Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/mach/memory_object_default.defs
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1 /* 2 * Mach Operating System 3 * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University 4 * All Rights Reserved. 5 * 6 * Permission to use, copy, modify and distribute this software and its 7 * documentation is hereby granted, provided that both the copyright 8 * notice and this permission notice appear in all copies of the 9 * software, derivative works or modified versions, and any portions 10 * thereof, and that both notices appear in supporting documentation. 11 * 12 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 13 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR 14 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 15 * 16 * Carnegie Mellon requests users of this software to return to 17 * 18 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 19 * School of Computer Science 20 * Carnegie Mellon University 21 * Pittsburgh PA 15213-3890 22 * 23 * any improvements or extensions that they make and grant Carnegie Mellon 24 * the rights to redistribute these changes. 25 */ 26 /* 27 * HISTORY 28 * $Log: memory_object_default.defs,v $ 29 * Revision 2.8 91/08/28 11:15:24 jsb 30 * Added conditionalized sequence number support. 31 * [91/08/13 rpd] 32 * 33 * Revision 2.7 91/07/01 08:25:22 jsb 34 * If KERNEL and NORMA_VM, then use a userprefix (to allow interposition). 35 * [91/06/29 16:35:53 jsb] 36 * 37 * Revision 2.6 91/06/25 10:30:41 rpd 38 * Changed the port-based type declarations 39 * to use mach_port_t as the C type name. 40 * [91/05/23 rpd] 41 * 42 * Revision 2.5 91/05/14 16:56:08 mrt 43 * Correcting copyright 44 * 45 * Revision 2.4 91/02/05 17:34:05 mrt 46 * Changed to new Mach copyright 47 * [91/02/01 17:19:22 mrt] 48 * 49 * Revision 2.3 90/08/06 17:06:16 rpd 50 * For compatibility with Mach 2.5, added dealloc to 51 * argument of memory_object_create. 52 * [90/08/04 rpd] 53 * 54 * Revision 2.2 90/06/02 14:59:00 rpd 55 * Converted to new IPC. 56 * [90/03/26 22:35:46 rpd] 57 * 58 * Revision 2.1 89/08/03 17:18:28 rwd 59 * Created. 60 * 61 * Revision 2.3 89/02/25 18:38:29 gm0w 62 * Changes for cleanup. 63 * 64 * Revision 2.2 89/01/15 16:31:26 rpd 65 * Moved from kern/ to mach/. 66 * [89/01/15 14:40:47 rpd] 67 * 68 * Revision 2.7 89/01/12 07:58:30 rpd 69 * Fixed includes. 70 * [89/01/12 04:52:50 rpd] 71 * 72 * Revision 2.6 88/08/25 18:17:23 mwyoung 73 * Rid the kernel_task of rights to the new memory_object in 74 * memory_object_create. 75 * Add size argument to memory_object_create. 76 * [88/08/11 18:47:16 mwyoung] 77 * 78 * Revision 2.5 88/08/06 18:23:00 rpd 79 * Added dealloc flag to new_memory_object arg of memory_object_create(). 80 * Otherwise, kernel_task is left with send right, and this is very bad. 81 * 82 * 29-Jun-88 Michael Young (mwyoung) at Carnegie-Mellon University 83 * Use new types. 84 * 85 * 29-Jun-88 Michael Young (mwyoung) at Carnegie-Mellon University 86 * Moved data type declarations to "mach_types.defs". 87 * 88 * 9-Dec-87 Michael Young (mwyoung) at Carnegie-Mellon University 89 * Created. 90 */ 91 /* 92 * File: mach/memory_object_default.defs 93 * 94 * Abstract: 95 * Mach external memory management interface declaration; subset 96 * that is applicable to managers of kernel-created memory objects. 97 */ 98 99 subsystem 100 #if KERNEL_USER 101 KernelUser 102 #endif KERNEL_USER 103 memory_object_default 2250; 104 105 #ifdef KERNEL 106 #include <norma_vm.h> 107 #if NORMA_VM 108 userprefix k_; 109 #endif NORMA_VM 110 #endif KERNEL 111 112 #include <mach/std_types.defs> 113 #include <mach/mach_types.defs> 114 115 #if SEQNOS 116 serverprefix seqnos_; 117 serverdemux seqnos_memory_object_default_server; 118 #endif SEQNOS 119 120 /* 121 * Pass on responsibility for the new kernel-created memory 122 * object. The port on which this request is that port 123 * (possibly a memory object itself) registered as the "default 124 * pager". Other arguments are as described for memory_object_init. 125 * [No reply required.] 126 */ 127 simpleroutine memory_object_create( 128 old_memory_object : memory_object_t = 129 MACH_MSG_TYPE_MOVE_SEND 130 ctype: mach_port_t; 131 #if SEQNOS 132 msgseqno seqno : mach_port_seqno_t; 133 #endif SEQNOS 134 new_memory_object : memory_object_t = 135 MACH_MSG_TYPE_MOVE_RECEIVE 136 ctype: mach_port_t 137 #if KERNEL_USER 138 /* for compatibility with Mach 2.5 kernels */ 139 , dealloc 140 #endif KERNEL_USER 141 ; 142 new_object_size : vm_size_t; 143 new_control_port : memory_object_control_t = 144 MACH_MSG_TYPE_MAKE_SEND 145 ctype: mach_port_t; 146 new_name : memory_object_name_t = 147 MACH_MSG_TYPE_MAKE_SEND 148 ctype: mach_port_t; 149 new_page_size : vm_size_t); 150 151 /* 152 * Provide initial data contents for this region of 153 * the memory object. If data has already been written 154 * to the object, this value must be discarded; otherwise, 155 * this call acts identically to memory_object_data_write. 156 */ 157 simpleroutine memory_object_data_initialize( 158 memory_object : memory_object_t; 159 #if SEQNOS 160 msgseqno seqno : mach_port_seqno_t; 161 #endif SEQNOS 162 memory_control_port : memory_object_control_t = 163 MACH_MSG_TYPE_MAKE_SEND 164 ctype: mach_port_t; 165 offset : vm_offset_t; 166 data : pointer_t); 167 168 #if 0 169 /* 170 * Indicate that the specified range of data in this memory object 171 * will not be requested again until it is reinitialized with 172 * memory_object_data_write or memory_object_data_initialize. 173 */ 174 simpleroutine memory_object_data_terminate( 175 memory_object : memory_object_t; 176 #if SEQNOS 177 msgseqno seqno : mach_port_seqno_t; 178 #endif SEQNOS 179 memory_control_port : memory_object_control_t = 180 MACH_MSG_TYPE_MAKE_SEND 181 ctype: mach_port_t; 182 offset : vm_offset_t; 183 size : vm_size_t); 184 #else 0 185 skip; /* memory_object_data_terminate */ 186 #endif 0
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