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Fixes #6090 (#6092)

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Yuriy Glukhov 2017-07-14 09:15:37 +03:00 • committed by Andreas Rumpf
commit 8bdcade1a0
1 changed files with 5 additions and 0 deletions
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5
lib/pure/concurrency/threadpool.nim
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@ -530,6 +530,7 @@ proc nimSpawn4(fn: WorkerProc; data: pointer; id: ThreadId) {.compilerProc.} =
proc sync*() =
## a simple barrier to wait for all spawn'ed tasks. If you need more elaborate
## waiting, you have to use an explicit barrier.
var toRelease = 0
while true:
var allReady = true
for i in 0 .. <currentPoolSize:
@ -537,5 +538,9 @@ proc sync*() =
allReady = allReady and workersData[i].ready
if allReady: break
await(gSomeReady)
inc toRelease
for i in 0 ..< toRelease:
signal(gSomeReady)
setup()