diff options
Diffstat (limited to 'lib/libc/include/i386-linux-gnu/bits/select.h')
| -rw-r--r-- | lib/libc/include/i386-linux-gnu/bits/select.h | 42 |
1 files changed, 8 insertions, 34 deletions
diff --git a/lib/libc/include/i386-linux-gnu/bits/select.h b/lib/libc/include/i386-linux-gnu/bits/select.h index 959d998266..d71b5e4ce2 100644 --- a/lib/libc/include/i386-linux-gnu/bits/select.h +++ b/lib/libc/include/i386-linux-gnu/bits/select.h @@ -19,45 +19,19 @@ # error "Never use <bits/select.h> directly; include <sys/select.h> instead." #endif -#include <bits/wordsize.h> - - -#if defined __GNUC__ && __GNUC__ >= 2 - -# if __WORDSIZE == 64 -# define __FD_ZERO_STOS "stosq" -# else -# define __FD_ZERO_STOS "stosl" -# endif - -# define __FD_ZERO(fdsp) \ - do { \ - int __d0, __d1; \ - __asm__ __volatile__ ("cld; rep; " __FD_ZERO_STOS \ - : "=c" (__d0), "=D" (__d1) \ - : "a" (0), "0" (sizeof (fd_set) \ - / sizeof (__fd_mask)), \ - "1" (&__FDS_BITS (fdsp)[0]) \ - : "memory"); \ - } while (0) - -#else /* ! GNU CC */ /* We don't use `memset' because this would require a prototype and the array isn't too big. */ -# define __FD_ZERO(set) \ +#define __FD_ZERO(s) \ do { \ unsigned int __i; \ - fd_set *__arr = (set); \ + fd_set *__arr = (s); \ for (__i = 0; __i < sizeof (fd_set) / sizeof (__fd_mask); ++__i) \ __FDS_BITS (__arr)[__i] = 0; \ } while (0) - -#endif /* GNU CC */ - -#define __FD_SET(d, set) \ - ((void) (__FDS_BITS (set)[__FD_ELT (d)] |= __FD_MASK (d))) -#define __FD_CLR(d, set) \ - ((void) (__FDS_BITS (set)[__FD_ELT (d)] &= ~__FD_MASK (d))) -#define __FD_ISSET(d, set) \ - ((__FDS_BITS (set)[__FD_ELT (d)] & __FD_MASK (d)) != 0)
\ No newline at end of file +#define __FD_SET(d, s) \ + ((void) (__FDS_BITS (s)[__FD_ELT(d)] |= __FD_MASK(d))) +#define __FD_CLR(d, s) \ + ((void) (__FDS_BITS (s)[__FD_ELT(d)] &= ~__FD_MASK(d))) +#define __FD_ISSET(d, s) \ + ((__FDS_BITS (s)[__FD_ELT (d)] & __FD_MASK (d)) != 0)
\ No newline at end of file |