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Diffstat (limited to 'include/mach/memory_object_default.defs')
| -rw-r--r-- | include/mach/memory_object_default.defs | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/include/mach/memory_object_default.defs b/include/mach/memory_object_default.defs new file mode 100644 index 0000000..e62f14d --- /dev/null +++ b/include/mach/memory_object_default.defs @@ -0,0 +1,118 @@ +/* + * 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: mach/memory_object_default.defs + * + * Abstract: + * Mach external memory management interface declaration; subset + * that is applicable to managers of kernel-created memory objects. + */ + +subsystem +#if KERNEL_USER + KernelUser +#endif /* KERNEL_USER */ + memory_object_default 2250; + +#include <mach/std_types.defs> +#include <mach/mach_types.defs> + +#ifdef MEMORY_OBJECT_IMPORTS +MEMORY_OBJECT_IMPORTS +#endif + +#if SEQNOS +serverprefix seqnos_; +serverdemux seqnos_memory_object_default_server; +#endif /* SEQNOS */ + +/* + * Pass on responsibility for the new kernel-created memory + * object. The port on which this request is that port + * (possibly a memory object itself) registered as the "default + * pager". Other arguments are as described for memory_object_init. + * [No reply required.] + */ +simpleroutine memory_object_create( + old_memory_object : memory_object_t = + MACH_MSG_TYPE_MOVE_SEND + ctype: mach_port_t; +#if SEQNOS + msgseqno seqno : mach_port_seqno_t; +#endif /* SEQNOS */ + new_memory_object : memory_object_t = + MACH_MSG_TYPE_MOVE_RECEIVE + ctype: mach_port_t +#if KERNEL_USER + /* for compatibility with Mach 2.5 kernels */ + , dealloc +#endif /* KERNEL_USER */ + ; + new_object_size : vm_size_t; + new_control_port : memory_object_control_t = + MACH_MSG_TYPE_MAKE_SEND + ctype: mach_port_t; + new_name : memory_object_name_t = + MACH_MSG_TYPE_MAKE_SEND + ctype: mach_port_t; + new_page_size : vm_size_t); + +/* + * Provide initial data contents for this region of + * the memory object. If data has already been written + * to the object, this value must be discarded; otherwise, + * this call acts identically to memory_object_data_return. + */ +simpleroutine memory_object_data_initialize( + memory_object : memory_object_t; +#if SEQNOS + msgseqno seqno : mach_port_seqno_t; +#endif /* SEQNOS */ + memory_control_port : memory_object_control_t = + MACH_MSG_TYPE_MAKE_SEND + ctype: mach_port_t; + offset : vm_offset_t; + data : pointer_t); + +#if 0 +/* + * Indicate that the specified range of data in this memory object + * will not be requested again until it is reinitialized with + * memory_object_data_return or memory_object_data_initialize. + */ +simpleroutine memory_object_data_terminate( + memory_object : memory_object_t; +#if SEQNOS + msgseqno seqno : mach_port_seqno_t; +#endif /* SEQNOS */ + memory_control_port : memory_object_control_t = + MACH_MSG_TYPE_MAKE_SEND + ctype: mach_port_t; + offset : vm_offset_t; + size : vm_size_t); +#else /* 0 */ +skip; /* memory_object_data_terminate */ +#endif /* 0 */ |