/
sleep.go
43 lines (35 loc) · 948 Bytes
/
sleep.go
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package util
import "syscall"
func Sleep(ms int64) {
var tv syscall.Timeval
_ = syscall.Gettimeofday(&tv)
startTick := int64(tv.Sec)*int64(1000000) + int64(tv.Usec) + ms*1000
endTick := int64(0)
for endTick < startTick {
_ = syscall.Gettimeofday(&tv)
endTick = int64(tv.Sec)*int64(1000000) + int64(tv.Usec)
}
}
func SleepUtil(ms int64,f func()bool) {
var tv syscall.Timeval
_ = syscall.Gettimeofday(&tv)
startTick := int64(tv.Sec)*int64(1000000) + int64(tv.Usec) + ms*1000
endTick := int64(0)
for endTick < startTick {
if f() {
break
}
_ = syscall.Gettimeofday(&tv)
endTick = int64(tv.Sec)*int64(1000000) + int64(tv.Usec)
}
}
func USleep(us int64) {
var tv syscall.Timeval
_ = syscall.Gettimeofday(&tv)
startTick := int64(tv.Sec)*int64(1000000) + int64(tv.Usec) + us
endTick := int64(0)
for endTick < startTick {
_ = syscall.Gettimeofday(&tv)
endTick = int64(tv.Sec)*int64(1000000) + int64(tv.Usec)
}
}