xnu-792.tar.gz

[apple/xnu.git] / bsd / net / devtimer.h

diff --git a/bsd/net/devtimer.h b/bsd/net/devtimer.h
new file mode 100644 (file)
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--- /dev/null
+++ b/bsd/net/devtimer.h
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+/*
+ * Copyright (c) 2004 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.
+ * 
+ * This 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.
+ * 
+ * @APPLE_LICENSE_HEADER_END@
+ */
+
+/*
+ * devtimer.h 
+ * - timer source based on <kern/thread_call.h>
+ */
+
+
+#ifndef _NET_DEVTIMER_H
+#define _NET_DEVTIMER_H
+
+#include <sys/types.h>
+#include <sys/systm.h>
+
+#define DEVTIMER_USECS_PER_SEC         (1000 * 1000)
+
+enum {
+    devtimer_process_func_event_lock,
+    devtimer_process_func_event_unlock,
+};
+typedef int devtimer_process_func_event;
+
+typedef struct devtimer_s * devtimer_ref;
+typedef void (*devtimer_process_func)(devtimer_ref timer,
+                                     devtimer_process_func_event event);
+typedef void (*devtimer_timeout_func)(void * arg0, void * arg1, void * arg2);
+
+int
+devtimer_valid(devtimer_ref timer);
+
+void
+devtimer_retain(devtimer_ref timer);
+
+void *
+devtimer_arg0(devtimer_ref timer);
+
+devtimer_ref
+devtimer_create(devtimer_process_func process_func, void * arg0);
+
+void
+devtimer_invalidate(devtimer_ref timer);
+
+void
+devtimer_release(devtimer_ref timer);
+
+void
+devtimer_set_absolute(devtimer_ref t,
+                     struct timeval abs_time,
+                     devtimer_timeout_func func,
+                     void * arg1, void * arg2);
+
+void
+devtimer_set_relative(devtimer_ref t,
+                     struct timeval rel_time,
+                     devtimer_timeout_func func,
+                     void * arg1, void * arg2);
+void
+devtimer_cancel(devtimer_ref t);
+
+int
+devtimer_enabled(devtimer_ref t);
+
+struct timeval
+devtimer_current_time(void);
+
+int32_t
+devtimer_current_secs(void);
+
+#endif _NET_DEVTIMER_H