File: /usr/include/sys/select.h

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       1: /*
       2:  * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
       3:  *
       4:  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
       5:  * 
       6:  * This file contains Original Code and/or Modifications of Original Code
       7:  * as defined in and that are subject to the Apple Public Source License
       8:  * Version 2.0 (the 'License'). You may not use this file except in
       9:  * compliance with the License. The rights granted to you under the License
      10:  * may not be used to create, or enable the creation or redistribution of,
      11:  * unlawful or unlicensed copies of an Apple operating system, or to
      12:  * circumvent, violate, or enable the circumvention or violation of, any
      13:  * terms of an Apple operating system software license agreement.
      14:  * 
      15:  * Please obtain a copy of the License at
      16:  * http://www.opensource.apple.com/apsl/ and read it before using this file.
      17:  * 
      18:  * The Original Code and all software distributed under the License are
      19:  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
      20:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
      21:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
      22:  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
      23:  * Please see the License for the specific language governing rights and
      24:  * limitations under the License.
      25:  * 
      26:  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
      27:  */
      28: /*
      29:  * Copyright (c) 1992, 1993
      30:  *    The Regents of the University of California.  All rights reserved.
      31:  *
      32:  * Redistribution and use in source and binary forms, with or without
      33:  * modification, are permitted provided that the following conditions
      34:  * are met:
      35:  * 1. Redistributions of source code must retain the above copyright
      36:  *    notice, this list of conditions and the following disclaimer.
      37:  * 2. Redistributions in binary form must reproduce the above copyright
      38:  *    notice, this list of conditions and the following disclaimer in the
      39:  *    documentation and/or other materials provided with the distribution.
      40:  * 3. All advertising materials mentioning features or use of this software
      41:  *    must display the following acknowledgement:
      42:  *    This product includes software developed by the University of
      43:  *    California, Berkeley and its contributors.
      44:  * 4. Neither the name of the University nor the names of its contributors
      45:  *    may be used to endorse or promote products derived from this software
      46:  *    without specific prior written permission.
      47:  *
      48:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
      49:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
      50:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
      51:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
      52:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
      53:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
      54:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
      55:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
      56:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
      57:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
      58:  * SUCH DAMAGE.
      59:  *
      60:  *    @(#)select.h    8.2 (Berkeley) 1/4/94
      61:  */
      62: 
      63: #ifndef _SYS_SELECT_H_
      64: #define    _SYS_SELECT_H_
      65: 
      66: #include <sys/appleapiopts.h>
      67: #include <sys/cdefs.h>
      68: #include <sys/_types.h>
      69: 
      70: /*
      71:  * [XSI] The <sys/select.h> header shall define the fd_set type as a structure.
      72:  * The timespec structure shall be defined as described in <time.h>
      73:  * The <sys/select.h> header shall define the timeval structure.
      74:  */
      75: #include <sys/_types/_fd_def.h>
      76: #include <sys/_types/_timespec.h>
      77: #include <sys/_types/_timeval.h>
      78: 
      79: /*
      80:  * The time_t and suseconds_t types shall be defined as described in
      81:  * <sys/types.h>
      82:  * The sigset_t type shall be defined as described in <signal.h>
      83:  */
      84: #include <sys/_types/_time_t.h>
      85: #include <sys/_types/_suseconds_t.h>
      86: #include <sys/_types/_sigset_t.h>
      87: 
      88: /*
      89:  * [XSI] FD_CLR, FD_ISSET, FD_SET, FD_ZERO may be declared as a function, or
      90:  *     defined as a macro, or both
      91:  * [XSI] FD_SETSIZE shall be defined as a macro
      92:  */
      93: 
      94: /*
      95:  * Select uses bit masks of file descriptors in longs.  These macros
      96:  * manipulate such bit fields (the filesystem macros use chars).  The
      97:  * extra protection here is to permit application redefinition above
      98:  * the default size.
      99:  */
     100: #include <sys/_types/_fd_setsize.h>
     101: #include <sys/_types/_fd_set.h>
     102: #include <sys/_types/_fd_clr.h>
     103: #include <sys/_types/_fd_isset.h>
     104: #include <sys/_types/_fd_zero.h>
     105: 
     106: #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
     107: #include <sys/_types/_fd_copy.h>
     108: #endif    /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */
     109: 
     110: 
     111: __BEGIN_DECLS
     112: 
     113: #ifndef  __MWERKS__
     114: int     pselect(int, fd_set * __restrict, fd_set * __restrict,
     115:         fd_set * __restrict, const struct timespec * __restrict,
     116:         const sigset_t * __restrict)
     117: #if defined(_DARWIN_C_SOURCE) || defined(_DARWIN_UNLIMITED_SELECT)
     118:         __DARWIN_EXTSN_C(pselect)
     119: #else /* !_DARWIN_C_SOURCE && !_DARWIN_UNLIMITED_SELECT */
     120: #  if defined(__LP64__) && !__DARWIN_NON_CANCELABLE
     121:         __DARWIN_1050(pselect)
     122: #  else /* !__LP64__ || __DARWIN_NON_CANCELABLE */
     123:         __DARWIN_ALIAS_C(pselect)
     124: #  endif /* __LP64__ && !__DARWIN_NON_CANCELABLE */
     125: #endif /* _DARWIN_C_SOURCE || _DARWIN_UNLIMITED_SELECT */
     126:         ;
     127: #endif /* __MWERKS__ */
     128: 
     129: #include <sys/_select.h>    /* select() prototype */
     130: 
     131: __END_DECLS
     132: 
     133: 
     134: #endif /* !_SYS_SELECT_H_ */
     135: