Mercurial > projects > ldc
diff druntime/import/stdc/posix/sys/select.d @ 760:6f33b427bfd1
Seems like hg ignores .di files, so I missed a bunch of stuff. complete druntime should be there now :)
author | Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> |
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date | Wed, 12 Nov 2008 00:19:18 +0100 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/druntime/import/stdc/posix/sys/select.d Wed Nov 12 00:19:18 2008 +0100 @@ -0,0 +1,150 @@ +/** + * D header file for POSIX. + * + * Copyright: Public Domain + * License: Public Domain + * Authors: Sean Kelly + * Standards: The Open Group Base Specifications Issue 6, IEEE Std 1003.1, 2004 Edition + */ +module stdc.posix.sys.select; + +private import stdc.posix.config; +public import stdc.time; // for timespec +public import stdc.posix.sys.time; // for timeval +public import stdc.posix.sys.types; // for time_t +public import stdc.posix.signal; // for sigset_t + +extern (C): + +// +// Required +// +/* +NOTE: This module requires timeval from stdc.posix.sys.time, but timeval + is supposedly an XOpen extension. As a result, this header will not + compile on platforms that are not XSI-compliant. This must be resolved + on a per-platform basis. + +fd_set + +void FD_CLR(int fd, fd_set* fdset); +int FD_ISSET(int fd, fd_set* fdset); +void FD_SET(int fd, fd_set* fdset); +void FD_ZERO(fd_set* fdset); + +FD_SETSIZE + +int pselect(int, fd_set*, fd_set*, fd_set*, in timespec*, in sigset_t*); +int select(int, fd_set*, fd_set*, fd_set*, timeval*); +*/ + +version( linux ) +{ + private + { + alias c_long __fd_mask; + const __NFDBITS = 8 * __fd_mask.sizeof; + + extern (D) int __FDELT( int d ) + { + return d / __NFDBITS; + } + + extern (D) int __FDMASK( int d ) + { + return cast(__fd_mask) 1 << ( d % __NFDBITS ); + } + } + + const FD_SETSIZE = 1024; + + struct fd_set + { + __fd_mask[FD_SETSIZE / __NFDBITS] fds_bits; + } + + extern (D) void FD_CLR( int fd, fd_set* fdset ) + { + fdset.fds_bits[__FDELT( fd )] &= ~__FDMASK( fd ); + } + + extern (D) int FD_ISSET( int fd, fd_set* fdset ) + { + return fdset.fds_bits[__FDELT( fd )] & __FDMASK( fd ); + } + + extern (D) void FD_SET( int fd, fd_set* fdset ) + { + fdset.fds_bits[__FDELT( fd )] |= __FDMASK( fd ); + } + + extern (D) void FD_ZERO( fd_set* fdset ) + { + fdset.fds_bits[0 .. $] = 0; + } + + /+ + + GNU ASM Implementation + + + # define __FD_ZERO(fdsp) \ + do { \ + int __d0, __d1; \ + __asm__ __volatile__ ("cld; rep; stosl" \ + : "=c" (__d0), "=D" (__d1) \ + : "a" (0), "0" (sizeof (fd_set) \ + / sizeof (__fd_mask)), \ + "1" (&__FDS_BITS (fdsp)[0]) \ + : "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; })) + +/ + + int pselect(int, fd_set*, fd_set*, fd_set*, in timespec*, in sigset_t*); + int select(int, fd_set*, fd_set*, fd_set*, timeval*); +} +else version( darwin ) +{ + private + { + const uint __DARWIN_NBBY = 8; /* bits in a byte */ + const uint __DARWIN_NFDBITS = (int.sizeof * __DARWIN_NBBY); /* bits per mask */ + } + + const FD_SETSIZE = 1024; + + struct fd_set + { + int fds_bits[(((FD_SETSIZE) + ((__DARWIN_NFDBITS) - 1)) / (__DARWIN_NFDBITS))]; + } +} +else version( freebsd ) +{ + private + { + const uint FD_SETSIZE = 1024; + const uint _NFDBITS = c_ulong.sizeof * 8; + } + struct fd_set + { + c_ulong fds_bits[((FD_SETSIZE + (_NFDBITS - 1)) / _NFDBITS)]; + } +}