x86: optimize lock prefix switching to run less frequently
[linux-2.6/mini2440.git] / include / asm-sparc / posix_types.h
blob62c8fa7b36d4e8556c56900f0cfadf46f5221abc
1 #ifndef __ARCH_SPARC_POSIX_TYPES_H
2 #define __ARCH_SPARC_POSIX_TYPES_H
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 */
10 typedef unsigned int __kernel_size_t;
11 typedef int __kernel_ssize_t;
12 typedef long int __kernel_ptrdiff_t;
13 typedef long __kernel_time_t;
14 typedef long __kernel_suseconds_t;
15 typedef long __kernel_clock_t;
16 typedef int __kernel_pid_t;
17 typedef unsigned short __kernel_ipc_pid_t;
18 typedef unsigned short __kernel_uid_t;
19 typedef unsigned short __kernel_gid_t;
20 typedef unsigned long __kernel_ino_t;
21 typedef unsigned short __kernel_mode_t;
22 typedef unsigned short __kernel_umode_t;
23 typedef short __kernel_nlink_t;
24 typedef long __kernel_daddr_t;
25 typedef long __kernel_off_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 typedef unsigned short __kernel_old_uid_t;
32 typedef unsigned short __kernel_old_gid_t;
33 typedef unsigned short __kernel_old_dev_t;
34 typedef int __kernel_clockid_t;
35 typedef int __kernel_timer_t;
37 #ifdef __GNUC__
38 typedef long long __kernel_loff_t;
39 #endif
41 typedef struct {
42 #if defined(__KERNEL__) || defined(__USE_ALL)
43 int val[2];
44 #else /* !defined(__KERNEL__) && !defined(__USE_ALL) */
45 int __val[2];
46 #endif /* !defined(__KERNEL__) && !defined(__USE_ALL) */
47 } __kernel_fsid_t;
49 #if defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2)
51 #undef __FD_SET
52 static inline void __FD_SET(unsigned long fd, __kernel_fd_set *fdsetp)
54 unsigned long _tmp = fd / __NFDBITS;
55 unsigned long _rem = fd % __NFDBITS;
56 fdsetp->fds_bits[_tmp] |= (1UL<<_rem);
59 #undef __FD_CLR
60 static inline void __FD_CLR(unsigned long fd, __kernel_fd_set *fdsetp)
62 unsigned long _tmp = fd / __NFDBITS;
63 unsigned long _rem = fd % __NFDBITS;
64 fdsetp->fds_bits[_tmp] &= ~(1UL<<_rem);
67 #undef __FD_ISSET
68 static inline int __FD_ISSET(unsigned long fd, __const__ __kernel_fd_set *p)
70 unsigned long _tmp = fd / __NFDBITS;
71 unsigned long _rem = fd % __NFDBITS;
72 return (p->fds_bits[_tmp] & (1UL<<_rem)) != 0;
76 * This will unroll the loop for the normal constant cases (8 or 32 longs,
77 * for 256 and 1024-bit fd_sets respectively)
79 #undef __FD_ZERO
80 static inline void __FD_ZERO(__kernel_fd_set *p)
82 unsigned long *tmp = p->fds_bits;
83 int i;
85 if (__builtin_constant_p(__FDSET_LONGS)) {
86 switch (__FDSET_LONGS) {
87 case 32:
88 tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0;
89 tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0;
90 tmp[ 8] = 0; tmp[ 9] = 0; tmp[10] = 0; tmp[11] = 0;
91 tmp[12] = 0; tmp[13] = 0; tmp[14] = 0; tmp[15] = 0;
92 tmp[16] = 0; tmp[17] = 0; tmp[18] = 0; tmp[19] = 0;
93 tmp[20] = 0; tmp[21] = 0; tmp[22] = 0; tmp[23] = 0;
94 tmp[24] = 0; tmp[25] = 0; tmp[26] = 0; tmp[27] = 0;
95 tmp[28] = 0; tmp[29] = 0; tmp[30] = 0; tmp[31] = 0;
96 return;
97 case 16:
98 tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0;
99 tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0;
100 tmp[ 8] = 0; tmp[ 9] = 0; tmp[10] = 0; tmp[11] = 0;
101 tmp[12] = 0; tmp[13] = 0; tmp[14] = 0; tmp[15] = 0;
102 return;
103 case 8:
104 tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0;
105 tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0;
106 return;
107 case 4:
108 tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0;
109 return;
112 i = __FDSET_LONGS;
113 while (i) {
114 i--;
115 *tmp = 0;
116 tmp++;
120 #endif /* defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2) */
122 #endif /* !(__ARCH_SPARC_POSIX_TYPES_H) */