mman.h

来自「<Linux1.0核心游记>电子书+书后源码+Linux1.0源码」· C头文件 代码 · 共 16 行

#ifndef _LINUX_MMAN_H
#define _LINUX_MMAN_H

#define PROT_READ        0x1       /* page can be read */
#define PROT_WRITE       0x2       /* page can be written */
#define PROT_EXEC        0x4       /* page can be executed */
#define PROT_NONE        0x0       /* page can not be accessed */

#define MAP_SHARED       1         /* Share changes */
#define MAP_PRIVATE      2         /* Changes are private */
#define MAP_TYPE         0xf       /* Mask for type of mapping */
#define MAP_FIXED        0x10      /* Interpret addr exactly */
#define MAP_ANONYMOUS    0x20      /* don't use a file */

#endif /* _LINUX_MMAN_H */