--- /dev/null
+#ifndef _X86_64_POSIX_TYPES_H
+#define _X86_64_POSIX_TYPES_H
+
+/*
+ * This file is generally used by user-level software, so you need to
+ * be a little careful about namespace pollution etc. Also, we cannot
+ * assume GCC is being used.
+ */
+
+typedef unsigned long __kernel_ino_t;
+typedef unsigned int __kernel_mode_t;
+typedef unsigned long __kernel_nlink_t;
+typedef long __kernel_off_t;
+typedef int __kernel_pid_t;
+typedef int __kernel_ipc_pid_t;
+typedef unsigned int __kernel_uid_t;
+typedef unsigned int __kernel_gid_t;
+typedef unsigned long __kernel_size_t;
+typedef long __kernel_ssize_t;
+typedef long __kernel_ptrdiff_t;
+typedef unsigned long __kernel_uintptr_t;
+typedef long __kernel_time_t;
+typedef long __kernel_suseconds_t;
+typedef long __kernel_clock_t;
+typedef int __kernel_timer_t;
+typedef int __kernel_clockid_t;
+typedef int __kernel_daddr_t;
+typedef char * __kernel_caddr_t;
+typedef long long __kernel_loff_t;
+
+typedef struct {
+ int val[2];
+} __kernel_fsid_t;
+
+#ifdef __KERNEL__
+
+#undef __FD_SET
+static __inline__ void __FD_SET(unsigned long fd, __kernel_fd_set *fdsetp)
+{
+ unsigned long _tmp = fd / __NFDBITS;
+ unsigned long _rem = fd % __NFDBITS;
+ fdsetp->fds_bits[_tmp] |= (1UL<<_rem);
+}
+
+#undef __FD_CLR
+static __inline__ void __FD_CLR(unsigned long fd, __kernel_fd_set *fdsetp)
+{
+ unsigned long _tmp = fd / __NFDBITS;
+ unsigned long _rem = fd % __NFDBITS;
+ fdsetp->fds_bits[_tmp] &= ~(1UL<<_rem);
+}
+
+#undef __FD_ISSET
+static __inline__ int __FD_ISSET(unsigned long fd, __const__ __kernel_fd_set *p)
+{
+ unsigned long _tmp = fd / __NFDBITS;
+ unsigned long _rem = fd % __NFDBITS;
+ return (p->fds_bits[_tmp] & (1UL<<_rem)) != 0;
+}
+
+/*
+ * This will unroll the loop for the normal constant cases (8 or 32 longs,
+ * for 256 and 1024-bit fd_sets respectively)
+ */
+#undef __FD_ZERO
+static __inline__ void __FD_ZERO(__kernel_fd_set *p)
+{
+ unsigned long *tmp = p->fds_bits;
+ int i;
+
+ if (__builtin_constant_p(__FDSET_LONGS)) {
+ switch (__FDSET_LONGS) {
+ case 32:
+ tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0;
+ tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0;
+ tmp[ 8] = 0; tmp[ 9] = 0; tmp[10] = 0; tmp[11] = 0;
+ tmp[12] = 0; tmp[13] = 0; tmp[14] = 0; tmp[15] = 0;
+ tmp[16] = 0; tmp[17] = 0; tmp[18] = 0; tmp[19] = 0;
+ tmp[20] = 0; tmp[21] = 0; tmp[22] = 0; tmp[23] = 0;
+ tmp[24] = 0; tmp[25] = 0; tmp[26] = 0; tmp[27] = 0;
+ tmp[28] = 0; tmp[29] = 0; tmp[30] = 0; tmp[31] = 0;
+ return;
+ case 16:
+ tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0;
+ tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0;
+ tmp[ 8] = 0; tmp[ 9] = 0; tmp[10] = 0; tmp[11] = 0;
+ tmp[12] = 0; tmp[13] = 0; tmp[14] = 0; tmp[15] = 0;
+ return;
+ case 8:
+ tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0;
+ tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0;
+ return;
+ case 4:
+ tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0;
+ return;
+ }
+ }
+ i = __FDSET_LONGS;
+ while (i) {
+ i--;
+ *tmp = 0;
+ tmp++;
+ }
+}
+
+#endif /* defined(__KERNEL__) */
+
+#endif
