File: /Users/paulross/dev/linux/linux-3.13/include/uapi/linux/types.h

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       1: #ifndef _UAPI_LINUX_TYPES_H
       2: #define _UAPI_LINUX_TYPES_H
       3: 
       4: #include <asm/types.h>
       5: 
       6: #ifndef __ASSEMBLY__
       7: #ifndef    __KERNEL__
       8: #ifndef __EXPORTED_HEADERS__
       9: #warning "Attempt to use kernel headers from user space, see http://kernelnewbies.org/KernelHeaders"
      10: #endif /* __EXPORTED_HEADERS__ */
      11: #endif
      12: 
      13: #include <linux/posix_types.h>
      14: 
      15: 
      16: /*
      17:  * Below are truly Linux-specific types that should never collide with
      18:  * any application/library that wants linux/types.h.
      19:  */
      20: 
      21: #ifdef __CHECKER__
      22: #define __bitwise__ __attribute__((bitwise))
      23: #else
      24: #define __bitwise__
      25: #endif
      26: #ifdef __CHECK_ENDIAN__
      27: #define __bitwise __bitwise__
      28: #else
      29: #define __bitwise
      30: #endif
      31: 
      32: typedef __u16 __bitwise __le16;
      33: typedef __u16 __bitwise __be16;
      34: typedef __u32 __bitwise __le32;
      35: typedef __u32 __bitwise __be32;
      36: typedef __u64 __bitwise __le64;
      37: typedef __u64 __bitwise __be64;
      38: 
      39: typedef __u16 __bitwise __sum16;
      40: typedef __u32 __bitwise __wsum;
      41: 
      42: /*
      43:  * aligned_u64 should be used in defining kernel<->userspace ABIs to avoid
      44:  * common 32/64-bit compat problems.
      45:  * 64-bit values align to 4-byte boundaries on x86_32 (and possibly other
      46:  * architectures) and to 8-byte boundaries on 64-bit architectures.  The new
      47:  * aligned_64 type enforces 8-byte alignment so that structs containing
      48:  * aligned_64 values have the same alignment on 32-bit and 64-bit architectures.
      49:  * No conversions are necessary between 32-bit user-space and a 64-bit kernel.
      50:  */
      51: #define __aligned_u64 __u64 __attribute__((aligned(8)))
      52: #define __aligned_be64 __be64 __attribute__((aligned(8)))
      53: #define __aligned_le64 __le64 __attribute__((aligned(8)))
      54: 
      55: #endif /*  __ASSEMBLY__ */
      56: #endif /* _UAPI_LINUX_TYPES_H */
      57: