/*
- * Copyright (c) 1993-1995, 1999-2004 Apple Computer, Inc.
- * All rights reserved.
+ * Copyright (c) 1993-2007 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@
*/
/*
* Timer interrupt callout module.
- *
- * HISTORY
- *
- * 20 December 2000 (debo)
- * Created.
*/
#include <mach/mach_types.h>
#include <kern/clock.h>
#include <kern/processor.h>
-
+#include <kern/etimer.h>
#include <kern/timer_call.h>
#include <kern/call_entry.h>
#include <sys/kdebug.h>
-decl_simple_lock_data(static,timer_call_lock)
+#if CONFIG_DTRACE && (DEVELOPMENT || DEBUG )
+#include <mach/sdt.h>
+#endif
-static struct {
- int delayed_num,
- delayed_hiwat;
-} timer_call_vars;
+decl_simple_lock_data(static,timer_call_lock)
static void
timer_call_interrupt(
}
insque(qe(call), qe(current));
- if (++timer_call_vars.delayed_num > timer_call_vars.delayed_hiwat)
- timer_call_vars.delayed_hiwat = timer_call_vars.delayed_num;
call->state = DELAYED;
}
timer_call_t call)
{
(void)remque(qe(call));
- timer_call_vars.delayed_num--;
call->state = IDLE;
}
else
result = FALSE;
- call->param1 = 0;
+ call->param1 = NULL;
call->deadline = deadline;
queue = &PROCESSOR_DATA(current_processor(), timer_call_queue);
s = splclock();
simple_lock(&timer_call_lock);
- if (call->state == DELAYED)
- _delayed_call_dequeue(call);
+ if (call->state == DELAYED) {
+ queue_t queue = &PROCESSOR_DATA(current_processor(), timer_call_queue);
+
+ if (queue_first(queue) == qe(call)) {
+ _delayed_call_dequeue(call);
+
+ if (!queue_empty(queue))
+ _set_delayed_call_timer((timer_call_t)queue_first(queue));
+ }
+ else
+ _delayed_call_dequeue(call);
+ }
else
result = FALSE;
simple_unlock(&timer_call_lock);
}
-static
-void
-timer_call_interrupt(
- uint64_t timestamp)
+static void
+timer_call_interrupt(uint64_t timestamp)
{
timer_call_t call;
queue_t queue;
call = TC(queue_first(queue));
while (!queue_end(queue, qe(call))) {
-
if (call->deadline <= timestamp) {
timer_call_func_t func;
timer_call_param_t param0, param1;
simple_unlock(&timer_call_lock);
- KERNEL_DEBUG_CONSTANT(MACHDBG_CODE(DBG_MACH_EXCP_DECI, 2) | DBG_FUNC_START, (int)func, param0, param1, 0, 0);
+ KERNEL_DEBUG_CONSTANT(MACHDBG_CODE(DBG_MACH_EXCP_DECI,
+ 2)
+ | DBG_FUNC_START,
+ (unsigned int)func,
+ (unsigned int)param0,
+ (unsigned int)param1, 0, 0);
+
+#if CONFIG_DTRACE && (DEVELOPMENT || DEBUG )
+ DTRACE_TMR3(callout__start, timer_call_func_t, func,
+ timer_call_param_t, param0,
+ timer_call_param_t, param1);
+#endif
(*func)(param0, param1);
- KERNEL_DEBUG_CONSTANT(MACHDBG_CODE(DBG_MACH_EXCP_DECI, 2) | DBG_FUNC_END, (int)func, param0, param1, 0, 0);
+#if CONFIG_DTRACE && (DEVELOPMENT || DEBUG )
+ DTRACE_TMR3(callout__end, timer_call_func_t, func,
+ timer_call_param_t, param0,
+ timer_call_param_t, param1);
+#endif
+
+ KERNEL_DEBUG_CONSTANT(MACHDBG_CODE(DBG_MACH_EXCP_DECI,
+ 2)
+ | DBG_FUNC_END,
+ (unsigned int)func,
+ (unsigned int)param0,
+ (unsigned int)param1, 0, 0);
simple_lock(&timer_call_lock);
- }
- else
+ } else
break;
call = TC(queue_first(queue));
_set_delayed_call_timer(call);
simple_unlock(&timer_call_lock);
-
}
projects / apple / xnu.git / blobdiff