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Update.
1998-10-27 Ulrich Drepper <drepper@cygnus.com> * sysdeps/i386/bits/select.h [!__USE_XOPEN]: Add special version of __FD_* macros which use __fds_bits. * sysdeps/generic/bits/select.h: Likewise. Reported by Matt McLean <keys@yikes.com>.
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Ulrich Drepper
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c1a61edb7f
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2898c3a514
@ -1,3 +1,10 @@
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1998-10-27 Ulrich Drepper <drepper@cygnus.com>
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* sysdeps/i386/bits/select.h [!__USE_XOPEN]: Add special version
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of __FD_* macros which use __fds_bits.
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* sysdeps/generic/bits/select.h: Likewise.
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Reported by Matt McLean <keys@yikes.com>.
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1998-10-27 Philip Blundell <pb@nexus.co.uk>
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* elf/elf.h: Update ARM definitions.
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@ -23,13 +23,26 @@
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/* We don't use `memset' because this would require a prototype and
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the array isn't too big. */
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#define __FD_ZERO(set) \
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#ifdef __USE_XOPEN
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# define __FD_ZERO(s) \
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do { \
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unsigned int __i; \
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__fd_set *__arr = (set); \
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__fd_set *__arr = (s); \
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for (__i = 0; __i < sizeof (__fd_set) / sizeof (__fd_mask); ++__i) \
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__arr->fds_bits[__i] = '\0'; \
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} while (0)
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#define __FD_SET(d, set) ((set)->fds_bits[__FDELT(d)] |= __FDMASK(d))
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#define __FD_CLR(d, set) ((set)->fds_bits[__FDELT(d)] &= ~__FDMASK(d))
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#define __FD_ISSET(d, set) (((set)->fds_bits[__FDELT(d)] & __FDMASK(d)) != 0)
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# define __FD_SET(d, s) ((s)->fds_bits[__FDELT(d)] |= __FDMASK(d))
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# define __FD_CLR(d, s) ((s)->fds_bits[__FDELT(d)] &= ~__FDMASK(d))
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# define __FD_ISSET(d, s) (((s)->fds_bits[__FDELT(d)] & __FDMASK(d)) != 0)
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#else
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# define __FD_ZERO(s) \
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do { \
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unsigned int __i; \
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__fd_set *__arr = (s); \
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for (__i = 0; __i < sizeof (__fd_set) / sizeof (__fd_mask); ++__i) \
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__arr->__fds_bits[__i] = '\0'; \
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} while (0)
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# define __FD_SET(d, s) ((s)->__fds_bits[__FDELT(d)] |= __FDMASK(d))
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# define __FD_CLR(d, s) ((s)->__fds_bits[__FDELT(d)] &= ~__FDMASK(d))
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# define __FD_ISSET(d, s) (((s)->__fds_bits[__FDELT(d)] & __FDMASK(d)) != 0)
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#endif
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@ -23,13 +23,26 @@
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/* We don't use `memset' because this would require a prototype and
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the array isn't too big. */
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#define __FD_ZERO(set) \
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#ifdef __USE_XOPEN
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# define __FD_ZERO(s) \
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do { \
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unsigned int __i; \
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__fd_set *__arr = (set); \
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__fd_set *__arr = (s); \
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for (__i = 0; __i < sizeof (__fd_set) / sizeof (__fd_mask); ++__i) \
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__arr->fds_bits[__i] = '\0'; \
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} while (0)
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#define __FD_SET(d, set) ((set)->fds_bits[__FDELT(d)] |= __FDMASK(d))
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#define __FD_CLR(d, set) ((set)->fds_bits[__FDELT(d)] &= ~__FDMASK(d))
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#define __FD_ISSET(d, set) (((set)->fds_bits[__FDELT(d)] & __FDMASK(d)) != 0)
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# define __FD_SET(d, s) ((s)->fds_bits[__FDELT(d)] |= __FDMASK(d))
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# define __FD_CLR(d, s) ((s)->fds_bits[__FDELT(d)] &= ~__FDMASK(d))
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# define __FD_ISSET(d, s) (((s)->fds_bits[__FDELT(d)] & __FDMASK(d)) != 0)
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#else
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# define __FD_ZERO(s) \
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do { \
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unsigned int __i; \
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__fd_set *__arr = (s); \
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for (__i = 0; __i < sizeof (__fd_set) / sizeof (__fd_mask); ++__i) \
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__arr->__fds_bits[__i] = '\0'; \
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} while (0)
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# define __FD_SET(d, s) ((s)->__fds_bits[__FDELT(d)] |= __FDMASK(d))
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# define __FD_CLR(d, s) ((s)->__fds_bits[__FDELT(d)] &= ~__FDMASK(d))
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# define __FD_ISSET(d, s) (((s)->__fds_bits[__FDELT(d)] & __FDMASK(d)) != 0)
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#endif
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@ -23,51 +23,97 @@
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#if defined __GNUC__ && __GNUC__ >= 2
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# define __FD_ZERO(fdsetp) \
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# ifdef __USE_XOPEN
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# define __FD_ZERO(fdsp) \
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do { \
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int __d0, __d1; \
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__asm__ __volatile__ ("cld; rep; stosl" \
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: "=m" ((fdsetp)->fds_bits[__FDELT (__FD_SETSIZE)]),\
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: "=m" ((fdsp)->fds_bits[__FDELT (__FD_SETSIZE)]), \
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"=&c" (__d0), "=&D" (__d1) \
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: "a" (0), "1" (sizeof (__fd_set) \
