diff options
Diffstat (limited to 'sysdeps/i386/bits')
| -rw-r--r-- | sysdeps/i386/bits/select.h | 74 |
1 files changed, 14 insertions, 60 deletions
diff --git a/sysdeps/i386/bits/select.h b/sysdeps/i386/bits/select.h index 2e31f3bc59..d31792d852 100644 --- a/sysdeps/i386/bits/select.h +++ b/sysdeps/i386/bits/select.h @@ -23,97 +23,51 @@ #if defined __GNUC__ && __GNUC__ >= 2 -# ifdef __USE_XOPEN -# define __FD_ZERO(fdsp) \ +# define __FD_ZERO(fdsp) \ do { \ int __d0, __d1; \ __asm__ __volatile__ ("cld; rep; stosl" \ - : "=m" ((fdsp)->fds_bits[__FDELT (__FD_SETSIZE)]), \ + : "=m" (__FDS_BITS (fdsp)[__FDELT (__FD_SETSIZE)]), \ "=&c" (__d0), "=&D" (__d1) \ : "a" (0), "1" (sizeof (__fd_set) \ / sizeof (__fd_mask)), \ - "2" (&(fdsp)->fds_bits[0]) \ + "2" (&__FDS_BITS (fdsp)[0]) \ : "memory"); \ } while (0) -# define __FD_SET(fd, fdsp) \ +# define __FD_SET(fd, fdsp) \ __asm__ __volatile__ ("btsl %1,%0" \ - : "=m" ((fdsp)->fds_bits[__FDELT (fd)]) \ + : "=m" (__FDS_BITS (fdsp)[__FDELT (fd)]) \ : "r" (((int) (fd)) % __NFDBITS) \ : "cc","memory") -# define __FD_CLR(fd, fdsp) \ +# define __FD_CLR(fd, fdsp) \ __asm__ __volatile__ ("btrl %1,%0" \ - : "=m" ((fdsp)->fds_bits[__FDELT (fd)]) \ + : "=m" (__FDS_BITS (fdsp)[__FDELT (fd)]) \ : "r" (((int) (fd)) % __NFDBITS) \ : "cc","memory") -# define __FD_ISSET(fd, fdsp) \ +# define __FD_ISSET(fd, fdsp) \ (__extension__ \ ({register char __result; \ __asm__ __volatile__ ("btl %1,%2 ; setcb %b0" \ : "=q" (__result) \ : "r" (((int) (fd)) % __NFDBITS), \ - "m" ((fdsp)->fds_bits[__FDELT (fd)]) \ + "m" (__FDS_BITS (fdsp)[__FDELT (fd)]) \ : "cc"); \ __result; })) -# else -# define __FD_ZERO(fdsp) \ - do { \ - int __d0, __d1; \ - __asm__ __volatile__ ("cld; rep; stosl" \ - : "=m" ((fdsp)->__fds_bits[__FDELT (__FD_SETSIZE)]),\ - "=&c" (__d0), "=&D" (__d1) \ - : "a" (0), "1" (sizeof (__fd_set) \ - / sizeof (__fd_mask)), \ - "2" (&(fdsp)->__fds_bits[0]) \ - : "memory"); \ - } while (0) - -# define __FD_SET(fd, fdsp) \ - __asm__ __volatile__ ("btsl %1,%0" \ - : "=m" ((fdsp)->__fds_bits[__FDELT (fd)]) \ - : "r" (((int) (fd)) % __NFDBITS) \ - : "cc","memory") -# define __FD_CLR(fd, fdsp) \ - __asm__ __volatile__ ("btrl %1,%0" \ - : "=m" ((fdsp)->__fds_bits[__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" ((fdsp)->__fds_bits[__FDELT (fd)]) \ - : "cc"); \ - __result; })) -# endif #else /* ! GNU CC */ /* We don't use `memset' because this would require a prototype and the array isn't too big. */ -# ifdef __USE_XOPEN -# define __FD_ZERO(set) \ - do { \ - unsigned int __i; \ - __fd_set *__arr = (set); \ - for (__i = 0; __i < sizeof (__fd_set) / sizeof (__fd_mask); ++__i) \ - __arr->fds_bits[__i] = 0; \ - } while (0) -# define __FD_SET(d, set) ((set)->fds_bits[__FDELT (d)] |= __FDMASK (d)) -# define __FD_CLR(d, set) ((set)->fds_bits[__FDELT (d)] &= ~__FDMASK (d)) -# define __FD_ISSET(d, set) ((set)->fds_bits[__FDELT (d)] & __FDMASK (d)) -# else +# define __FD_ZERO(set) \ do { \ unsigned int __i; \ __fd_set *__arr = (set); \ for (__i = 0; __i < sizeof (__fd_set) / sizeof (__fd_mask); ++__i) \ - __arr->__fds_bits[__i] = 0; \ + __FDS_BITS (__arr)[__i] = 0; \ } while (0) -# define __FD_SET(d, set) ((set)->__fds_bits[__FDELT (d)] |= __FDMASK (d)) -# define __FD_CLR(d, set) ((set)->__fds_bits[__FDELT (d)] &= ~__FDMASK (d)) -# define __FD_ISSET(d, set) ((set)->__fds_bits[__FDELT (d)] & __FDMASK (d)) -# endif +# 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 */ |