/* * Mach Operating System * Copyright (c) 1991,1990,1989 Carnegie Mellon University * All Rights Reserved. * * Permission to use, copy, modify and distribute this software and its * documentation is hereby granted, provided that both the copyright * notice and this permission notice appear in all copies of the * software, derivative works or modified versions, and any portions * thereof, and that both notices appear in supporting documentation. * * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. * * Carnegie Mellon requests users of this software to return to * * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU * School of Computer Science * Carnegie Mellon University * Pittsburgh PA 15213-3890 * * any improvements or extensions that they make and grant Carnegie Mellon * the rights to redistribute these changes. */ /* * Author: David B. Golub, Carnegie Mellon University * Date: 8/89 * * Reply-only side of device interface. */ subsystem #if KERNEL_USER KernelUser #endif device_reply 2900; /* to match reply numbers for device.defs */ /* * Device_write_reply (only user of this data type) deallocates * the data. */ #include #include userprefix ds_; #if SEQNOS serverprefix seqnos_; serverdemux seqnos_device_reply_server; #endif /* SEQNOS */ type reply_port_t = polymorphic|MACH_MSG_TYPE_PORT_SEND_ONCE ctype: mach_port_t #ifndef KERNEL_SERVER #ifdef MACH_PAYLOAD_TO_PORT intranpayload: mach_port_t MACH_PAYLOAD_TO_PORT #endif /* MACH_PAYLOAD_TO_PORT */ #endif /* KERNEL_SERVER */ ; simpleroutine device_open_reply( reply_port : reply_port_t; #if SEQNOS msgseqno seqno : mach_port_seqno_t; #endif /* SEQNOS */ in return_code : kern_return_t; in device_port : mach_port_make_send_t ); skip; /* device_close */ simpleroutine device_write_reply( reply_port : reply_port_t; #if SEQNOS msgseqno seqno : mach_port_seqno_t; #endif /* SEQNOS */ in return_code : kern_return_t; in bytes_written : int ); simpleroutine device_write_reply_inband( reply_port : reply_port_t; #if SEQNOS msgseqno seqno : mach_port_seqno_t; #endif /* SEQNOS */ in return_code : kern_return_t; in bytes_written : int ); simpleroutine device_read_reply( reply_port : reply_port_t; #if SEQNOS msgseqno seqno : mach_port_seqno_t; #endif /* SEQNOS */ in return_code : kern_return_t; in data : io_buf_ptr_t, dealloc ); simpleroutine device_read_reply_inband( reply_port : reply_port_t; #if SEQNOS msgseqno seqno : mach_port_seqno_t; #endif /* SEQNOS */ in return_code : kern_return_t; in data : io_buf_ptr_inband_t );