From 46655156dcc37509dcb69fcd0717c110eb1c624a Mon Sep 17 00:00:00 2001
From: "NARUSE, Yui" <naruse@airemix.jp>
Date: Sat, 22 May 2021 21:36:27 +0900
Subject: Add Thread#native_thread_id [Feature #17853]

---
 thread_win32.c | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'thread_win32.c')

diff --git a/thread_win32.c b/thread_win32.c
index 8b5120be3c..fc31c09ec3 100644
--- a/thread_win32.c
+++ b/thread_win32.c
@@ -835,6 +835,14 @@ native_set_thread_name(rb_thread_t *th)
 {
 }
 
+static VALUE
+native_thread_native_thread_id(rb_thread_t *th)
+{
+    DWORD tid = GetThreadId(th->thread_id);
+    if (tid == 0) rb_sys_fail("GetThreadId");
+    return ULONG2NUM(tid);
+}
+
 #if USE_MJIT
 static unsigned long __stdcall
 mjit_worker(void *arg)
-- 
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