From 52371f4b16c76001e054761023a6ef4e817d42ad Mon Sep 17 00:00:00 2001
From: David Carlier <devnexen@gmail.com>
Date: Wed, 28 Jul 2021 18:22:19 +0100
Subject: [PATCH] thread set_name haiku implementation.

---
 library/std/src/sys/unix/thread.rs | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/library/std/src/sys/unix/thread.rs b/library/std/src/sys/unix/thread.rs
index 1488bf94841de..bc61f472a2b05 100644
--- a/library/std/src/sys/unix/thread.rs
+++ b/library/std/src/sys/unix/thread.rs
@@ -164,16 +164,23 @@ impl Thread {
         }
     }
 
+    #[cfg(target_os = "haiku")]
+    pub fn set_name(name: &CStr) {
+        unsafe {
+            let thread_self = libc::find_thread(ptr::null_mut());
+            libc::rename_thread(thread_self, name.as_ptr());
+        }
+    }
+
     #[cfg(any(
         target_env = "newlib",
-        target_os = "haiku",
         target_os = "l4re",
         target_os = "emscripten",
         target_os = "redox",
         target_os = "vxworks"
     ))]
     pub fn set_name(_name: &CStr) {
-        // Newlib, Haiku, Emscripten, and VxWorks have no way to set a thread name.
+        // Newlib, Emscripten, and VxWorks have no way to set a thread name.
     }
 
     pub fn sleep(dur: Duration) {