/usr/include/Kokyu/DSRT_CV_Dispatcher_Impl_T.cpp is in libkokyu-dev 6.3.3+dfsg-1.2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 | #ifndef DSRT_CV_DISPATCHER_IMPL_T_CPP
#define DSRT_CV_DISPATCHER_IMPL_T_CPP
#include "DSRT_CV_Dispatcher_Impl_T.h"
#if !defined (__ACE_INLINE__)
//#include "DSRT_CV_Dispatcher_Impl_T.i"
#endif /* __ACE_INLINE__ */
namespace Kokyu
{
/*
//@@VS: This is somehow not being recognized by MSVC, which results
//in a link error. For now, the definition has been moved to the .h
//file. Needs further investigation.
template <class DSRT_Scheduler_Traits>
int Comparator_Adapter_Generator<DSRT_Scheduler_Traits>::MoreEligible::
operator ()(const DSRT_Dispatch_Item_var<DSRT_Scheduler_Traits>& item1,
const DSRT_Dispatch_Item_var<DSRT_Scheduler_Traits>& item2)
{
int rc = qos_comparator_ (item1->qos (), item2->qos ());
//more eligible
if (rc == 1)
return 1;
//if equally eligible, then resolve tie with the creation time of
//the item
if (rc == 0 && item1->insertion_time () < item2->insertion_time ())
return 1;
return 0;
}
*/
template <class DSRT_Scheduler_Traits>
DSRT_CV_Dispatcher_Impl<DSRT_Scheduler_Traits>::
DSRT_CV_Dispatcher_Impl (ACE_Sched_Params::Policy sched_policy,
int sched_scope)
:DSRT_Dispatcher_Impl<DSRT_Scheduler_Traits> (sched_policy, sched_scope),
run_cond_ (run_cond_lock_)
{
}
template <class DSRT_Scheduler_Traits> int
DSRT_CV_Dispatcher_Impl<DSRT_Scheduler_Traits>::
init_i (const DSRT_ConfigInfo&)
{
return 0;
}
template <class DSRT_Scheduler_Traits>
int DSRT_CV_Dispatcher_Impl<DSRT_Scheduler_Traits>::
schedule_i (Guid_t id, const DSRT_QoSDescriptor& qos)
{
#ifdef KOKYU_DSRT_LOGGING
ACE_DEBUG ((LM_DEBUG,
"(%t|%T):schedule_i enter\n"));
#endif
DSRT_Dispatch_Item<DSRT_Scheduler_Traits>* item;
ACE_hthread_t thr_handle;
ACE_Thread::self (thr_handle);
if (ACE_OS::thr_setprio (thr_handle,
this->blocked_prio_,
this->sched_policy_) == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
ACE_TEXT ("%p\n"),
ACE_TEXT ("thr_setprio failed")), -1);
}
ACE_NEW_RETURN (item,
DSRT_Dispatch_Item<DSRT_Scheduler_Traits> (id, qos),
-1);
item->thread_handle (thr_handle);
ACE_GUARD_RETURN (ACE_SYNCH_RECURSIVE_MUTEX, guard, this->synch_lock_, -1);
if (this->ready_queue_.insert (item) == -1)
return -1;
#ifdef KOKYU_DSRT_LOGGING
this->ready_queue_.dump ();
ACE_DEBUG ((LM_DEBUG,
"(%t|%T):schedule_i after ready_q.insert\n"));
#endif
DSRT_Dispatch_Item_var<DSRT_Scheduler_Traits> item_var;
ACE_GUARD_RETURN (ACE_SYNCH_MUTEX, cond_guard, run_cond_lock_, -1);
this->ready_queue_.most_eligible (item_var);
guard.release ();
ACE_hthread_t most_eligible_thr_handle = item_var->thread_handle ();
#ifdef KOKYU_DSRT_LOGGING
ACE_DEBUG ((LM_DEBUG,
"(%t|%T):curr thr handle = %d\n",
thr_handle));
ACE_DEBUG ((LM_DEBUG,
"(%t|%T):curr scheduled thr handle = %d\n",
this->curr_scheduled_thr_handle_));
ACE_DEBUG ((LM_DEBUG,
"(%t|%T):most eligible thr handle = %d\n",
most_eligible_thr_handle));
#endif
if (this->curr_scheduled_thr_handle_ == thr_handle &&
most_eligible_thr_handle != thr_handle)
{
#ifdef KOKYU_DSRT_LOGGING
ACE_DEBUG ((LM_DEBUG,
"(%t|%T):curr sched thr handle = thr_handle & "
"most eligible thr handle != curr thr handle. "
"about to do a broadcast on CV to wake up most eligible\n"));
#endif
this->curr_scheduled_thr_handle_ = most_eligible_thr_handle;
//wake up the most eligible thread
this->run_cond_.broadcast ();
}
//if the current thread is not the most eligible, then wait.
//if the current thread is most eligible, but some thread is
//scheduled currently, then wait.
while (most_eligible_thr_handle != thr_handle ||
(most_eligible_thr_handle == thr_handle &&
this->curr_scheduled_thr_handle_ != thr_handle &&
this->curr_scheduled_thr_handle_ != 0))
{
ACE_Time_Value tv (60,0);
tv += ACE_OS::gettimeofday ();
//wait a maximum of 1 min. This is an escape latch against lockups.
