xnu-6153.61.1.tar.gz

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

diff --git a/bsd/sys/select.h b/bsd/sys/select.h
index 45982c2c22049b24ccbd3f4f4298f9a4f60769f4..2fb516833d8e02496ac847799a2cdf8a9bc8e9dc 100644 (file)
--- a/bsd/sys/select.h
+++ b/bsd/sys/select.h
@@ -1,31 +1,29 @@
 /*
  * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
  *
 /*
  * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
  *

- * @APPLE_LICENSE_OSREFERENCE_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 
- * 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.
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@

  *
  *

- * Please obtain a copy of the License at 
- * http://www.opensource.apple.com/apsl/ 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.

  *
  *

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

- * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@

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


@@ -63,52 +61,35 @@
  */
 
 #ifndef _SYS_SELECT_H_
  */
 
 #ifndef _SYS_SELECT_H_

-#define        _SYS_SELECT_H_
+#define _SYS_SELECT_H_

 
 #include <sys/appleapiopts.h>
 #include <sys/cdefs.h>
 #include <sys/_types.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>
 /*
  * 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>

- * The timespec structure shall be defined as described in <time.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
-
-#ifndef _TIMESPEC
-#define _TIMESPEC
-struct timespec {
-       time_t  tv_sec;
-       long    tv_nsec;
-};
-#endif
+#include <sys/_types/_time_t.h>
+#include <sys/_types/_suseconds_t.h>
+#include <sys/_types/_sigset_t.h>

 
 /*
 
 /*

- * [XSI] The <sys/select.h> header shall define the fd_set type as a structure.

  * [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
  * [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

- *
- * Note:       We use _FD_SET to protect all select related
- *             types and macros

  */
  */

-#ifndef _FD_SET
-#define        _FD_SET

 
 /*
  * Select uses bit masks of file descriptors in longs.  These macros
 
 /*
  * Select uses bit masks of file descriptors in longs.  These macros


@@ -116,42 +97,19 @@ struct timespec {
  * extra protection here is to permit application redefinition above
  * the default size.
  */
  * extra protection here is to permit application redefinition above
  * the default size.
  */

-#ifndef        FD_SETSIZE
-#define        FD_SETSIZE      1024
-#endif
-
-#define        __DARWIN_NBBY   8                               /* bits in a byte */
-#define __DARWIN_NFDBITS       (sizeof(__int32_t) * __DARWIN_NBBY) /* bits per mask */
-#define        __DARWIN_howmany(x, y) (((x) + ((y) - 1)) / (y))        /* # y's == x bits? */
+#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>

 
 

-typedef        struct fd_set {
-       __int32_t       fds_bits[__DARWIN_howmany(FD_SETSIZE, __DARWIN_NFDBITS)];
-} fd_set;
-
-#define        FD_SET(n, p)    ((p)->fds_bits[(n)/__DARWIN_NFDBITS] |= (1<<((n) % __DARWIN_NFDBITS)))
-#define        FD_CLR(n, p)    ((p)->fds_bits[(n)/__DARWIN_NFDBITS] &= ~(1<<((n) % __DARWIN_NFDBITS)))
-#define        FD_ISSET(n, p)  ((p)->fds_bits[(n)/__DARWIN_NFDBITS] & (1<<((n) % __DARWIN_NFDBITS)))
-#if __GNUC__ > 3 || __GNUC__ == 3 && __GNUC_MINOR__ >= 3
-/*
- * Use the built-in bzero function instead of the library version so that
- * we do not pollute the namespace or introduce prototype warnings.
- */
-#define        FD_ZERO(p)      __builtin_bzero(p, sizeof(*(p)))
-#else
-#define        FD_ZERO(p)      bzero(p, sizeof(*(p)))
-#endif
-#ifndef _POSIX_C_SOURCE
-#define        FD_COPY(f, t)   bcopy(f, t, sizeof(*(f)))
-#endif /* !_POSIX_C_SOURCE */
-
-#endif /* !_FD_SET */
+#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
+#include <sys/_types/_fd_copy.h>
+#endif  /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */

 
 #ifdef KERNEL
 
 #ifdef KERNEL

-#ifdef KERNEL_PRIVATE
-#include <kern/wait_queue.h>
-#endif

 #include <sys/kernel_types.h>
 #include <sys/kernel_types.h>

-
+#include <kern/waitq.h>

 #include <sys/event.h>
 
 /*
 #include <sys/event.h>
 
 /*


@@ -160,15 +118,16 @@ typedef   struct fd_set {
  */
 #ifdef KERNEL_PRIVATE
 struct selinfo {
  */
 #ifdef KERNEL_PRIVATE
 struct selinfo {

-       struct  wait_queue si_wait_queue;       /* wait_queue for wait/wakeup */
-       struct klist si_note;           /* JMM - temporary separation */
-       u_int   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_RECORDED     0x0004          /* select has been recorded */ 
-#define        SI_INITED       0x0008          /* selinfo has been inited */ 
-#define        SI_CLEAR        0x0010          /* selinfo has been cleared */ 
+#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 */
+#define SI_KNPOSTING    0x0020          /* posting to knotes */

 
 #else
 struct selinfo;
 
 #else
 struct selinfo;


@@ -176,33 +135,37 @@ struct selinfo;
 
 __BEGIN_DECLS
 
 
 __BEGIN_DECLS
 

-void   selrecord(proc_t selector, struct selinfo *, void *);
-void   selwakeup(struct selinfo *);
-void   selthreadclear(struct selinfo *);
+extern int selwait;
+void    selrecord(proc_t selector, struct selinfo *, void *);
+void    selwakeup(struct selinfo *);
+void    selthreadclear(struct selinfo *);

 
 __END_DECLS
 
 
 __END_DECLS
 

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

 
 

+__BEGIN_DECLS

 
 

-#ifndef KERNEL
-#ifndef _POSIX_C_SOURCE
-#include <sys/types.h>

 #ifndef  __MWERKS__
 #ifndef  __MWERKS__

-#include <signal.h>
+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__ */
 #endif /* __MWERKS__ */

-#include <sys/time.h>
-#endif /* !_POSIX_C_SOURCE */

 
 

-__BEGIN_DECLS
-#ifndef  __MWERKS__
-int     pselect(int, fd_set * __restrict, fd_set * __restrict,
-               fd_set * __restrict, const struct timespec * __restrict,
-               const sigset_t * __restrict);
-#endif /* __MWERKS__ */
-int     select(int, fd_set * __restrict, fd_set * __restrict,
-               fd_set * __restrict, struct timeval * __restrict);
+#include <sys/_select.h>        /* select() prototype */
+

 __END_DECLS
 __END_DECLS

+

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