xnu-1456.1.26.tar.gz

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

diff --git a/bsd/sys/eventvar.h b/bsd/sys/eventvar.h
index 8206a720122862e6577fc7b5ba7385d6d7e5fe58..b941875728cf44fbe6ddba7142307246865ab4bb 100644 (file)
--- a/bsd/sys/eventvar.h
+++ b/bsd/sys/eventvar.h
@@ -1,23 +1,29 @@
 /*
  * Copyright (c) 2003 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,
- * 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) 1999,2000 Jonathan Lemon <jlemon@FreeBSD.org>
@@ -58,27 +64,31 @@
 #define KQEXTENT       256             /* linear growth by this amount */
 
 struct kqueue {
-       decl_lck_spin_data( ,kq_lock)           /* kqueue lock */
+       wait_queue_set_t kq_wqs;        /* private wait queue set */
+       decl_lck_spin_data( ,kq_lock)   /* kqueue lock */
        int             kq_state;
-       int             kq_count;               /* number of queued events */
-       struct kqtailq  kq_head;                /* list of queued events */
-       struct kqtailq  kq_inprocess;           /* list of in-process events */
+       int             kq_count;       /* number of queued events */
+       uint32_t        kq_nprocess;    /* atomic counter for kqueue_process */
+       struct kqtailq  kq_head;        /* list of queued events */
        struct selinfo  kq_sel;         /* parent select/kqueue info */
-       struct filedesc *kq_fdp;
+       struct proc     *kq_p;          /* process containing kqueue */
+       int             kq_level;       /* nesting level */
 
 #define KQ_SEL         0x01
 #define KQ_SLEEP       0x02
 #define KQ_PROCWAIT    0x04
+#define KQ_KEV32       0x08
+#define KQ_KEV64       0x10
 };
 
 extern struct kqueue *kqueue_alloc(struct proc *);
-extern void kqueue_dealloc(struct kqueue *, struct proc *);
+extern void kqueue_dealloc(struct kqueue *);
 
-typedef int (*kevent_callback_t)(struct kqueue *, struct kevent *, void *);
-typedef void (*kevent_continue_t)(struct kqueue *, void *, int);
+typedef int (*kevent_callback_t)(struct kqueue *, struct kevent64_s *, void *);
+typedef void (*kqueue_continue_t)(struct kqueue *, void *, int);
 
-extern int kevent_register(struct kqueue *, struct kevent *, struct proc *);
-extern int kevent_scan(struct kqueue *, kevent_callback_t, kevent_continue_t,
+extern int kevent_register(struct kqueue *, struct kevent64_s *, struct proc *);
+extern int kqueue_scan(struct kqueue *, kevent_callback_t, kqueue_continue_t,
                       void *, struct timeval *, struct proc *);
 
 #endif /* !_SYS_EVENTVAR_H_ */