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sync/atomic: fix data races in tests 

Backport https://codereview.appspot.com/111320044 from Go
master library.

From-SVN: r217110
This commit is contained in:
Ian Lance Taylor 2014-11-05 03:39:49 +00:00
parent 659e39f1bc
commit c9bc4e2d2b
1 changed files with 8 additions and 8 deletions
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16
libgo/go/sync/atomic/atomic_test.go
View File

@ -858,7 +858,7 @@ func hammerCompareAndSwapInt32(uaddr *uint32, count int) {
addr := (*int32)(unsafe.Pointer(uaddr))
for i := 0; i < count; i++ {
for {
v := *addr
v := LoadInt32(addr)
if CompareAndSwapInt32(addr, v, v+1) {
break
}
@ -869,7 +869,7 @@ func hammerCompareAndSwapInt32(uaddr *uint32, count int) {
func hammerCompareAndSwapUint32(addr *uint32, count int) {
for i := 0; i < count; i++ {
for {
v := *addr
v := LoadUint32(addr)
if CompareAndSwapUint32(addr, v, v+1) {
break
}
@ -883,7 +883,7 @@ func hammerCompareAndSwapUintptr32(uaddr *uint32, count int) {
addr := (*uintptr)(unsafe.Pointer(uaddr))
for i := 0; i < count; i++ {
for {
v := *addr
v := LoadUintptr(addr)
if CompareAndSwapUintptr(addr, v, v+1) {
break
}
@ -897,7 +897,7 @@ func hammerCompareAndSwapPointer32(uaddr *uint32, count int) {
addr := (*unsafe.Pointer)(unsafe.Pointer(uaddr))
for i := 0; i < count; i++ {
for {
v := *addr
v := LoadPointer(addr)
if CompareAndSwapPointer(addr, v, unsafe.Pointer(uintptr(v)+1)) {
break
}
@ -1039,7 +1039,7 @@ func hammerCompareAndSwapInt64(uaddr *uint64, count int) {
addr := (*int64)(unsafe.Pointer(uaddr))
for i := 0; i < count; i++ {
for {
v := *addr
v := LoadInt64(addr)
if CompareAndSwapInt64(addr, v, v+1) {
break
}
@ -1050,7 +1050,7 @@ func hammerCompareAndSwapInt64(uaddr *uint64, count int) {
func hammerCompareAndSwapUint64(addr *uint64, count int) {
for i := 0; i < count; i++ {
for {
v := *addr
v := LoadUint64(addr)
if CompareAndSwapUint64(addr, v, v+1) {
break
}
@ -1064,7 +1064,7 @@ func hammerCompareAndSwapUintptr64(uaddr *uint64, count int) {
addr := (*uintptr)(unsafe.Pointer(uaddr))
for i := 0; i < count; i++ {
for {
v := *addr
v := LoadUintptr(addr)
if CompareAndSwapUintptr(addr, v, v+1) {
break
}
@ -1078,7 +1078,7 @@ func hammerCompareAndSwapPointer64(uaddr *uint64, count int) {
addr := (*unsafe.Pointer)(unsafe.Pointer(uaddr))
for i := 0; i < count; i++ {
for {
v := *addr
v := LoadPointer(addr)
if CompareAndSwapPointer(addr, v, unsafe.Pointer(uintptr(v)+1)) {
break
}