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runtime: eliminate unused _Genqueue state

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_Genqueue and _Gscanenqueue were introduced as part of the GC quiesce
code. The quiesce code was removed by 197aa9e, but these states and
some associated code stuck around. Remove them.

Change-Id: I69df81881602d4a431556513dac2959668d27c20
Reviewed-on: https://go-review.googlesource.com/19638
Reviewed-by: Rick Hudson <rlh@golang.org>
Run-TryBot: Austin Clements <austin@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
This commit is contained in:
Austin Clements 2016-02-18 09:38:49 -05:00
parent 4eb33f6b8d
commit cbe849fc38
3 changed files with 3 additions and 22 deletions
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4
src/runtime/runtime2.go
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@ -26,7 +26,7 @@ const (
_Gwaiting // 4
_Gmoribund_unused // 5 currently unused, but hardcoded in gdb scripts
_Gdead // 6
_Genqueue // 7 Only the Gscanenqueue is used.
_Genqueue_unused // 7 currently unused
_Gcopystack // 8 in this state when newstack is moving the stack
// the following encode that the GC is scanning the stack and what to do when it is done
_Gscan = 0x1000 // atomicstatus&~Gscan = the non-scan state,
@ -37,7 +37,7 @@ const (
_Gscanwaiting = _Gscan + _Gwaiting // 0x1004 When scanning completes make it Gwaiting
// _Gscanmoribund_unused, // not possible
// _Gscandead, // not possible
_Gscanenqueue = _Gscan + _Genqueue // When scanning completes make it Grunnable and put on runqueue
// _Gscanenqueue_unused // not possible
)
const (