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sync/atomic: fix data races in tests
Fixes #8389. LGTM=r R=golang-codereviews, r CC=golang-codereviews https://golang.org/cl/111320044
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@ -858,7 +858,7 @@ func hammerCompareAndSwapInt32(uaddr *uint32, count int) {
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addr := (*int32)(unsafe.Pointer(uaddr))
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for i := 0; i < count; i++ {
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for {
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v := *addr
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v := LoadInt32(addr)
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if CompareAndSwapInt32(addr, v, v+1) {
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break
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}
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@ -869,7 +869,7 @@ func hammerCompareAndSwapInt32(uaddr *uint32, count int) {
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func hammerCompareAndSwapUint32(addr *uint32, count int) {
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for i := 0; i < count; i++ {
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for {
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v := *addr
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v := LoadUint32(addr)
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if CompareAndSwapUint32(addr, v, v+1) {
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break
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}
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@ -883,7 +883,7 @@ func hammerCompareAndSwapUintptr32(uaddr *uint32, count int) {
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addr := (*uintptr)(unsafe.Pointer(uaddr))
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for i := 0; i < count; i++ {
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for {
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v := *addr
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v := LoadUintptr(addr)
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if CompareAndSwapUintptr(addr, v, v+1) {
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break
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}
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@ -897,7 +897,7 @@ func hammerCompareAndSwapPointer32(uaddr *uint32, count int) {
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addr := (*unsafe.Pointer)(unsafe.Pointer(uaddr))
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for i := 0; i < count; i++ {
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for {
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v := *addr
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v := LoadPointer(addr)
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if CompareAndSwapPointer(addr, v, unsafe.Pointer(uintptr(v)+1)) {
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break
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}
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@ -1039,7 +1039,7 @@ func hammerCompareAndSwapInt64(uaddr *uint64, count int) {
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addr := (*int64)(unsafe.Pointer(uaddr))
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for i := 0; i < count; i++ {
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for {
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v := *addr
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v := LoadInt64(addr)
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if CompareAndSwapInt64(addr, v, v+1) {
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break
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}
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@ -1050,7 +1050,7 @@ func hammerCompareAndSwapInt64(uaddr *uint64, count int) {
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func hammerCompareAndSwapUint64(addr *uint64, count int) {
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for i := 0; i < count; i++ {
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for {
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v := *addr
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v := LoadUint64(addr)
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if CompareAndSwapUint64(addr, v, v+1) {
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break
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}
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@ -1064,7 +1064,7 @@ func hammerCompareAndSwapUintptr64(uaddr *uint64, count int) {
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addr := (*uintptr)(unsafe.Pointer(uaddr))
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for i := 0; i < count; i++ {
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for {
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v := *addr
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v := LoadUintptr(addr)
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if CompareAndSwapUintptr(addr, v, v+1) {
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break
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}
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@ -1078,7 +1078,7 @@ func hammerCompareAndSwapPointer64(uaddr *uint64, count int) {
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addr := (*unsafe.Pointer)(unsafe.Pointer(uaddr))
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for i := 0; i < count; i++ {
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for {
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v := *addr
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v := LoadPointer(addr)
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if CompareAndSwapPointer(addr, v, unsafe.Pointer(uintptr(v)+1)) {
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break
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}
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