xnu-4903.241.1.tar.gz

[apple/xnu.git] / bsd / sys / select.h

diff --git a/bsd/sys/select.h b/bsd/sys/select.h
index 615d5789ee63f705c1f4da8cf09e359104aafed3..1fa3f7605e2176567ceeb50dbc8cafe63569192f 100644 (file)
--- a/bsd/sys/select.h
+++ b/bsd/sys/select.h
@@ -1,23 +1,29 @@
 /*
 /*

- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.

  *
  *

- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@

  * 
  * 

- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License").  You may not use this file except in compliance with the
- * License.  Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.

  * 
  * 

- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
+ * 
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER

  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,

- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
- * License for the specific language governing rights and limitations
- * under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.

  * 
  * 

- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@

  */
 /*
  * Copyright (c) 1992, 1993
  */
 /*
  * Copyright (c) 1992, 1993


@@ -57,23 +63,108 @@
 #ifndef _SYS_SELECT_H_
 #define        _SYS_SELECT_H_
 
 #ifndef _SYS_SELECT_H_
 #define        _SYS_SELECT_H_
 

+#include <sys/appleapiopts.h>
+#include <sys/cdefs.h>
+#include <sys/_types.h>
+
+/*
+ * [XSI] The <sys/select.h> header shall define the fd_set type as a structure.
+ * The timespec structure shall be defined as described in <time.h>
+ * The <sys/select.h> header shall define the timeval structure.
+ */
+#include <sys/_types/_fd_def.h>
+#include <sys/_types/_timespec.h>
+#include <sys/_types/_timeval.h>
+
+/*
+ * The time_t and suseconds_t types shall be defined as described in
+ * <sys/types.h>
+ * The sigset_t type shall be defined as described in <signal.h>
+ */
+#include <sys/_types/_time_t.h>
+#include <sys/_types/_suseconds_t.h>
+#include <sys/_types/_sigset_t.h>
+
+/*
+ * [XSI] FD_CLR, FD_ISSET, FD_SET, FD_ZERO may be declared as a function, or
+ *      defined as a macro, or both
+ * [XSI] FD_SETSIZE shall be defined as a macro
+ */
+
+/*
+ * Select uses bit masks of file descriptors in longs.  These macros
+ * manipulate such bit fields (the filesystem macros use chars).  The
+ * extra protection here is to permit application redefinition above
+ * the default size.
+ */
+#include <sys/_types/_fd_setsize.h>
+#include <sys/_types/_fd_set.h>
+#include <sys/_types/_fd_clr.h>
+#include <sys/_types/_fd_isset.h>
+#include <sys/_types/_fd_zero.h>
+
+#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
+#include <sys/_types/_fd_copy.h>
+#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */
+
+#ifdef KERNEL
+#include <sys/kernel_types.h>
+#include <kern/waitq.h>
+#include <sys/event.h>
+

 /*
  * Used to maintain information about processes that wish to be
  * notified when I/O becomes possible.
  */
 /*
  * Used to maintain information about processes that wish to be
  * notified when I/O becomes possible.
  */

+#ifdef KERNEL_PRIVATE

 struct selinfo {
 struct selinfo {

-       void            *si_thread;     /* thread to be notified */
-       short           si_flags;       /* see below */
+       struct  waitq si_waitq;         /* waitq for wait/wakeup */
+       struct  klist si_note;          /* JMM - temporary separation */
+       u_int   si_flags;               /* see below */

 };
 };

-#define        SI_COLL         0x0001          /* collision occurred */
-#define        SI_SBSEL        0x0002          /* select socket buffer wanted  replaces SB_SEL */ 

 
 

-#ifdef KERNEL
-struct proc;
+#define        SI_COLL         0x0001          /* collision occurred */
+#define        SI_RECORDED     0x0004          /* select has been recorded */ 
+#define        SI_INITED       0x0008          /* selinfo has been inited */ 
+#define        SI_CLEAR        0x0010          /* selinfo has been cleared */ 

 
 

-void   selrecord __P((struct proc *selector, struct selinfo *));
-void   selwakeup __P((struct selinfo *));
-void   selthreadclear __P((struct selinfo *));
+#else
+struct selinfo;

 #endif
 
 #endif
 

+__BEGIN_DECLS
+
+extern int selwait;
+void   selrecord(proc_t selector, struct selinfo *, void *);
+void   selwakeup(struct selinfo *);
+void   selthreadclear(struct selinfo *);
+
+__END_DECLS
+
+#else /* !KERNEL */
+
+__BEGIN_DECLS
+
+#ifndef  __MWERKS__
+int     pselect(int, fd_set * __restrict, fd_set * __restrict,
+               fd_set * __restrict, const struct timespec * __restrict,
+               const sigset_t * __restrict)
+#if defined(_DARWIN_C_SOURCE) || defined(_DARWIN_UNLIMITED_SELECT)
+               __DARWIN_EXTSN_C(pselect)
+#else /* !_DARWIN_C_SOURCE && !_DARWIN_UNLIMITED_SELECT */
+#  if defined(__LP64__) && !__DARWIN_NON_CANCELABLE
+               __DARWIN_1050(pselect)
+#  else /* !__LP64__ || __DARWIN_NON_CANCELABLE */
+               __DARWIN_ALIAS_C(pselect)
+#  endif /* __LP64__ && !__DARWIN_NON_CANCELABLE */
+#endif /* _DARWIN_C_SOURCE || _DARWIN_UNLIMITED_SELECT */
+               ;
+#endif /* __MWERKS__ */
+
+#include <sys/_select.h>       /* select() prototype */
+
+__END_DECLS
+
+#endif /* ! KERNEL */
+

 #endif /* !_SYS_SELECT_H_ */
 #endif /* !_SYS_SELECT_H_ */