x12;
+pub const RTM_PROPOSAL: ::c_int = 0x13;
+pub const RTM_CHGADDRATTR: ::c_int = 0x14;
+pub const RTM_80211INFO: ::c_int = 0x15;
+pub const RTM_SOURCE: ::c_int = 0x16;
+
+pub const RTA_SRC: ::c_int = 0x100;
+pub const RTA_SRCMASK: ::c_int = 0x200;
+pub const RTA_LABEL: ::c_int = 0x400;
+pub const RTA_BFD: ::c_int = 0x800;
+pub const RTA_DNS: ::c_int = 0x1000;
+pub const RTA_STATIC: ::c_int = 0x2000;
+pub const RTA_SEARCH: ::c_int = 0x4000;
+
+pub const RTAX_SRC: ::c_int = 8;
+pub const RTAX_SRCMASK: ::c_int = 9;
+pub const RTAX_LABEL: ::c_int = 10;
+pub const RTAX_BFD: ::c_int = 11;
+pub const RTAX_DNS: ::c_int = 12;
+pub const RTAX_STATIC: ::c_int = 13;
+pub const RTAX_SEARCH: ::c_int = 14;
+pub const RTAX_MAX: ::c_int = 15;
+
 const_fn! {
     {const} fn _ALIGN(p: usize) -> usize {
         (p + _ALIGNBYTES) & !_ALIGNBYTES
diff --git a/src/unix/solarish/illumos.rs b/src/unix/solarish/illumos.rs
index ef3862ee41b34..614fd12eb07eb 100644
--- a/src/unix/solarish/illumos.rs
+++ b/src/unix/solarish/illumos.rs
@@ -28,6 +28,8 @@ pub const EFD_SEMAPHORE: ::c_int = 0x1;
 pub const EFD_NONBLOCK: ::c_int = 0x800;
 pub const EFD_CLOEXEC: ::c_int = 0x80000;
 
+pub const POLLRDHUP: ::c_short = 0x4000;
+
 pub const TCP_KEEPIDLE: ::c_int = 34;
 pub const TCP_KEEPCNT: ::c_int = 35;
 pub const TCP_KEEPINTVL: ::c_int = 36;
@@ -56,6 +58,13 @@ pub const SOL_FILTER: ::c_int = 0xfffc;
 
 pub const MADV_PURGE: ::c_int = 9;
 
+pub const POSIX_FADV_NORMAL: ::c_int = 0;
+pub const POSIX_FADV_RANDOM: ::c_int = 1;
+pub const POSIX_FADV_SEQUENTIAL: ::c_int = 2;
+pub const POSIX_FADV_WILLNEED: ::c_int = 3;
+pub const POSIX_FADV_DONTNEED: ::c_int = 4;
+pub const POSIX_FADV_NOREUSE: ::c_int = 5;
+
 pub const B1000000: ::speed_t = 24;
 pub const B1152000: ::speed_t = 25;
 pub const B1500000: ::speed_t = 26;
@@ -96,8 +105,11 @@ extern "C" {
         stackaddr: *mut ::c_void,
     ) -> ::c_int;
 
+    pub fn posix_fadvise(fd: ::c_int, offset: ::off_t, len: ::off_t, advice: ::c_int) -> ::c_int;
     pub fn preadv(fd: ::c_int, iov: *const ::iovec, iovcnt: ::c_int, offset: ::off_t) -> ::ssize_t;
     pub fn pwritev(fd: ::c_int, iov: *const ::iovec, iovcnt: ::c_int, offset: ::off_t)
         -> ::ssize_t;
     pub fn getpagesizes2(pagesize: *mut ::size_t, nelem: ::c_int) -> ::c_int;
+
+    pub fn ptsname_r(fildes: ::c_int, name: *mut ::c_char, namelen: ::size_t) -> ::c_int;
 }
diff --git a/src/unix/solarish/mod.rs b/src/unix/solarish/mod.rs
index 63056bfbd7c7c..1cc6c429bc2d1 100644
--- a/src/unix/solarish/mod.rs
+++ b/src/unix/solarish/mod.rs
@@ -1307,6 +1307,7 @@ pub const O_RDWR: ::c_int = 2;
 pub const O_NDELAY: ::c_int = 0x04;
 pub const O_APPEND: ::c_int = 8;
 pub const O_DSYNC: ::c_int = 0x40;
+pub const O_RSYNC: ::c_int = 0x8000;
 pub const O_CREAT: ::c_int = 256;
 pub const O_EXCL: ::c_int = 1024;
 pub const O_NOCTTY: ::c_int = 2048;
@@ -2168,7 +2169,7 @@ pub const PTHREAD_RWLOCK_INITIALIZER: pthread_rwlock_t = pthread_rwlock_t {
 pub const PTHREAD_MUTEX_NORMAL: ::c_int = 0;
 pub const PTHREAD_MUTEX_ERRORCHECK: ::c_int = 2;
 pub const PTHREAD_MUTEX_RECURSIVE: ::c_int = 4;
-pub const PTHREAD_MUTEX_DEFAULT: ::c_int = PTHREAD_MUTEX_NORMAL;
+pub const PTHREAD_MUTEX_DEFAULT: ::c_int = ::PTHREAD_MUTEX_NORMAL;
 
