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runtime: reset GOMAXPROCS during tests

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Fix the fact that the test leaves GOMAXPROCS=3
and a running goroutine behind.

R=golang-dev, rsc
CC=dvyukov, golang-dev
https://golang.org/cl/4517121
This commit is contained in:
Dmitriy Vyukov 2011-05-31 10:38:51 -04:00 • committed by Russ Cox
parent f18a4e9609
commit 91cc1e6b77
1 changed files with 6 additions and 3 deletions
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9
src/pkg/runtime/proc_test.go
View file

@ -24,20 +24,23 @@ func TestStopTheWorldDeadlock(t *testing.T) {
t.Logf("skipping during short test") t.Logf("skipping during short test")
return return
} }
runtime.GOMAXPROCS(3) maxprocs := runtime.GOMAXPROCS(3)
compl := make(chan int, 1) compl := make(chan bool, 2)
go func() { go func() {
for i := 0; i != 1000; i += 1 { for i := 0; i != 1000; i += 1 {
runtime.GC() runtime.GC()
} }
compl <- 0 compl <- true
}() }()
go func() { go func() {
for i := 0; i != 1000; i += 1 { for i := 0; i != 1000; i += 1 {
runtime.GOMAXPROCS(3) runtime.GOMAXPROCS(3)
} }
compl <- true
}() }()
go perpetuumMobile() go perpetuumMobile()
<-compl <-compl
<-compl
stop <- true stop <- true
runtime.GOMAXPROCS(maxprocs)
} }