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runtime: convert netpoll netpollInited to atomic type

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Updates #53821

Change-Id: Ifa2e5f5d4047117b1887c1e56851355547bb4f33
Reviewed-on: https://go-review.googlesource.com/c/go/+/423881
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: Keith Randall <khr@google.com>
Auto-Submit: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: Michael Pratt <mpratt@google.com>
This commit is contained in:
Cuong Manh Le 2022-08-17 16:27:01 +07:00
parent 04d8c2327d
commit dea67a9b34
3 changed files with 9 additions and 9 deletions
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10
src/runtime/netpoll.go
View File

@ -177,7 +177,7 @@ type pollCache struct {
var ( var (
netpollInitLock mutex netpollInitLock mutex
netpollInited uint32 netpollInited atomic.Uint32
pollcache pollCache pollcache pollCache
netpollWaiters uint32 netpollWaiters uint32
@ -189,19 +189,19 @@ func poll_runtime_pollServerInit() {
} }
func netpollGenericInit() { func netpollGenericInit() {
if atomic.Load(&netpollInited) == 0 { if netpollInited.Load() == 0 {
lockInit(&netpollInitLock, lockRankNetpollInit) lockInit(&netpollInitLock, lockRankNetpollInit)
lock(&netpollInitLock) lock(&netpollInitLock)
if netpollInited == 0 { if netpollInited.Load() == 0 {
netpollinit() netpollinit()
atomic.Store(&netpollInited, 1) netpollInited.Store(1)
} }
unlock(&netpollInitLock) unlock(&netpollInitLock)
} }
} }
func netpollinited() bool { func netpollinited() bool {
return atomic.Load(&netpollInited) != 0 return netpollInited.Load() != 0
} }
//go:linkname poll_runtime_isPollServerDescriptor internal/poll.runtime_isPollServerDescriptor //go:linkname poll_runtime_isPollServerDescriptor internal/poll.runtime_isPollServerDescriptor

6
src/runtime/netpoll_stub.go
View File

@ -8,7 +8,7 @@ package runtime
import "runtime/internal/atomic" import "runtime/internal/atomic"
var netpollInited uint32 var netpollInited atomic.Uint32
var netpollWaiters uint32 var netpollWaiters uint32
var netpollStubLock mutex var netpollStubLock mutex
@ -19,7 +19,7 @@ var netpollBrokenLock mutex
var netpollBroken bool var netpollBroken bool
func netpollGenericInit() { func netpollGenericInit() {
atomic.Store(&netpollInited, 1) netpollInited.Store(1)
} }
func netpollBreak() { func netpollBreak() {
@ -57,5 +57,5 @@ func netpoll(delay int64) gList {
} }
func netpollinited() bool { func netpollinited() bool {
return atomic.Load(&netpollInited) != 0 return netpollInited.Load() != 0
} }

2
src/runtime/time.go
View File

@ -289,7 +289,7 @@ func addtimer(t *timer) {
func doaddtimer(pp *p, t *timer) { func doaddtimer(pp *p, t *timer) {
// Timers rely on the network poller, so make sure the poller // Timers rely on the network poller, so make sure the poller
// has started. // has started.
if netpollInited == 0 { if netpollInited.Load() == 0 {
netpollGenericInit() netpollGenericInit()
} }