02081e4b62
. it's a good extra interface to have but doesn't meet standardised functionality . applications (in pkgsrc) find it and expect full functionality the minix mmap doesn't offter . on the whole probably better to hide these functions (mmap and friends) until they are grown up; the base system can use the new minix_* names
81 lines
1.9 KiB
C
81 lines
1.9 KiB
C
#ifndef _SYS_MMAN_H_
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#define _SYS_MMAN_H_
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#include <sys/featuretest.h>
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#include <machine/ansi.h>
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#ifdef _BSD_SIZE_T_
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typedef _BSD_SIZE_T_ size_t;
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#undef _BSD_SIZE_T_
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#endif
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#include <sys/ansi.h>
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#ifndef mode_t
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typedef __mode_t mode_t;
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#define mode_t __mode_t
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#endif
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#ifndef off_t
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typedef __off_t off_t; /* file offset */
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#define off_t __off_t
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#endif
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/*
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* Protections are chosen from these bits, or-ed together
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*/
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#define PROT_NONE 0x00 /* no permissions */
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#define PROT_READ 0x01 /* pages can be read */
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#define PROT_WRITE 0x02 /* pages can be written */
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#define PROT_EXEC 0x04 /* pages can be executed */
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/*
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* Flags contain sharing type and options.
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* Sharing types; choose one.
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*/
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#ifndef __minix
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#define MAP_SHARED 0x0001 /* share changes */
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#endif
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#define MAP_PRIVATE 0x0002 /* changes are private */
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/*
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* Mapping type
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*/
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#define MAP_ANON 0x0004 /* anonymous memory */
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/*
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* Minix specific flags.
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*/
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#define MAP_PREALLOC 0x0008 /* not on-demand */
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#define MAP_CONTIG 0x0010 /* contiguous in physical memory */
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#define MAP_LOWER16M 0x0020 /* physically below 16MB */
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#define MAP_ALIGN64K 0x0040 /* physically aligned at 64kB */
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#define MAP_LOWER1M 0x0080 /* physically below 16MB */
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#define MAP_ALIGNMENT_64KB MAP_ALIGN64K
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#define MAP_IPC_SHARED 0x0100 /* share changes */
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/*
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* Error indicator returned by mmap(2)
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*/
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#define MAP_FAILED ((void *) -1) /* mmap() failed */
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#include <sys/cdefs.h>
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__BEGIN_DECLS
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#ifndef __minix
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void * mmap(void *, size_t, int, int, int, off_t);
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int munmap(void *, size_t);
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#else
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void * minix_mmap(void *, size_t, int, int, int, off_t);
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int minix_munmap(void *, size_t);
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int minix_munmap_text(void *, size_t);
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void * vm_remap(int d, int s, void *da, void *sa, size_t si);
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int vm_unmap(int endpt, void *addr);
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unsigned long vm_getphys(int endpt, void *addr);
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u8_t vm_getrefcount(int endpt, void *addr);
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#endif /* __minix */
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__END_DECLS
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#endif /* !_SYS_MMAN_H_ */
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