diff options
Diffstat (limited to 'sysdeps/i386/bits/select.h')
| -rw-r--r-- | sysdeps/i386/bits/select.h | 33 |
1 files changed, 8 insertions, 25 deletions
diff --git a/sysdeps/i386/bits/select.h b/sysdeps/i386/bits/select.h index 972bfb685a..ab9aa3d10e 100644 --- a/sysdeps/i386/bits/select.h +++ b/sysdeps/i386/bits/select.h @@ -1,4 +1,4 @@ -/* Copyright (C) 1997, 1998, 1999, 2001 Free Software Foundation, Inc. +/* Copyright (C) 1997, 1998, 1999, 2001, 2011 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -22,7 +22,6 @@ #if defined __GNUC__ && __GNUC__ >= 2 - # define __FD_ZERO(fdsp) \ do { \ int __d0, __d1; \ @@ -34,26 +33,6 @@ : "memory"); \ } while (0) -# define __FD_SET(fd, fdsp) \ - __asm__ __volatile__ ("btsl %1,%0" \ - : "=m" (__FDS_BITS (fdsp)[__FDELT (fd)]) \ - : "r" (((int) (fd)) % __NFDBITS) \ - : "cc","memory") -# define __FD_CLR(fd, fdsp) \ - __asm__ __volatile__ ("btrl %1,%0" \ - : "=m" (__FDS_BITS (fdsp)[__FDELT (fd)]) \ - : "r" (((int) (fd)) % __NFDBITS) \ - : "cc","memory") -# define __FD_ISSET(fd, fdsp) \ - (__extension__ \ - ({register char __result; \ - __asm__ __volatile__ ("btl %1,%2 ; setcb %b0" \ - : "=q" (__result) \ - : "r" (((int) (fd)) % __NFDBITS), \ - "m" (__FDS_BITS (fdsp)[__FDELT (fd)]) \ - : "cc"); \ - __result; })) - #else /* ! GNU CC */ /* We don't use `memset' because this would require a prototype and @@ -65,8 +44,12 @@ for (__i = 0; __i < sizeof (fd_set) / sizeof (__fd_mask); ++__i) \ __FDS_BITS (__arr)[__i] = 0; \ } while (0) -# define __FD_SET(d, set) (__FDS_BITS (set)[__FDELT (d)] |= __FDMASK (d)) -# define __FD_CLR(d, set) (__FDS_BITS (set)[__FDELT (d)] &= ~__FDMASK (d)) -# define __FD_ISSET(d, set) (__FDS_BITS (set)[__FDELT (d)] & __FDMASK (d)) #endif /* GNU CC */ + +#define __FD_SET(d, set) \ + ((void) (__FDS_BITS (set)[__FDELT (d)] |= __FDMASK (d))) +#define __FD_CLR(d, set) \ + ((void) (__FDS_BITS (set)[__FDELT (d)] &= ~__FDMASK (d))) +#define __FD_ISSET(d, set) \ + ((__FDS_BITS (set)[__FDELT (d)] & __FDMASK (d)) != 0) |