diff --git a/libc-test/semver/dragonfly.txt b/libc-test/semver/dragonfly.txt
index f63e2bf9112b8..b9c8e7ee6180c 100644
--- a/libc-test/semver/dragonfly.txt
+++ b/libc-test/semver/dragonfly.txt
@@ -1455,6 +1455,7 @@ pthread_condattr_getpshared
 pthread_condattr_setclock
 pthread_condattr_setpshared
 pthread_get_name_np
+pthread_getname_np
 pthread_getcpuclockid
 pthread_kill
 pthread_main_np
@@ -1464,6 +1465,7 @@ pthread_mutexattr_setpshared
 pthread_rwlockattr_getpshared
 pthread_rwlockattr_setpshared
 pthread_set_name_np
+pthread_setname_np
 pthread_spin_destroy
 pthread_spin_init
 pthread_spin_lock
diff --git a/libc-test/semver/freebsd.txt b/libc-test/semver/freebsd.txt
index 42439f7f3e00b..43de5c8ccdb8c 100644
--- a/libc-test/semver/freebsd.txt
+++ b/libc-test/semver/freebsd.txt
@@ -2029,6 +2029,7 @@ pthread_condattr_getpshared
 pthread_condattr_setclock
 pthread_condattr_setpshared
 pthread_get_name_np
+pthread_getname_np
 pthread_getaffinity_np
 pthread_getcpuclockid
 pthread_getthreadid_np
@@ -2044,6 +2045,7 @@ pthread_rwlockattr_getpshared
 pthread_rwlockattr_setpshared
 pthread_setaffinity_np
 pthread_set_name_np
+pthread_setname_np
 pthread_getschedparam
 pthread_setschedparam
 pthread_spin_destroy
diff --git a/src/unix/bsd/freebsdlike/mod.rs b/src/unix/bsd/freebsdlike/mod.rs
index 313bf588d72b4..d2cd7794b107e 100644
--- a/src/unix/bsd/freebsdlike/mod.rs
+++ b/src/unix/bsd/freebsdlike/mod.rs
@@ -1646,6 +1646,12 @@ extern "C" {
     pub fn pthread_barrier_wait(barrier: *mut pthread_barrier_t) -> ::c_int;
     pub fn pthread_get_name_np(tid: ::pthread_t, name: *mut ::c_char, len: ::size_t);
     pub fn pthread_set_name_np(tid: ::pthread_t, name: *const ::c_char);
+    pub fn pthread_getname_np(
+        thread: ::pthread_t,
+        buffer: *mut ::c_char,
+        length: ::size_t,
+    ) -> ::c_int;
+    pub fn pthread_setname_np(thread: ::pthread_t, name: *const ::c_char) -> ::c_int;
     pub fn pthread_setschedparam(
         native: ::pthread_t,
         policy: ::c_int,