/*
- * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2007 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_FREE_COPYRIGHT@
#include <mach/mach_types.h>
#include <mach/kern_return.h>
#include <mach/alert.h>
-#include <mach_prof.h>
#include <mach/rpc.h>
#include <mach/thread_act_server.h>
#include <kern/exception.h>
#include <kern/ipc_mig.h>
#include <kern/ipc_tt.h>
-#include <kern/profile.h>
#include <kern/machine.h>
#include <kern/spl.h>
#include <kern/syscall_subr.h>
#include <kern/sync_lock.h>
#include <kern/processor.h>
#include <kern/timer.h>
-#include <mach_prof.h>
+#include <kern/affinity.h>
+
#include <mach/rpc.h>
+#include <mach/sdt.h>
+
void act_abort(thread_t);
-void act_set_apc(thread_t);
void install_special_handler_locked(thread_t);
void special_handler_continue(void);
+/*
+ * Internal routine to mark a thread as started.
+ * Always called with the thread locked.
+ *
+ * Note: function intentionall declared with the noinline attribute to
+ * prevent multiple declaration of probe symbols in this file; we would
+ * prefer "#pragma noinline", but gcc does not support it.
+ */
+void
+thread_start_internal(
+ thread_t thread)
+{
+ clear_wait(thread, THREAD_AWAKENED);
+ thread->started = TRUE;
+ DTRACE_PROC1(lwp__start, thread_t, thread);
+}
+
/*
* Internal routine to terminate a thread.
* Sometimes called with task already locked.
{
kern_return_t result = KERN_SUCCESS;
+ DTRACE_PROC(lwp__exit);
+
thread_mtx_lock(thread);
if (thread->active) {
if (thread->started)
clear_wait(thread, THREAD_INTERRUPTED);
else {
- clear_wait(thread, THREAD_AWAKENED);
- thread->started = TRUE;
+ thread_start_internal(thread);
}
}
else
result = KERN_TERMINATED;
+ if (thread->affinity_set != NULL)
+ thread_affinity_terminate(thread);
+
thread_mtx_unlock(thread);
if (thread != current_thread() && result == KERN_SUCCESS)
if (thread->started)
thread_wakeup_one(&thread->suspend_count);
else {
- clear_wait(thread, THREAD_AWAKENED);
- thread->started = TRUE;
+ thread_start_internal(thread);
}
}
}
if (thread->started)
thread_wakeup_one(&thread->suspend_count);
else {
- clear_wait(thread, THREAD_AWAKENED);
- thread->started = TRUE;
+ thread_start_internal(thread);
}
}
}
thread_lock(thread);
- if (!(thread->state & TH_ABORT)) {
- thread->state |= TH_ABORT;
+ if (!(thread->sched_mode & TH_MODE_ABORT)) {
+ thread->sched_mode |= TH_MODE_ABORT;
install_special_handler_locked(thread);
}
else
- thread->state &= ~TH_ABORT_SAFELY;
+ thread->sched_mode &= ~TH_MODE_ABORTSAFELY;
thread_unlock(thread);
splx(s);
thread_lock(thread);
if (!thread->at_safe_point ||
- clear_wait_internal(thread, THREAD_INTERRUPTED) != KERN_SUCCESS) {
- if (!(thread->state & TH_ABORT)) {
- thread->state |= (TH_ABORT|TH_ABORT_SAFELY);
+ clear_wait_internal(thread, THREAD_INTERRUPTED) != KERN_SUCCESS) {
+ if (!(thread->sched_mode & TH_MODE_ABORT)) {
+ thread->sched_mode |= TH_MODE_ISABORTED;
install_special_handler_locked(thread);
}
}
if (thread_stop(target)) {
thread_mtx_lock(target);
result = machine_thread_dup(self, target);
+ if (self->affinity_set != AFFINITY_SET_NULL)
+ thread_affinity_dup(self, target);
thread_unstop(target);
}
else {
thread->sched_pri = DEPRESSPRI;
myprocessor->current_pri = thread->sched_pri;
- thread->sched_mode &= ~TH_MODE_PREEMPT;
}
thread_unlock(thread);
splx(s);
s = splsched();
thread_lock(thread);
- thread->state &= ~(TH_ABORT|TH_ABORT_SAFELY); /* clear any aborts */
+ thread->sched_mode &= ~TH_MODE_ISABORTED;
thread_unlock(thread);
splx(s);
projects / apple / xnu.git / blobdiff