feat: Implement Broadcast Channel#35
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- Added `CBroadcast_Channel` class implementing the core logic: - Holds a single message that is overwritten by new writes. - Uses a generation counter to track message updates. - Implements blocking `Read` using `Block_Current_Process` until a new generation is available. - Implements `Write` that updates the message and notifies all waiting readers. - Created `CBroadcast_FS_Driver` mapped to `SYS:bcast`. - Updated `CProcess_Resource_Manager` to "allocate" and "free" broadcast channels (fixed number of channels are preallocated). - Implementation of broadcast is inspired by pipe implementation.
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CBroadcast_Channelclass implementing the core logic:ReadusingBlock_Current_Processuntil a new generation is available.Writethat updates the message and notifies all waiting readers.CBroadcast_FS_Drivermapped toSYS:bcast.CProcess_Resource_Managerto "allocate" and "free" broadcast channels (fixed number of channels are preallocated).