Auto merge of #2885 - devnexen:cpuset_flags_fbsd, r=JohnTitor

freebsd cpuset affinity flags.

Author: bors

libc-test/semver/freebsd.txt

@@ -169,7 +169,15 @@ CODESET
 CPU_CLR
 CPU_COUNT
 CPU_ISSET
+CPU_LEVEL_CPUSET
+CPU_LEVEL_ROOT
+CPU_LEVEL_WHICH
 CPU_SET
+CPU_WHICH_CPUSET
+CPU_WHICH_IRQ
+CPU_WHICH_JAIL
+CPU_WHICH_PID
+CPU_WHICH_TID
 CPU_ZERO
 CRNCYSTR
 CRTSCTS

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

@@ -3704,6 +3704,16 @@ pub const UMTX_OP_ROBUST_LISTS: ::c_int = 26;
 
 pub const UMTX_ABSTIME: u32 = 1;
 
+pub const CPU_LEVEL_ROOT: ::c_int = 1;
+pub const CPU_LEVEL_CPUSET: ::c_int = 2;
+pub const CPU_LEVEL_WHICH: ::c_int = 3;
+
+pub const CPU_WHICH_TID: ::c_int = 1;
+pub const CPU_WHICH_PID: ::c_int = 2;
+pub const CPU_WHICH_CPUSET: ::c_int = 3;
+pub const CPU_WHICH_IRQ: ::c_int = 4;
+pub const CPU_WHICH_JAIL: ::c_int = 5;
+
 const_fn! {
     {const} fn _ALIGN(p: usize) -> usize {
         (p + _ALIGNBYTES) & !_ALIGNBYTES