| Commit message (Collapse) | Author | Age | Files | Lines |
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Update #2494.
Update #2555.
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Per task variables are inherently unsafe in SMP systems. This
patch disables them from the build and adds warnings in the
appropriate documentation and configuration sections.
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Move implementation specific parts of thread.h and thread.inl into new
header file threadimpl.h. The thread.h contains now only the
application visible API.
Remove superfluous header file includes from various files.
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Move implementation specific parts of tasks.h and tasks.inl into new
header file tasksimpl.h. The tasks.h contains now only the application
visible API.
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Task variables are not supported on SMP.
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Add and use _Objects_Put_without_thread_dispatch(). These two functions
pair with the _Objects_Get() function. This helps to introduce object
specific SMP locks to avoid lock contention.
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http://www.google-melange.com/gci/task/view/google/gci2012/7950206
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Script does what is expected and tries to do it as
smartly as possible.
+ remove occurrences of two blank comment lines
next to each other after Id string line removed.
+ remove entire comment blocks which only exited to
contain CVS Ids
+ If the processing left a blank line at the top of
a file, it was removed.
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* rtems/Makefile.am, rtems/include/rtems/rtems/tasks.h,
rtems/src/tasks.c, rtems/src/taskvariableadd.c,
rtems/src/taskvariabledelete.c: Add test code for task variables to
improve coverage.
* rtems/src/taskvariable_invoke_dtor.c: New file.
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* rtems/src/barrierdelete.c, rtems/src/barrierrelease.c,
rtems/src/barriertranslatereturncode.c, rtems/src/barrierwait.c,
rtems/src/clockget.c, rtems/src/dpmemdelete.c,
rtems/src/dpmemexternal2internal.c,
rtems/src/dpmeminternal2external.c, rtems/src/eventsend.c,
rtems/src/eventtimeout.c, rtems/src/msgqbroadcast.c,
rtems/src/msgqdelete.c, rtems/src/msgqflush.c,
rtems/src/msgqgetnumberpending.c, rtems/src/msgqreceive.c,
rtems/src/msgqsend.c, rtems/src/msgqurgent.c, rtems/src/partdelete.c,
rtems/src/partgetbuffer.c, rtems/src/partreturnbuffer.c,
rtems/src/ratemoncancel.c, rtems/src/ratemondelete.c,
rtems/src/ratemongetstatistics.c, rtems/src/ratemongetstatus.c,
rtems/src/ratemonperiod.c, rtems/src/ratemonresetstatistics.c,
rtems/src/ratemontimeout.c, rtems/src/semdelete.c,
rtems/src/semflush.c, rtems/src/semobtain.c, rtems/src/semrelease.c,
rtems/src/semtranslatereturncode.c, rtems/src/signalsend.c,
rtems/src/taskdelete.c, rtems/src/taskgetnote.c,
rtems/src/taskissuspended.c, rtems/src/taskrestart.c,
rtems/src/taskresume.c, rtems/src/tasksetnote.c,
rtems/src/tasksetpriority.c, rtems/src/taskstart.c,
rtems/src/tasksuspend.c, rtems/src/taskvariableadd.c,
rtems/src/taskvariabledelete.c, rtems/src/taskvariableget.c,
rtems/src/timercancel.c, rtems/src/timerdelete.c,
rtems/src/timerfirewhen.c, rtems/src/timergetinfo.c,
rtems/src/timerreset.c, rtems/src/timerserverfireafter.c,
rtems/src/timerserverfirewhen.c: Restructured all code with
the switch (location) pattern so that OBJECTS_LOCAL is first
and we can fall into it and the OBJECTS_ERROR case breaks
to a return RTEMS_INVALID_ID. This eliminates the return
RTEMS_INTERNAL_ERROR at the bottom of each of these files which
was unreachable and untestable code. This resulted in a code
savings of approximately 20 bytes per file on the SPARC/ERC32.
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* itron/src/can_wup.c, itron/src/chg_pri.c, itron/src/del_mbf.c,
itron/src/del_mbx.c, itron/src/del_sem.c, itron/src/del_tsk.c,
itron/src/frsm_tsk.c, itron/src/ref_mbf.c, itron/src/ref_mbx.c,
itron/src/ref_sem.c, itron/src/ref_tsk.c, itron/src/rel_wai.c,
itron/src/rsm_tsk.c, itron/src/sig_sem.c, itron/src/snd_mbx.c,
itron/src/sta_tsk.c, itron/src/sus_tsk.c, itron/src/ter_tsk.c,
itron/src/trcv_mbf.c, itron/src/trcv_mbx.c, itron/src/tsnd_mbf.c,
itron/src/twai_sem.c, posix/src/cancel.c, posix/src/conddestroy.c,
posix/src/condinit.c, posix/src/condsignalsupp.c,
posix/src/condwaitsupp.c, posix/src/keydelete.c,
posix/src/keygetspecific.c, posix/src/keysetspecific.c,
posix/src/mqueueclose.c, posix/src/mqueuegetattr.c,
posix/src/mqueuenotify.c, posix/src/mqueuerecvsupp.c,
