runtime: move m.thread to mOS
This field is only used on Windows.
Change-Id: I12d4df09261f8e7ad54c2abd7beda669af28c8e7
Reviewed-on: https://go-review.googlesource.com/c/go/+/207778
Run-TryBot: Austin Clements <austin@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
Reviewed-by: Alex Brainman <alex.brainman@gmail.com>
diff --git a/src/runtime/os_windows.go b/src/runtime/os_windows.go
index 58e13ac..b4df083 100644
--- a/src/runtime/os_windows.go
+++ b/src/runtime/os_windows.go
@@ -143,6 +143,8 @@
func ctrlhandler()
type mOS struct {
+ thread uintptr // thread handle; accessed atomically
+
waitsema uintptr // semaphore for parking on locks
resumesema uintptr // semaphore to indicate suspend/resume
}
diff --git a/src/runtime/runtime2.go b/src/runtime/runtime2.go
index fe1147e..3f9e51c 100644
--- a/src/runtime/runtime2.go
+++ b/src/runtime/runtime2.go
@@ -522,8 +522,7 @@
waittraceskip int
startingtrace bool
syscalltick uint32
- thread uintptr // thread handle
- freelink *m // on sched.freem
+ freelink *m // on sched.freem
// these are here because they are too large to be on the stack
// of low-level NOSPLIT functions.
