From 0b44a0315b47dd8eced9f3b7f31580cf14bbfc01 Mon Sep 17 00:00:00 2001 From: Rich Felker Date: Sat, 12 Feb 2011 00:22:29 -0500 Subject: initial check-in, version 0.5.0 --- include/sys/select.h | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 include/sys/select.h (limited to 'include/sys/select.h') diff --git a/include/sys/select.h b/include/sys/select.h new file mode 100644 index 00000000..c44eada4 --- /dev/null +++ b/include/sys/select.h @@ -0,0 +1,34 @@ +#ifndef _SYS_SELECT_H +#define _SYS_SELECT_H +#ifdef __cplusplus +extern "C" { +#endif + +#define __NEED_size_t +#define __NEED_time_t +#define __NEED_struct_timeval +#define __NEED_struct_timespec +#define __NEED_sigset_t + +#include + +#define FD_SETSIZE 1024 + +typedef struct +{ + unsigned long fds_bits[FD_SETSIZE / 8 / sizeof(long)]; +} fd_set; + +#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) +#define FD_SET(d, s) ((s)->fds_bits[(d)/(8*sizeof(long))] |= (1<<((d)%(8*sizeof(long))))) +#define FD_CLR(d, s) ((s)->fds_bits[(d)/(8*sizeof(long))] &= ~(1<<((d)%(8*sizeof(long))))) +#define FD_ISSET(d, s) ((s)->fds_bits[(d)/(8*sizeof(long))] & (1<<((d)%(8*sizeof(long))))) + +int select (int, fd_set *, fd_set *, fd_set *, struct timeval *); +int pselect (int, fd_set *, fd_set *, fd_set *, const struct timespec *, const sigset_t *); + + +#ifdef __cplusplus +} +#endif +#endif -- cgit v1.2.1