File: /usr/include/asm/posix_types.h

1     #ifndef __ARCH_I386_POSIX_TYPES_H
2     #define __ARCH_I386_POSIX_TYPES_H
3     
4     /*
5      * This file is generally used by user-level software, so you need to
6      * be a little careful about namespace pollution etc.  Also, we cannot
7      * assume GCC is being used.
8      */
9     
10     typedef unsigned short	__kernel_dev_t;
11     typedef unsigned long	__kernel_ino_t;
12     typedef unsigned short	__kernel_mode_t;
13     typedef unsigned short	__kernel_nlink_t;
14     typedef long		__kernel_off_t;
15     typedef int		__kernel_pid_t;
16     typedef unsigned short	__kernel_ipc_pid_t;
17     typedef unsigned short	__kernel_uid_t;
18     typedef unsigned short	__kernel_gid_t;
19     typedef unsigned int	__kernel_size_t;
20     typedef int		__kernel_ssize_t;
21     typedef int		__kernel_ptrdiff_t;
22     typedef long		__kernel_time_t;
23     typedef long		__kernel_suseconds_t;
24     typedef long		__kernel_clock_t;
25     typedef int		__kernel_daddr_t;
26     typedef char *		__kernel_caddr_t;
27     typedef unsigned short	__kernel_uid16_t;
28     typedef unsigned short	__kernel_gid16_t;
29     typedef unsigned int	__kernel_uid32_t;
30     typedef unsigned int	__kernel_gid32_t;
31     
32     typedef unsigned short	__kernel_old_uid_t;
33     typedef unsigned short	__kernel_old_gid_t;
34     
35     #ifdef __GNUC__
36     typedef long long	__kernel_loff_t;
37     #endif
38     
39     typedef struct {
40     #if defined(__KERNEL__) || defined(__USE_ALL)
41     	int	val[2];
42     #else /* !defined(__KERNEL__) && !defined(__USE_ALL) */
43     	int	__val[2];
44     #endif /* !defined(__KERNEL__) && !defined(__USE_ALL) */
45     } __kernel_fsid_t;
46     
47     #if defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2)
48     
49     #undef	__FD_SET
50     #define __FD_SET(fd,fdsetp) \
51     		__asm__ __volatile__("btsl %1,%0": \
52     			"=m" (*(__kernel_fd_set *) (fdsetp)):"r" ((int) (fd)))
53     
54     #undef	__FD_CLR
55     #define __FD_CLR(fd,fdsetp) \
56     		__asm__ __volatile__("btrl %1,%0": \
57     			"=m" (*(__kernel_fd_set *) (fdsetp)):"r" ((int) (fd)))
58     
59     #undef	__FD_ISSET
60     #define __FD_ISSET(fd,fdsetp) (__extension__ ({ \
61     		unsigned char __result; \
62     		__asm__ __volatile__("btl %1,%2 ; setb %0" \
63     			:"=q" (__result) :"r" ((int) (fd)), \
64     			"m" (*(__kernel_fd_set *) (fdsetp))); \
65     		__result; }))
66     
67     #undef	__FD_ZERO
68     #define __FD_ZERO(fdsetp) \
69     do { \
70     	int __d0, __d1; \
71     	__asm__ __volatile__("cld ; rep ; stosl" \
72     			:"=m" (*(__kernel_fd_set *) (fdsetp)), \
73     			  "=&c" (__d0), "=&D" (__d1) \
74     			:"a" (0), "1" (__FDSET_LONGS), \
75     			"2" ((__kernel_fd_set *) (fdsetp)) : "memory"); \
76     } while (0)
77     
78     #endif /* defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2) */
79     
80     #endif
81