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/ sizeof (__fd_mask)), \
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"2" (&(fdsetp)->fds_bits[0]) \
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"2" (&(fdsp)->fds_bits[0]) \
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: "memory"); \
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} while (0)
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# define __FD_SET(fd, fdsetp) \
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# define __FD_SET(fd, fdsp) \
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__asm__ __volatile__ ("btsl %1,%0" \
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: "=m" ((fdsetp)->fds_bits[__FDELT (fd)]) \
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: "=m" ((fdsp)->fds_bits[__FDELT (fd)]) \
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: "r" (((int) (fd)) % __NFDBITS) \
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: "cc","memory")
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# define __FD_CLR(fd, fdsetp) \
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# define __FD_CLR(fd, fdsp) \
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__asm__ __volatile__ ("btrl %1,%0" \
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: "=m" ((fdsetp)->fds_bits[__FDELT (fd)]) \
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: "=m" ((fdsp)->fds_bits[__FDELT (fd)]) \
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: "r" (((int) (fd)) % __NFDBITS) \
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: "cc","memory")
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# define __FD_ISSET(fd, fdsetp) \
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# define __FD_ISSET(fd, fdsp) \
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(__extension__ \
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({register char __result; \
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__asm__ __volatile__ ("btl %1,%2 ; setcb %b0" \
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: "=q" (__result) \
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: "r" (((int) (fd)) % __NFDBITS), \
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"m" ((fdsetp)->fds_bits[__FDELT (fd)]) \
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"m" ((fdsp)->fds_bits[__FDELT (fd)]) \
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: "cc"); \
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__result; }))
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# else
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# define __FD_ZERO(fdsp) \
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do { \
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int __d0, __d1; \
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__asm__ __volatile__ ("cld; rep; stosl" \
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: "=m" ((fdsp)->__fds_bits[__FDELT (__FD_SETSIZE)]),\
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"=&c" (__d0), "=&D" (__d1) \
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: "a" (0), "1" (sizeof (__fd_set) \
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/ sizeof (__fd_mask)), \
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"2" (&(fdsp)->__fds_bits[0]) \
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: "memory"); \
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} while (0)
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# define __FD_SET(fd, fdsp) \
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__asm__ __volatile__ ("btsl %1,%0" \
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: "=m" ((fdsp)->__fds_bits[__FDELT (fd)]) \
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: "r" (((int) (fd)) % __NFDBITS) \
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: "cc","memory")
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# define __FD_CLR(fd, fdsp) \
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__asm__ __volatile__ ("btrl %1,%0" \
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: "=m" ((fdsp)->__fds_bits[__FDELT (fd)]) \
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: "r" (((int) (fd)) % __NFDBITS) \
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: "cc","memory")
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# define __FD_ISSET(fd, fdsp) \
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(__extension__ \
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({register char __result; \
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__asm__ __volatile__ ("btl %1,%2 ; setcb %b0" \
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: "=q" (__result) \
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: "r" (((int) (fd)) % __NFDBITS), \
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"m" ((fdsp)->__fds_bits[__FDELT (fd)]) \
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: "cc"); \
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__result; }))
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# endif
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#else /* ! GNU CC */
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/* We don't use `memset' because this would require a prototype and
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the array isn't too big. */
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# define __FD_ZERO(set) \
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# ifdef __USE_XOPEN
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# define __FD_ZERO(set) \
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do { \
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unsigned int __i; \
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__fd_set *__arr = (set); \
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for (__i = 0; __i < sizeof (__fd_set) / sizeof (__fd_mask); ++__i) \
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__arr->fds_bits[__i] = 0; \
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} while (0)
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# define __FD_SET(d, set) ((set)->fds_bits[__FDELT (d)] |= __FDMASK (d))
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# define __FD_CLR(d, set) ((set)->fds_bits[__FDELT (d)] &= ~__FDMASK (d))
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# define __FD_ISSET(d, set) ((set)->fds_bits[__FDELT (d)] & __FDMASK (d))
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# define __FD_SET(d, set) ((set)->fds_bits[__FDELT (d)] |= __FDMASK (d))
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# define __FD_CLR(d, set) ((set)->fds_bits[__FDELT (d)] &= ~__FDMASK (d))
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# define __FD_ISSET(d, set) ((set)->fds_bits[__FDELT (d)] & __FDMASK (d))
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# else
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do { \
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unsigned int __i; \
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__fd_set *__arr = (set); \
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for (__i = 0; __i < sizeof (__fd_set) / sizeof (__fd_mask); ++__i) \
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__arr->__fds_bits[__i] = 0; \
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} while (0)
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# define __FD_SET(d, set) ((set)->__fds_bits[__FDELT (d)] |= __FDMASK (d))
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# define __FD_CLR(d, set) ((set)->__fds_bits[__FDELT (d)] &= ~__FDMASK (d))
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# define __FD_ISSET(d, set) ((set)->__fds_bits[__FDELT (d)] & __FDMASK (d))
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# endif
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#endif /* GNU CC */
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