posix_types.h

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#ifndef __ASM_GENERIC_POSIX_TYPES_H
#define __ASM_GENERIC_POSIX_TYPES_H

#include <asm/bitsperlong.h>
/*
 * This file is generally used by user-level software, so you need to
 * be a little careful about namespace pollution etc.
 *
 * First the types that are often defined in different ways across
 * architectures, so that you can override them.
 */

#ifndef __kernel_long_t
typedef long        __kernel_long_t;
typedef unsigned long   __kernel_ulong_t;
#endif

#ifndef __kernel_ino_t
typedef __kernel_ulong_t __kernel_ino_t;
#endif

#ifndef __kernel_mode_t
typedef unsigned int    __kernel_mode_t;
#endif

#ifndef __kernel_pid_t
typedef int     __kernel_pid_t;
#endif

#ifndef __kernel_ipc_pid_t
typedef int     __kernel_ipc_pid_t;
#endif

#ifndef __kernel_uid_t
typedef unsigned int    __kernel_uid_t;
typedef unsigned int    __kernel_gid_t;
#endif

#ifndef __kernel_suseconds_t
typedef __kernel_long_t     __kernel_suseconds_t;
#endif

#ifndef __kernel_daddr_t
typedef int     __kernel_daddr_t;
#endif

#ifndef __kernel_uid32_t
typedef unsigned int    __kernel_uid32_t;
typedef unsigned int    __kernel_gid32_t;
#endif

#ifndef __kernel_old_uid_t
typedef __kernel_uid_t  __kernel_old_uid_t;
typedef __kernel_gid_t  __kernel_old_gid_t;
#endif

#ifndef __kernel_old_dev_t
typedef unsigned int    __kernel_old_dev_t;
#endif

/*
 * Most 32 bit architectures use "unsigned int" size_t,
 * and all 64 bit architectures use "unsigned long" size_t.
 */
#ifndef __kernel_size_t
#if __BITS_PER_LONG != 64
typedef unsigned int    __kernel_size_t;
typedef int     __kernel_ssize_t;
typedef int     __kernel_ptrdiff_t;
#else
typedef __kernel_ulong_t __kernel_size_t;
typedef __kernel_long_t __kernel_ssize_t;
typedef __kernel_long_t __kernel_ptrdiff_t;
#endif
#endif

#ifndef __kernel_fsid_t
typedef struct {
    int val[2];
} __kernel_fsid_t;
#endif

/*
 * anything below here should be completely generic
 */
typedef __kernel_long_t __kernel_off_t;
typedef long long   __kernel_loff_t;
typedef __kernel_long_t __kernel_time_t;
typedef __kernel_long_t __kernel_clock_t;
typedef int     __kernel_timer_t;
typedef int     __kernel_clockid_t;
typedef char *      __kernel_caddr_t;
typedef unsigned short  __kernel_uid16_t;
typedef unsigned short  __kernel_gid16_t;

#endif /* __ASM_GENERIC_POSIX_TYPES_H */