xnu-1699.26.8.tar.gz

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

diff --git a/bsd/sys/select.h b/bsd/sys/select.h
index 775c58d1caa0545557b3a8d3c8cdb81903ad8937..79237174b7eb606a8e67fc553f3dfe190972fe65 100644 (file)
--- a/bsd/sys/select.h
+++ b/bsd/sys/select.h
@@ -1,16 +1,19 @@
 /*
 /*

- * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.

  *
  *

- * @APPLE_LICENSE_HEADER_START@
- * 
- * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@

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


@@ -20,7 +23,7 @@
  * Please see the License for the specific language governing rights and
  * limitations under the License.
  * 
  * 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


@@ -61,26 +64,89 @@
 #define        _SYS_SELECT_H_
 
 #include <sys/appleapiopts.h>
 #define        _SYS_SELECT_H_
 
 #include <sys/appleapiopts.h>

+#include <sys/cdefs.h>
+#include <sys/_types.h>

 
 

-#ifdef __APPLE_API_UNSTABLE
+/*
+ * [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.
+ */
+#define __need_fd_set
+#define __need_struct_timespec
+#define __need_struct_timeval
+#include <sys/_structs.h>

 
 

-__BEGIN_DECLS
+/*
+ * 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>
+ */
+#ifndef        _TIME_T
+#define        _TIME_T
+typedef        __darwin_time_t         time_t;
+#endif
+
+#ifndef _SUSECONDS_T
+#define _SUSECONDS_T
+typedef __darwin_suseconds_t   suseconds_t;
+#endif
+
+#ifndef _SIGSET_T
+#define _SIGSET_T
+typedef __darwin_sigset_t      sigset_t;
+#endif
+
+/*
+ * [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.
+ */
+#ifndef        FD_SETSIZE
+#define        FD_SETSIZE      __DARWIN_FD_SETSIZE
+#endif /* FD_SETSIZE */
+#ifndef FD_SET
+#define        FD_SET(n, p)    __DARWIN_FD_SET(n, p)
+#endif /* FD_SET */
+#ifndef FD_CLR
+#define        FD_CLR(n, p)    __DARWIN_FD_CLR(n, p)
+#endif /* FD_CLR */
+#ifndef FD_ISSET
+#define        FD_ISSET(n, p)  __DARWIN_FD_ISSET(n, p)
+#endif /* FD_ISSET */
+#ifndef FD_ZERO
+#define        FD_ZERO(p)      __DARWIN_FD_ZERO(p)
+#endif /* FD_ZERO */
+#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
+#ifndef FD_COPY
+#define        FD_COPY(f, t)   __DARWIN_FD_COPY(f, t)
+#endif /* FD_COPY */
+#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */

 
 #ifdef KERNEL
 
 #ifdef KERNEL

+#ifdef KERNEL_PRIVATE

 #include <kern/wait_queue.h>
 #endif
 #include <kern/wait_queue.h>
 #endif

+#include <sys/kernel_types.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 {

-#ifdef KERNEL
-       struct  wait_queue  wait_queue;  /* wait_queue for wait/wakeup */
-#else
-       char  wait_queue[16];
-#endif
-       u_int   si_flags;       /* see below */
+       struct  wait_queue si_wait_queue;       /* wait_queue for wait/wakeup */
+       struct klist si_note;           /* JMM - temporary separation */
+       u_int   si_flags;               /* see below */

 };
 
 #define        SI_COLL         0x0001          /* collision occurred */
 };
 
 #define        SI_COLL         0x0001          /* collision occurred */


@@ -88,16 +154,43 @@ struct selinfo {
 #define        SI_INITED       0x0008          /* selinfo has been inited */ 
 #define        SI_CLEAR        0x0010          /* selinfo has been cleared */ 
 
 #define        SI_INITED       0x0008          /* selinfo has been inited */ 
 #define        SI_CLEAR        0x0010          /* selinfo has been cleared */ 
 

-#ifdef KERNEL
-struct proc;
+#else
+struct selinfo;
+#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__ */

 
 

-void   selrecord __P((struct proc *selector, struct selinfo *, void *));
-void   selwakeup __P((struct selinfo *));
-void   selthreadclear __P((struct selinfo *));
-#endif /* KERNEL */
+#include <sys/_select.h>       /* select() prototype */

 
 __END_DECLS
 
 
 __END_DECLS
 

-#endif /* __APPLE_API_UNSTABLE */
+#endif /* ! KERNEL */

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