/*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2005 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@
- */
-/*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
- *
- * HISTORY
- *
- * 10 October 2000 (debo)
- * Created.
- *
- * 30 November 2000 (debo)
- * Final resolution of review feedback.
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
#ifndef _MACH_THREAD_POLICY_H_
/*
kern_return_t thread_policy_set(
- thread_act_t thread,
+ thread_t thread,
thread_policy_flavor_t flavor,
thread_policy_t policy_info,
mach_msg_type_number_t count);
kern_return_t thread_policy_get(
- thread_act_t thread,
+ thread_t thread,
thread_policy_flavor_t flavor,
thread_policy_t policy_info,
mach_msg_type_number_t *count,
/*
* THREAD_STANDARD_POLICY:
*
- * This is the standard [fair] scheduling mode, assigned to new
- * threads. Specifying it explicitly is not typically required,
- * but may be used to return a thread to the default mode setting.
+ * This is the standard (fair) scheduling mode, assigned to new
+ * threads. The thread will be given processor time in a manner
+ * which apportions approximately equal share to long running
+ * computations.
*
* Parameters:
* [none]
#define THREAD_STANDARD_POLICY 1
struct thread_standard_policy {
- /* no data */
+ natural_t no_data;
};
typedef struct thread_standard_policy thread_standard_policy_data_t;
typedef struct thread_standard_policy *thread_standard_policy_t;
-#define THREAD_STANDARD_POLICY_COUNT \
- (sizeof (thread_standard_policy_data_t) / sizeof (integer_t))
+#define THREAD_STANDARD_POLICY_COUNT 0
+
+/*
+ * THREAD_EXTENDED_POLICY:
+ *
+ * Extended form of THREAD_STANDARD_POLICY, which supplies a
+ * hint indicating whether this is a long running computation.
+ *
+ * Parameters:
+ *
+ * timeshare: TRUE (the default) results in identical scheduling
+ * behavior as THREAD_STANDARD_POLICY.
+ */
+
+#define THREAD_EXTENDED_POLICY 1
+
+struct thread_extended_policy {
+ boolean_t timeshare;
+};
+
+typedef struct thread_extended_policy thread_extended_policy_data_t;
+typedef struct thread_extended_policy *thread_extended_policy_t;
+
+#define THREAD_EXTENDED_POLICY_COUNT ((mach_msg_type_number_t) \
+ (sizeof (thread_extended_policy_data_t) / sizeof (integer_t)))
/*
* THREAD_TIME_CONSTRAINT_POLICY:
#define THREAD_TIME_CONSTRAINT_POLICY 2
struct thread_time_constraint_policy {
- natural_t period;
- natural_t computation;
- natural_t constraint;
+ uint32_t period;
+ uint32_t computation;
+ uint32_t constraint;
boolean_t preemptible;
};
typedef struct thread_time_constraint_policy \
*thread_time_constraint_policy_t;
-#define THREAD_TIME_CONSTRAINT_POLICY_COUNT \
- (sizeof (thread_time_constraint_policy_data_t) / sizeof (integer_t))
+#define THREAD_TIME_CONSTRAINT_POLICY_COUNT ((mach_msg_type_number_t) \
+ (sizeof (thread_time_constraint_policy_data_t) / sizeof (integer_t)))
/*
* THREAD_PRECEDENCE_POLICY:
typedef struct thread_precedence_policy thread_precedence_policy_data_t;
typedef struct thread_precedence_policy *thread_precedence_policy_t;
-#define THREAD_PRECEDENCE_POLICY_COUNT \
- (sizeof (thread_precedence_policy_data_t) / sizeof (integer_t))
+#define THREAD_PRECEDENCE_POLICY_COUNT ((mach_msg_type_number_t) \
+ (sizeof (thread_precedence_policy_data_t) / sizeof (integer_t)))
#endif /* _MACH_THREAD_POLICY_H_ */
projects / apple / xnu.git / blobdiff