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| -rw-r--r-- | kern/server_loop.ch | 104 |
1 files changed, 0 insertions, 104 deletions
diff --git a/kern/server_loop.ch b/kern/server_loop.ch deleted file mode 100644 index 409e013..0000000 --- a/kern/server_loop.ch +++ /dev/null @@ -1,104 +0,0 @@ -/* - * Mach Operating System - * Copyright (c) 1991,1990,1989,1988,1987 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. - */ -/* - * File: kern/server_loop.c - * - * A common server loop for builtin tasks. - */ - -/* - * Must define symbols for: - * SERVER_NAME String name of this module - * SERVER_LOOP Routine name for the loop - * SERVER_DISPATCH MiG function(s) to handle message - * - * Must redefine symbols for pager_server functions. - */ - -#include <kern/debug.h> -#include <kern/kalloc.h> -#include <mach/port.h> -#include <mach/message.h> -#include <vm/vm_kern.h> /* for kernel_map */ - -void SERVER_LOOP(rcv_set, max_size) -{ - register mach_msg_header_t *in_msg; - register mach_msg_header_t *out_msg; - register mach_msg_header_t *tmp_msg; - vm_offset_t messages; - mach_msg_return_t r; - - /* - * Allocate our message buffers. - */ - - messages = kalloc(2 * max_size); - if (messages == 0) - panic(SERVER_NAME); - in_msg = (mach_msg_header_t *) messages; - out_msg = (mach_msg_header_t *) (messages + max_size); - - /* - * Service loop... receive messages and process them. - */ - - for (;;) { - /* receive first message */ - - receive_msg: - r = mach_msg(in_msg, MACH_RCV_MSG, 0, max_size, rcv_set, - MACH_MSG_TIMEOUT_NONE, MACH_PORT_NULL); - if (r == MACH_MSG_SUCCESS) - break; - - printf("%s: receive failed, 0x%x.\n", SERVER_NAME, r); - } - - for (;;) { - /* process request message */ - - (void) SERVER_DISPATCH(in_msg, out_msg); - - /* send reply and receive next request */ - - if (out_msg->msgh_remote_port == MACH_PORT_NULL) - goto receive_msg; - - r = mach_msg(out_msg, MACH_SEND_MSG|MACH_RCV_MSG, - out_msg->msgh_size, max_size, rcv_set, - MACH_MSG_TIMEOUT_NONE, MACH_PORT_NULL); - if (r != MACH_MSG_SUCCESS) { - printf("%s: send/receive failed, 0x%x.\n", - SERVER_NAME, r); - goto receive_msg; - } - - /* swap message buffers */ - - tmp_msg = in_msg; in_msg = out_msg; out_msg = tmp_msg; - } -} |