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konradzdunczyk/DispatchQueue.safeSync

Created September 25, 2020 17:59
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  1. konradzdunczyk revised this gist Sep 25, 2020. No changes.
  2. konradzdunczyk created this gist Sep 25, 2020.
    13 changes: 13 additions & 0 deletions DispatchQueue.safeSync
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,13 @@
    extension DispatchQueue {
    func safeSync(execute block: () -> Void) {
    if isCurrent {
    block()
    } else {
    self.sync(execute: block)
    }
    }

    private var isCurrent: Bool {
    return OperationQueue.current?.underlyingQueue == self
    }
    }