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runtime: correct a drifted comment in referencing m->locked.

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Change-Id: Ida4b98aa63e57594fa6fa0b8178106bac9b3cd19
Reviewed-on: https://go-review.googlesource.com/10837
Reviewed-by: Minux Ma <minux@golang.org>
This commit is contained in:
Yongjian Xu 2015-06-09 22:51:25 -07:00 • committed by Minux Ma
parent e861c9ba36
commit 93e57a22d5
1 changed files with 1 additions and 1 deletions
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src/runtime/runtime2.go
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@ -464,7 +464,7 @@ type schedt struct {
// The m->locked word holds two pieces of state counting active calls to LockOSThread/lockOSThread.
// The low bit (LockExternal) is a boolean reporting whether any LockOSThread call is active.
// External locks are not recursive; a second lock is silently ignored.
// The upper bits of m->lockedcount record the nesting depth of calls to lockOSThread
// The upper bits of m->locked record the nesting depth of calls to lockOSThread
// (counting up by LockInternal), popped by unlockOSThread (counting down by LockInternal).
// Internal locks can be recursive. For instance, a lock for cgo can occur while the main
// goroutine is holding the lock during the initialization phase.