Auto merge of #2475 - devnexen:fbsd_numa_domain, r=JohnTitor

freebsd add numa domain api

Author: bors

libc-test/build.rs

@@ -1814,6 +1814,7 @@ fn test_freebsd(target: &str) {
                 "sys/capsicum.h",
                 [freebsdlast]:"sys/auxv.h",
                 "sys/cpuset.h",
+                [freebsdlast]:"sys/domainset.h",
                 "sys/event.h",
                 "sys/extattr.h",
                 "sys/file.h",

src/unix/bsd/freebsdlike/freebsd/freebsd13/mod.rs

@@ -6,6 +6,7 @@ pub type ino_t = ::c_ulong;
 pub type shmatt_t = ::c_uint;
 pub type kpaddr_t = u64;
 pub type kssize_t = i64;
+pub type domainset_t = __c_anonymous_domainset;
 
 s! {
     pub struct shmid_ds {
@@ -49,6 +50,10 @@ s! {
         pub kp_offset: ::off_t,
         pub kp_len: ::size_t,
     }
+
+    pub struct __c_anonymous_domainset {
+        _priv: [::uintptr_t; 4],
+    }
 }
 
 s_no_extra_traits! {
@@ -222,6 +227,13 @@ pub const KF_TYPE_EVENTFD: ::c_int = 13;
 pub const SPECNAMELEN: ::c_int = 255;
 pub const KI_NSPARE_PTR: usize = 5;
 
+/// domainset policies
+pub const DOMAINSET_POLICY_INVALID: ::c_int = 0;
+pub const DOMAINSET_POLICY_ROUNDROBIN: ::c_int = 1;
+pub const DOMAINSET_POLICY_FIRSTTOUCH: ::c_int = 2;
+pub const DOMAINSET_POLICY_PREFER: ::c_int = 3;
+pub const DOMAINSET_POLICY_INTERLEAVE: ::c_int = 4;
+
 f! {
     pub fn SOCKCRED2SIZE(ngrps: usize) -> usize {
         let ngrps = if ngrps > 0 {
@@ -261,6 +273,23 @@ extern "C" {
     pub fn setproctitle_fast(fmt: *const ::c_char, ...);
     pub fn timingsafe_bcmp(a: *const ::c_void, b: *const ::c_void, len: ::size_t) -> ::c_int;
     pub fn timingsafe_memcmp(a: *const ::c_void, b: *const ::c_void, len: ::size_t) -> ::c_int;
+
+    pub fn cpuset_getdomain(
+        level: ::cpulevel_t,
+        which: ::cpuwhich_t,
+        id: ::id_t,
+        setsize: ::size_t,
+        mask: *mut ::domainset_t,
+        policy: *mut ::c_int,
+    ) -> ::c_int;
+    pub fn cpuset_setdomain(
+        level: ::cpulevel_t,
+        which: ::cpuwhich_t,
+        id: ::id_t,
+        setsize: ::size_t,
+        mask: *const ::domainset_t,
+        policy: ::c_int,
+    ) -> ::c_int;
 }
 
 #[link(name = "kvm")]