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Richard M. Stallman authored
Use -1 to mean wait_channel is empty. Start process loop with descriptor 0 if keyboard_descriptor is not 0. (make_process): Initialize descriptors to -1. (Fdelete_process): -1 means empty, in infd. (deactivate_process): Likewise. (process_send_signal): Likewise. (kill_buffer_processes): Likewise. (sigchld_handler): Likewise. (status_notify): Likewise. (close_process_descs): Likewise. (create_process): Likewise. (Fopen_network_stream): Likewise. (send_process): Likewise. (Fprocess_send_eof): Likewise. Use XINT when closing outfd. (Fset_process_filter): Use XINT to get infd value. (wait_reading_process_input): Likewise. (wait_reading_process_input): When bypassing select, clear Available.
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