sem_acquire

• Return type added: bool
• Parameter name of parameter #1 changed: $sem_identifier to $semaphore
• Parameter type added for parameter #1 ($semaphore): SysvSemaphore
• Parameter name of parameter #2 changed: $nowait to $non_blocking
• Parameter type added for parameter #2 ($non_blocking): bool
• Parameter default value added for position #2 ($non_blocking): false

- sem_acquire($sem_identifier, $nowait)
+ sem_acquire(SysvSemaphore $semaphore, bool $non_blocking = false): bool

• Optional parameter added - #2: $nowait

- sem_acquire($sem_identifier)
+ sem_acquire($sem_identifier, $nowait)