 pub const RTLD_NEXT: *mut ::c_void = -1isize as *mut ::c_void;
 pub const RTLD_DEFAULT: *mut ::c_void = -2isize as *mut ::c_void;
@@ -2846,6 +2847,7 @@ extern "C" {
     #[cfg_attr(target_os = "illumos", link_name = "_globfree_ext")]
     pub fn globfree(pglob: *mut ::glob_t);
 
+    pub fn posix_fallocate(fd: ::c_int, offset: ::off_t, len: ::off_t) -> ::c_int;
     pub fn posix_madvise(addr: *mut ::c_void, len: ::size_t, advice: ::c_int) -> ::c_int;
 
     pub fn shmat(shmid: ::c_int, shmaddr: *const ::c_void, shmflg: ::c_int) -> *mut ::c_void;
diff --git a/src/vxworks/mod.rs b/src/vxworks/mod.rs
index 314283410aed6..f7adb5d682e5e 100644
--- a/src/vxworks/mod.rs
+++ b/src/vxworks/mod.rs
@@ -253,7 +253,7 @@ s! {
     }
 
     // b_struct__Sched_param.h
-    pub struct _Sched_param {
+    pub struct sched_param {
         pub sched_priority: ::c_int, /* scheduling priority */
         pub sched_ss_low_priority: ::c_int,    /* low scheduling priority */
         pub sched_ss_repl_period: ::_Timespec, /* replenishment period */
@@ -274,7 +274,7 @@ s! {
         pub threadAttrSchedpolicy     : ::c_int,
         pub threadAttrName            : *mut ::c_char,
         pub threadAttrOptions         : ::c_int,
-        pub threadAttrSchedparam      : ::_Sched_param,
+        pub threadAttrSchedparam      : ::sched_param,
     }
 
     // signal.h
@@ -613,6 +613,19 @@ pub const PTHREAD_MUTEX_DEFAULT: ::c_int = PTHREAD_MUTEX_NORMAL;
 pub const PTHREAD_STACK_MIN: usize = 4096;
 pub const _PTHREAD_SHARED_SEM_NAME_MAX: usize = 30;
 
+//sched.h
+pub const SCHED_FIFO: ::c_int = 0x01;
+pub const SCHED_RR: ::c_int = 0x02;
+pub const SCHED_OTHER: ::c_int = 0x04;
+pub const SCHED_SPORADIC: ::c_int = 0x08;
+pub const PRIO_PROCESS: ::c_uint = 0;
+pub const SCHED_FIFO_HIGH_PRI: ::c_int = 255;
+pub const SCHED_FIFO_LOW_PRI: ::c_int = 0;
+pub const SCHED_RR_HIGH_PRI: ::c_int = 255;
+pub const SCHED_RR_LOW_PRI: ::c_int = 0;
+pub const SCHED_SPORADIC_HIGH_PRI: ::c_int = 255;
+pub const SCHED_SPORADIC_LOW_PRI: ::c_int = 0;
+
 // ERRNO STUFF
 pub const ERROR: ::c_int = -1;
 pub const OK: ::c_int = 0;
@@ -1388,6 +1401,29 @@ extern "C" {
         value: *mut ::c_void,
     ) -> ::c_int;
 