#ifdef KOKYU_DSRT_LOGGING
ACE_DEBUG ((LM_DEBUG,
"(%t|%T): About to block on cv\n"));
#endif
if (this->run_cond_.wait (&tv) == -1)
{
ACE_ERROR ((LM_ERROR,
"(%t|%T): run_cond.wait timed out -- Possible Lockup\n"));
}
this->ready_queue_.most_eligible (item_var);
most_eligible_thr_handle = item_var->thread_handle ();
}
this->curr_scheduled_guid_ = item_var->guid ();
this->curr_scheduled_thr_handle_ = most_eligible_thr_handle;
#ifdef KOKYU_DSRT_LOGGING
ACE_DEBUG ((LM_DEBUG,
"(%t|%T): %d is currently running\n",
thr_handle));
#endif
if (ACE_OS::thr_setprio (thr_handle,
this->active_prio_,
this->sched_policy_) == -1)
{
ACE_ERROR ((LM_ERROR,
ACE_TEXT ("%p\n"),
ACE_TEXT ("thr_setprio failed")));
}
#ifdef KOKYU_DSRT_LOGGING
ACE_DEBUG ((LM_DEBUG,
"(%t|%T):schedule_i exit\n"));
#endif
return 0;
}
template <class DSRT_Scheduler_Traits>
int DSRT_CV_Dispatcher_Impl<DSRT_Scheduler_Traits>::
update_schedule_i (Guid_t guid, const DSRT_QoSDescriptor& qos)
{
return this->schedule_i (guid, qos);
}
template <class DSRT_Scheduler_Traits>
int DSRT_CV_Dispatcher_Impl<DSRT_Scheduler_Traits>::
update_schedule_i (Guid_t guid, Block_Flag_t flag)
{
ACE_GUARD_RETURN (ACE_SYNCH_RECURSIVE_MUTEX, guard, this->synch_lock_, -1);
#ifdef KOKYU_DSRT_LOGGING
ACE_DEBUG ((LM_DEBUG, "(%t): update schedule for block entered\n"));
#endif
DSRT_Dispatch_Item_var<DSRT_Scheduler_Traits> dispatch_item;
ACE_hthread_t thr_handle;
ACE_Thread::self (thr_handle);
int found = this->ready_queue_.find (guid, dispatch_item);
#ifdef KOKYU_DSRT_LOGGING
if (found == 0)
ACE_DEBUG ((LM_DEBUG, "(%t|%T): %d found in ready queue\n", thr_handle));
else
ACE_DEBUG ((LM_DEBUG, "(%t|%T): %d not found in ready queue\n",
thr_handle));
#endif
if (found == 0 && flag == BLOCK)
{
thr_handle = dispatch_item->thread_handle ();
#ifdef KOKYU_DSRT_LOGGING
ACE_DEBUG ((LM_DEBUG, "(%t|%T): update schedule: %d found\n", thr_handle));
#endif
if (ACE_OS::thr_setprio (thr_handle,
this->blocked_prio_,
this->sched_policy_) == -1)
{
ACE_ERROR ((LM_ERROR,
ACE_TEXT ("%p\n"),
ACE_TEXT ("thr_setprio failed")));
}
int rc = this->cancel_schedule (guid);
#ifdef KOKYU_DSRT_LOGGING
ACE_DEBUG ((LM_DEBUG, "(%t): update schedule for block done\n"));
#endif
return rc;
}
#ifdef KOKYU_DSRT_LOGGING
ACE_DEBUG ((LM_DEBUG, "(%t): update schedule for block done\n"));
#endif
return -1;
}
template <class DSRT_Scheduler_Traits> int
DSRT_CV_Dispatcher_Impl<DSRT_Scheduler_Traits>::
cancel_schedule_i (Guid_t guid)
{
ACE_GUARD_RETURN (ACE_SYNCH_RECURSIVE_MUTEX, guard, this->synch_lock_, -1);
ACE_hthread_t thr_handle;
ACE_Thread::self (thr_handle);
#ifdef KOKYU_DSRT_LOGGING
ACE_DEBUG ((LM_DEBUG, "(%t|%T): about to remove guid\n"));
#endif
this->ready_queue_.remove (guid);
#ifdef KOKYU_DSRT_LOGGING
this->ready_queue_.dump ();
#endif
if (this->curr_scheduled_thr_handle_ == thr_handle)
{
this->curr_scheduled_guid_ = 0;
this->curr_scheduled_thr_handle_ = 0;
}
ACE_GUARD_RETURN (cond_lock_t,
mon, this->run_cond_lock_, 0);
this->run_cond_.broadcast ();
return 0;
}
template <class DSRT_Scheduler_Traits> int
DSRT_CV_Dispatcher_Impl<DSRT_Scheduler_Traits>::
shutdown_i ()
{
this->shutdown_flagged_ = 1;
return 0;
}
}
#endif /* DSRT_CV_DISPATCHER_IMPL_T_CPP */
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