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 #if CONFIG_IS_ENABLED(X86_64)
20 typedef unsigned long	__kernel_size_t;
21 typedef long		__kernel_ssize_t;
22 #else
23 typedef unsigned int	__kernel_size_t;
24 typedef int		__kernel_ssize_t;
25 #endif
26 typedef int		__kernel_ptrdiff_t;
27 typedef long		__kernel_time_t;
28 typedef long		__kernel_suseconds_t;
29 typedef long		__kernel_clock_t;
30 typedef int		__kernel_daddr_t;
31 typedef char *		__kernel_caddr_t;
32 typedef unsigned short	__kernel_uid16_t;
33 typedef unsigned short	__kernel_gid16_t;
34 typedef unsigned int	__kernel_uid32_t;
35 typedef unsigned int	__kernel_gid32_t;
36 
37 typedef unsigned short	__kernel_old_uid_t;
38 typedef unsigned short	__kernel_old_gid_t;
39 
40 #ifdef __GNUC__
41 typedef long long	__kernel_loff_t;
42 #endif
43 
44 typedef struct {
45 #if defined(__KERNEL__) || defined(__USE_ALL)
46 	int	val[2];
47 #else /* !defined(__KERNEL__) && !defined(__USE_ALL) */
48 	int	__val[2];
49 #endif /* !defined(__KERNEL__) && !defined(__USE_ALL) */
50 } __kernel_fsid_t;
51 
52 #if defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2)
53 
54 #undef	__FD_SET
55 #define __FD_SET(fd,fdsetp) \
56 		__asm__ __volatile__("btsl %1,%0": \
57 			"=m" (*(__kernel_fd_set *) (fdsetp)):"r" ((int) (fd)))
58 
59 #undef	__FD_CLR
60 #define __FD_CLR(fd,fdsetp) \
61 		__asm__ __volatile__("btrl %1,%0": \
62 			"=m" (*(__kernel_fd_set *) (fdsetp)):"r" ((int) (fd)))
63 
64 #undef	__FD_ISSET
65 #define __FD_ISSET(fd,fdsetp) (__extension__ ({ \
66 		unsigned char __result; \
67 		__asm__ __volatile__("btl %1,%2 ; setb %0" \
68 			:"=q" (__result) :"r" ((int) (fd)), \
69 			"m" (*(__kernel_fd_set *) (fdsetp))); \
70 		__result; }))
71 
72 #undef	__FD_ZERO
73 #define __FD_ZERO(fdsetp) \
74 do { \
75 	int __d0, __d1; \
76 	__asm__ __volatile__("cld ; rep ; stosl" \
77 			:"=m" (*(__kernel_fd_set *) (fdsetp)), \
78 			  "=&c" (__d0), "=&D" (__d1) \
79 			:"a" (0), "1" (__FDSET_LONGS), \
80 			"2" ((__kernel_fd_set *) (fdsetp)) : "memory"); \
81 } while (0)
82 
83 #endif /* defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2) */
84 
85 #endif
86