Auto merge of #2239 - devnexen:fbsd_pthread_affinity, r=Amanieu

freebsd adding pthread affinity np api

Author: bors

libc-test/semver/freebsd.txt

@@ -1547,6 +1547,7 @@ pthread_condattr_getclock
 pthread_condattr_getpshared
 pthread_condattr_setclock
 pthread_condattr_setpshared
+pthread_getaffinity_np
 pthread_getthreadid_np
 pthread_kill
 pthread_main_np
@@ -1555,6 +1556,7 @@ pthread_mutexattr_getpshared
 pthread_mutexattr_setpshared
 pthread_rwlockattr_getpshared
 pthread_rwlockattr_setpshared
+pthread_setaffinity_np
 pthread_set_name_np
 ptrace
 ptrace_io_desc

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

@@ -1567,6 +1567,16 @@ extern "C" {
     ) -> ::c_int;
 
     pub fn pthread_getthreadid_np() -> ::c_int;
+    pub fn pthread_getaffinity_np(
+        td: ::pthread_t,
+        cpusetsize: ::size_t,
+        cpusetp: *mut cpuset_t,
+    ) -> ::c_int;
+    pub fn pthread_setaffinity_np(
+        td: ::pthread_t,
+        cpusetsize: ::size_t,
+        cpusetp: *const cpuset_t,
+    ) -> ::c_int;
 
     #[cfg_attr(all(target_os = "freebsd", freebsd11), link_name = "statfs@FBSD_1.0")]
     pub fn statfs(path: *const ::c_char, buf: *mut statfs) -> ::c_int;