/*
- * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2008 Apple Inc. All rights reserved.
*
- * @APPLE_LICENSE_OSREFERENCE_HEADER_START@
+ * @APPLE_OSREFERENCE_LICENSE_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.
- *
- * 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
+ * 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.
+ *
+ * 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.
- *
- * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/*
* @OSF_COPYRIGHT@
disable_preemption();
myprocessor = current_processor();
- result = myprocessor->runq.count > 0 ||
- myprocessor->processor_set->runq.count > 0;
+ result = myprocessor->runq.count > 0 || rt_runq.count > 0;
enable_preemption();
thread_syscall_return(result);
disable_preemption();
myprocessor = current_processor();
- if ( myprocessor->runq.count == 0 &&
- myprocessor->processor_set->runq.count == 0 ) {
+ if (myprocessor->runq.count == 0 && rt_runq.count == 0) {
mp_enable_preemption();
return (FALSE);
disable_preemption();
myprocessor = current_processor();
- result = myprocessor->runq.count > 0 ||
- myprocessor->processor_set->runq.count > 0;
+ result = myprocessor->runq.count > 0 || rt_runq.count > 0;
enable_preemption();
return (result);
disable_preemption();
myprocessor = current_processor();
- result = myprocessor->runq.count > 0 ||
- myprocessor->processor_set->runq.count > 0;
+ result = myprocessor->runq.count > 0 || rt_runq.count > 0;
mp_enable_preemption();
thread_syscall_return(result);
disable_preemption();
myprocessor = current_processor();
- if ( myprocessor->runq.count == 0 &&
- myprocessor->processor_set->runq.count == 0 ) {
+ if (myprocessor->runq.count == 0 && rt_runq.count == 0) {
mp_enable_preemption();
return (FALSE);
disable_preemption();
myprocessor = current_processor();
- result = myprocessor->runq.count > 0 ||
- myprocessor->processor_set->runq.count > 0;
+ result = myprocessor->runq.count > 0 || rt_runq.count > 0;
enable_preemption();
return (result);
ipc_port_release(port);
if (thread == self) {
- thread_deallocate_internal(thread);
+ (void)thread_deallocate_internal(thread);
thread = THREAD_NULL;
}
}
thread_lock(thread);
/*
- * Check if the thread is in the right pset,
- * is not bound to a different processor,
- * and that realtime is not involved.
+ * Check that the thread is not bound
+ * to a different processor, and that realtime
+ * is not involved.
*
* Next, pull it off its run queue. If it
* doesn't come, it's not eligible.
processor = current_processor();
if (processor->current_pri < BASEPRI_RTQUEUES &&
thread->sched_pri < BASEPRI_RTQUEUES &&
- thread->processor_set == processor->processor_set &&
(thread->bound_processor == PROCESSOR_NULL ||
thread->bound_processor == processor) &&
- run_queue_remove(thread) != RUN_QUEUE_NULL ) {
+ run_queue_remove(thread) ) {
/*
* Hah, got it!!
*/
thread_unlock(thread);
- thread_deallocate_internal(thread);
+ (void)thread_deallocate_internal(thread);
if (option == SWITCH_OPTION_WAIT)
assert_wait_timeout((event_t)assert_wait_timeout, THREAD_ABORTSAFE,
self->sched_pri = DEPRESSPRI;
myprocessor->current_pri = self->sched_pri;
- self->sched_mode &= ~TH_MODE_PREEMPT;
self->sched_mode |= TH_MODE_DEPRESS;
if (interval != 0) {
if (!(self->sched_mode & TH_MODE_ISDEPRESSED)) {
self->sched_pri = DEPRESSPRI;
myprocessor->current_pri = self->sched_pri;
- self->sched_mode &= ~TH_MODE_PREEMPT;
}
self->computation_epoch = abstime;
self->computation_metered = 0;
self->depress_timer_active++;
thread_unlock(self);
- if ((preempt = csw_check(self, myprocessor)) != AST_NONE)
+ if ((preempt = csw_check(myprocessor)) != AST_NONE)
ast_on(preempt);
}
}
splx(s);
}
+
+
+void
+thread_yield_internal(
+ mach_msg_timeout_t ms)
+{
+ processor_t myprocessor;
+
+ disable_preemption();
+ myprocessor = current_processor();
+ if (myprocessor->runq.count == 0 && rt_runq.count == 0) {
+ mp_enable_preemption();
+
+ return;
+ }
+ enable_preemption();
+
+ thread_depress_ms(ms);
+
+ thread_block_reason(THREAD_CONTINUE_NULL, NULL, AST_YIELD);
+
+ thread_depress_abort_internal(current_thread());
+}
+
projects / apple / xnu.git / blobdiff