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sync/waitgroup: force sleeping for 1ms

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fixes issues #2874 and #2961
This commit is contained in:
Delyan Angelov
2019-12-03 14:05:08 +02:00
committed by Alexander Medvednikov
parent 0a8d2d5dc7
commit b907cf2179
2 changed files with 8 additions and 3 deletions
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9
vlib/sync/waitgroup.v
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@ -32,7 +32,12 @@ pub fn (wg mut WaitGroup) done() {
pub fn (wg mut WaitGroup) wait() {
for wg.active > 0 {
// waiting
// Do not remove this, busy empty loops are optimized
// with -prod by some compilers, see issue #2874
$if windows {
C.Sleep(1)
} $else {
C.usleep(1000)
}
}
}