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runtime: remove race out of BenchmarkChanToSyscallPing1ms

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Fixes #15119

Change-Id: I31445bf282a5e2a160ff4e66c5a592b989a5798f
Reviewed-on: https://go-review.googlesource.com/21448
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
This commit is contained in:
Alex Brainman 2016-04-05 10:28:19 +10:00
parent c4dda7e5a8
commit fcac88098b
1 changed files with 9 additions and 6 deletions
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15
src/runtime/syscall_windows_test.go
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@ -901,18 +901,19 @@ func setEvent(h syscall.Handle) error {
}
func benchChanToSyscallPing(b *testing.B) {
n := b.N
ch := make(chan int)
event, err := createEvent()
if err != nil {
b.Fatal(err)
}
go func() {
for i := 0; i < b.N; i++ {
for i := 0; i < n; i++ {
syscall.WaitForSingleObject(event, syscall.INFINITE)
ch <- 1
}
}()
for i := 0; i < b.N; i++ {
for i := 0; i < n; i++ {
err := setEvent(event)
if err != nil {
b.Fatal(err)
@ -932,6 +933,7 @@ func BenchmarkChanToSyscallPing15ms(b *testing.B) {
}
func benchSyscallToSyscallPing(b *testing.B) {
n := b.N
event1, err := createEvent()
if err != nil {
b.Fatal(err)
@ -941,7 +943,7 @@ func benchSyscallToSyscallPing(b *testing.B) {
b.Fatal(err)
}
go func() {
for i := 0; i < b.N; i++ {
for i := 0; i < n; i++ {
syscall.WaitForSingleObject(event1, syscall.INFINITE)
err := setEvent(event2)
if err != nil {
@ -949,7 +951,7 @@ func benchSyscallToSyscallPing(b *testing.B) {
}
}
}()
for i := 0; i < b.N; i++ {
for i := 0; i < n; i++ {
err := setEvent(event1)
if err != nil {
b.Fatal(err)
@ -969,15 +971,16 @@ func BenchmarkSyscallToSyscallPing15ms(b *testing.B) {
}
func benchChanToChanPing(b *testing.B) {
n := b.N
ch1 := make(chan int)
ch2 := make(chan int)
go func() {
for i := 0; i < b.N; i++ {
for i := 0; i < n; i++ {
<-ch1
ch2 <- 1
}
}()
for i := 0; i < b.N; i++ {
for i := 0; i < n; i++ {
ch1 <- 1
<-ch2
}