9 #define __NEED_struct_timeval
10 #define __NEED_struct_timespec
11 #define __NEED_sigset_t
13 #include <bits/alltypes.h>
15 #define FD_SETSIZE 1024
19 unsigned long fds_bits[FD_SETSIZE / 8 / sizeof(long)];
22 #define FD_ZERO(s) do { int __i; unsigned long *__b=(s)->fds_bits; for(__i=sizeof (fd_set)/sizeof (long); __i; __i--) *__b++=0; } while(0)
23 #define FD_SET(d, s) ((s)->fds_bits[(d)/(8*sizeof(long))] |= (1<<((d)%(8*sizeof(long)))))
24 #define FD_CLR(d, s) ((s)->fds_bits[(d)/(8*sizeof(long))] &= ~(1<<((d)%(8*sizeof(long)))))
25 #define FD_ISSET(d, s) ((s)->fds_bits[(d)/(8*sizeof(long))] & (1<<((d)%(8*sizeof(long)))))
27 int select (int, fd_set *, fd_set *, fd_set *, struct timeval *);
28 int pselect (int, fd_set *, fd_set *, fd_set *, const struct timespec *, const sigset_t *);