time.Sleep goroutines locked #2190
Description
by VisualFC:
The time.Sleep goroutines locked
What steps will reproduce the problem?
{{{
package main
import (
"fmt"
"time"
"sync"
)
var newTimerMutex sync.Mutex
func MutexSleep(ns int64) {
newTimerMutex.Lock()
t := time.NewTimer(ns)
newTimerMutex.Unlock()
<-t.C
}
func main() {
ch := make(chan int)
exit := make(chan bool)
go func() {
index := 0
for {
i := <-ch
fmt.Printf("%d.", i)
index++
if index >= 100000 {
break
}
}
exit <- true
}()
for i := 0; i < 100000; i++ {
go func(i int, ch chan int) {
time.Sleep(1e9)
//MutexSleep(1e9)
ch <- i
}(i, ch)
}
<-exit
}
}}}
What is the expected output?
runtime: failed to create new OS thread (have
941 already; errno=11)
throw: runtime.newosproc
goroutine 942 [syscall]:
syscall.Syscall6()
/home/win32/go/src/pkg/syscall/asm_linux_amd64.s:40 +0x5
syscall.Select(0x0, 0x0, 0x0, 0x0, 0xf84281c330, ...)
/home/win32/go/src/pkg/syscall/zsyscall_linux_amd64.go:1008 +0x63
syscall.Sleep(0x3b9aca00, 0x0, 0xf84281c340, 0x41f77d)
/home/win32/go/src/pkg/syscall/syscall_linux.go:189 +0x7a
time.sysSleep(0x3b9aca00, 0x0, 0x4e571ee8, 0x123d725925d91b70)
/home/win32/go/src/pkg/time/sys_posix.go:13 +0x25
time.sleep(0x123d7258ea3e5170, 0x3b9aca00, 0x0, 0x0, 0x0, ...)
/home/win32/go/src/pkg/time/sys.go:44 +0x40
time.Sleep(0x3b9aca00, 0x0, 0x0, 0x40c9f1)
/home/win32/go/src/pkg/time/sys.go:33 +0x33
main._func_002(0xf8000003ab, 0xf8400019b0, 0x0, 0x0)
/home/win32/dev/test.go:35 +0x24
created by main.main
/home/win32/dev/test.go:38 +0xd5
What do you see instead?
application exceptsion
Which compiler are you using (5g, 6g, 8g, gccgo)?
6g,8g
Which operating system are you using?
CentOS6.0 WINDOWS7
Which revision are you using? (hg identify)
weekly.2011-08-17 and 88744261dd47 tip
Please provide any additional information below.
use MutexSleep(1e9) the application normal