42 lines
875 B
C
42 lines
875 B
C
/* sys/mman.h: Memory allocation and deallocation. */
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#ifndef _SYS_MMAN_H
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#define _SYS_MMAN_H
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#include <bits/mmap-flags.h>
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#include <sys/types.h>
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#define PAGE_SIZE 4096UL
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#define MAP_FAILED (void*)-1
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#define MS_SYNC 1
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#define MS_ASYNC 2
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#define MS_INVALIDATE 4
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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/* Map a file into memory. */
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void* mmap(void* addr, size_t len, int prot, int flags, int fd, off_t offset);
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/* Remove a memory mapping. */
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int munmap(void* addr, size_t len);
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/* Write modified shared memory back to its associated file. */
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int msync(void* addr, size_t len, int flags);
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/* Create a new POSIX shared memory object. */
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int shm_open(const char* name, int oflag, mode_t mode);
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/* Delete a POSIX shared memory object from the file system. */
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int shm_unlink(const char* name);
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#ifdef __cplusplus
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}
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#endif
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#endif
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