xnu-344.49.tar.gz

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

diff --git a/bsd/sys/select.h b/bsd/sys/select.h
index 10cf8b78c8a01882301d3c9ea18eb9b01be17346..775c58d1caa0545557b3a8d3c8cdb81903ad8937 100644 (file)
--- a/bsd/sys/select.h
+++ b/bsd/sys/select.h
@@ -1,21 +1,24 @@
 /*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
  *
  * @APPLE_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.
+ * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
  * 
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * 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.
+ * 
+ * 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 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@
  */
@@ -57,22 +60,44 @@
 #ifndef _SYS_SELECT_H_
 #define        _SYS_SELECT_H_
 
+#include <sys/appleapiopts.h>
+
+#ifdef __APPLE_API_UNSTABLE
+
+__BEGIN_DECLS
+
+#ifdef KERNEL
+#include <kern/wait_queue.h>
+#endif
+
 /*
  * Used to maintain information about processes that wish to be
  * notified when I/O becomes possible.
  */
 struct selinfo {
-       void            *si_thread;     /* thread to be notified */
-       short           si_flags;       /* see below */
+#ifdef KERNEL
+       struct  wait_queue  wait_queue;  /* wait_queue for wait/wakeup */
+#else
+       char  wait_queue[16];
+#endif
+       u_int   si_flags;       /* see below */
 };
-#define        SI_COLL 0x0001          /* collision occurred */
+
+#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 */ 
 
 #ifdef KERNEL
 struct proc;
 
-void   selrecord __P((struct proc *selector, struct selinfo *));
+void   selrecord __P((struct proc *selector, struct selinfo *, void *));
 void   selwakeup __P((struct selinfo *));
 void   selthreadclear __P((struct selinfo *));
-#endif
+#endif /* KERNEL */
+
+__END_DECLS
+
+#endif /* __APPLE_API_UNSTABLE */
 
 #endif /* !_SYS_SELECT_H_ */