locked acquire() blocked until another thread calls

When the state is unlocked, acquire() changes the state to locked and returns immediately.

02/13/19 Charles River Laboratories Signs Binding Offer to Acquire Citoxlab

Wiley signs definitive agreement to acquire Atypon

Press Release: Wiley Signs Definitive Agreement to Acquire CrossKnowledge

Next Charles River Laboratories Signs Binding Offer to Acquire Citoxlab

Create/Acquire product in niche that develop buyers.

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Previous Charles River Laboratories Signs Binding Offer to Acquire Citoxlab

Wiley Signs Definitive Agreement to Acquire CrossKnowledge

Create/Acquire product in niche that develop buyers.

Press Release: Wiley Signs Definitive Agreement to Acquire Atypon

Charles River Laboratories completes the acquisition of Citoxlab