+    //pthread.h
+    pub fn pthread_setschedparam(
+        native: ::pthread_t,
+        policy: ::c_int,
+        param: *const ::sched_param,
+    ) -> ::c_int;
+
+    //pthread.h
+    pub fn pthread_getschedparam(
+        native: ::pthread_t,
+        policy: *mut ::c_int,
+        param: *mut ::sched_param,
+    ) -> ::c_int;
+
+    //pthread.h
+    pub fn pthread_attr_setinheritsched(
+        attr: *mut ::pthread_attr_t,
+        inheritsched: ::c_int,
+    ) -> ::c_int;
+
+    //pthread.h
+    pub fn pthread_attr_setschedpolicy(attr: *mut ::pthread_attr_t, policy: ::c_int) -> ::c_int;
+
     // pthread.h
     pub fn pthread_attr_destroy(thread: *mut ::pthread_attr_t) -> ::c_int;
 
@@ -1400,6 +1436,7 @@ extern "C" {
         parent: ::Option<unsafe extern "C" fn()>,
         child: ::Option<unsafe extern "C" fn()>,
     ) -> ::c_int;
+
     // stat.h
     pub fn fstat(fildes: ::c_int, buf: *mut stat) -> ::c_int;
 
@@ -1754,6 +1791,31 @@ extern "C" {
     // dirent.h
     pub fn closedir(ptr: *mut ::DIR) -> ::c_int;
 
+    //sched.h
+    pub fn sched_get_priority_max(policy: ::c_int) -> ::c_int;
+
+    //sched.h
+    pub fn sched_get_priority_min(policy: ::c_int) -> ::c_int;
+
+    //sched.h
+    pub fn sched_setparam(pid: ::pid_t, param: *const ::sched_param) -> ::c_int;
+
+    //sched.h
+    pub fn sched_getparam(pid: ::pid_t, param: *mut ::sched_param) -> ::c_int;
+
+    //sched.h
+    pub fn sched_setscheduler(
+        pid: ::pid_t,
+        policy: ::c_int,
+        param: *const ::sched_param,
+    ) -> ::c_int;
+
+    //sched.h
+    pub fn sched_getscheduler(pid: ::pid_t) -> ::c_int;
+
+    //sched.h
+    pub fn sched_rr_get_interval(pid: ::pid_t, tp: *mut ::timespec) -> ::c_int;
+
     // sched.h
     pub fn sched_yield() -> ::c_int;
 
@@ -1878,8 +1940,8 @@ extern "C" {
     pub fn mq_setattr(mqd: ::mqd_t, newattr: *const ::mq_attr, oldattr: *mut ::mq_attr) -> ::c_int;
 
     // vxCpuLib.h
-    fn vxCpuEnabledGet() -> ::cpuset_t; // Get set of running CPU's in the system
-    fn vxCpuConfiguredGet() -> ::cpuset_t; // Get set of Configured CPU's in the system
+    pub fn vxCpuEnabledGet() -> ::cpuset_t; // Get set of running CPU's in the system
+    pub fn vxCpuConfiguredGet() -> ::cpuset_t; // Get set of Configured CPU's in the system
 }
 
 //Dummy functions, these don't really exist in VxWorks.
@@ -1980,6 +2042,12 @@ cfg_if! {
     } else if #[cfg(target_arch = "powerpc64")] {
         mod powerpc64;
         pub use self::powerpc64::*;
+    } else if #[cfg(target_arch = "riscv32")] {
+        mod riscv32;
+        pub use self::riscv32::*;
+    } else if #[cfg(target_arch = "riscv64")] {
+        mod riscv64;
+        pub use self::riscv64::*;
     } else {
         // Unknown target_arch
     }
diff --git a/src/vxworks/riscv32.rs b/src/vxworks/riscv32.rs
new file mode 100644
index 0000000000000..e617bb83c6ce3
--- /dev/null
+++ b/src/vxworks/riscv32.rs
@@ -0,0 +1,4 @@
+pub type c_char = i8;
+pub type wchar_t = i32;
+pub type c_long = i32;
+pub type c_ulong = u32;
diff --git a/src/vxworks/riscv64.rs b/src/vxworks/riscv64.rs
new file mode 100644
index 0000000000000..5e95ea2567ddf
--- /dev/null
+++ b/src/vxworks/riscv64.rs
@@ -0,0 +1,4 @@
+pub type c_char = i8;
+pub type wchar_t = i32;
+pub type c_long = i64;
+pub type c_ulong = u64;