17 lines
468 B
C

#ifndef _YGGDRASIL_SYS_SELECT_H
#define _YGGDRASIL_SYS_SELECT_H 1
#define FD_CLR(fd, fd_set) \
(fd_set).__bits[(fd) / FD_BITS_PER_WORD] &= ~(1 << ((fd) % FD_BITS_PER_WORD))
#define FD_ISSET(fd, fd_set) \
(!!((fd_set).__bits[(fd) / FD_BITS_PER_WORD] & (1 << ((fd) % FD_BITS_PER_WORD))))
#define FD_SET(fd, fd_set) \
(fd_set).__bits[(fd) / FD_BITS_PER_WORD] |= (1 << ((fd) % FD_BITS_PER_WORD))
#define FD_ZERO(fd_set) \
(fd_set).__bits = {0}
#endif