posix/src/mqueuesendsupp.c, posix/src/mqueuesetattr.c,
posix/src/mutexdestroy.c, posix/src/mutexgetprioceiling.c,
posix/src/mutexinit.c, posix/src/mutexlocksupp.c,
posix/src/mutexsetprioceiling.c, posix/src/mutexunlock.c,
posix/src/pbarrierdestroy.c, posix/src/pbarrierwait.c,
posix/src/prwlockdestroy.c, posix/src/prwlockrdlock.c,
posix/src/prwlocktimedrdlock.c, posix/src/prwlocktimedwrlock.c,
posix/src/prwlocktryrdlock.c, posix/src/prwlocktrywrlock.c,
posix/src/prwlockunlock.c, posix/src/prwlockwrlock.c,
posix/src/pspindestroy.c, posix/src/pspinlock.c,
posix/src/pspintrylock.c, posix/src/pspinunlock.c,
posix/src/pthreaddetach.c, posix/src/pthreadequal.c,
posix/src/pthreadgetschedparam.c, posix/src/pthreadjoin.c,
posix/src/pthreadkill.c, posix/src/pthreadsetschedparam.c,
posix/src/ptimer1.c, posix/src/semaphorewaitsupp.c,
posix/src/semclose.c, posix/src/semdestroy.c,
posix/src/semgetvalue.c, posix/src/sempost.c, posix/src/types.c,
rtems/src/barrierdelete.c, rtems/src/barrierrelease.c,
rtems/src/barrierwait.c, rtems/src/dpmemdelete.c,
rtems/src/dpmemexternal2internal.c,
rtems/src/dpmeminternal2external.c, rtems/src/eventsend.c,
rtems/src/eventtimeout.c, rtems/src/msgqbroadcast.c,
rtems/src/msgqdelete.c, rtems/src/msgqflush.c,
rtems/src/msgqgetnumberpending.c, rtems/src/msgqreceive.c,
rtems/src/msgqsend.c, rtems/src/msgqurgent.c, rtems/src/partdelete.c,
rtems/src/partgetbuffer.c, rtems/src/partreturnbuffer.c,
rtems/src/ratemoncancel.c, rtems/src/ratemondelete.c,
rtems/src/ratemongetstatistics.c, rtems/src/ratemongetstatus.c,
rtems/src/ratemonperiod.c, rtems/src/ratemonresetstatistics.c,
rtems/src/ratemontimeout.c, rtems/src/regiondelete.c,
rtems/src/regionextend.c, rtems/src/regiongetfreeinfo.c,
rtems/src/regiongetinfo.c, rtems/src/regiongetsegment.c,
rtems/src/regiongetsegmentsize.c, rtems/src/regionresizesegment.c,
rtems/src/regionreturnsegment.c, rtems/src/semdelete.c,
rtems/src/semflush.c, rtems/src/semobtain.c, rtems/src/semrelease.c,
rtems/src/signalsend.c, rtems/src/taskdelete.c,
rtems/src/taskgetnote.c, rtems/src/taskissuspended.c,
rtems/src/taskrestart.c, rtems/src/taskresume.c,
rtems/src/tasksetnote.c, rtems/src/tasksetpriority.c,
rtems/src/taskstart.c, rtems/src/tasksuspend.c,
rtems/src/taskvariableadd.c, rtems/src/taskvariabledelete.c,
rtems/src/taskvariableget.c, rtems/src/timercancel.c,
rtems/src/timerdelete.c, rtems/src/timerfireafter.c,
rtems/src/timerfirewhen.c, rtems/src/timergetinfo.c,
rtems/src/timerreset.c, rtems/src/timerserverfireafter.c,
rtems/src/timerserverfirewhen.c, sapi/src/extensiondelete.c,
score/include/rtems/score/object.h, score/src/corerwlocktimeout.c,
score/src/mpci.c, score/src/objectgetnameasstring.c,
score/src/threaddelayended.c, score/src/threadqtimeout.c: When
multiprocessing is disabled, do not even allow the constant
OBJECTS_REMOTE to appear in the source. Even at -O2, the presence of
a case OBJECTS_REMOTE in each id->pointer _Objects_Get switch results
in the generation of binary code which can NOT be reached.
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* itron/src/trcv_mbf.c, posix/src/semopen.c,
rtems/src/taskvariableadd.c, score/macros/rtems/score/heap.inl: Fix
warnings.
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* rtems/src/tasks.c, rtems/src/taskvariableadd.c,
rtems/src/taskvariabledelete.c, rtems/src/taskvariableget.c: Remove
warnings.
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PR 618/rtems
* rtems/include/rtems/rtems/status.h, rtems/src/clockget.c,
rtems/src/clockset.c, rtems/src/dpmemcreate.c,
rtems/src/dpmemexternal2internal.c,
rtems/src/dpmeminternal2external.c, rtems/src/eventmp.c,
rtems/src/eventreceive.c, rtems/src/eventsend.c,
rtems/src/msgqbroadcast.c, rtems/src/msgqcreate.c,
rtems/src/msgqflush.c, rtems/src/msgqgetnumberpending.c,
rtems/src/msgqreceive.c, rtems/src/msgqsubmit.c,
rtems/src/partcreate.c, rtems/src/partdelete.c,
rtems/src/partgetbuffer.c, rtems/src/ratemoncancel.c,
rtems/src/ratemoncreate.c, rtems/src/ratemondelete.c,
rtems/src/ratemongetstatus.c, rtems/src/ratemonident.c,
rtems/src/ratemonperiod.c, rtems/src/regioncreate.c,
rtems/src/regiondelete.c, rtems/src/regionextend.c,
rtems/src/regiongetsegment.c, rtems/src/regiongetsegmentsize.c,
rtems/src/regionreturnsegment.c, rtems/src/semcreate.c,
rtems/src/semdelete.c, rtems/src/semflush.c, rtems/src/semident.c,
rtems/src/taskcreate.c, rtems/src/taskgetnote.c,
rtems/src/taskmode.c, rtems/src/taskrestart.c,
rtems/src/taskresume.c, rtems/src/tasksetnote.c,
rtems/src/tasksuspend.c, rtems/src/taskvariableadd.c,
rtems/src/taskvariabledelete.c, rtems/src/taskvariableget.c,
rtems/src/taskwakewhen.c, rtems/src/timercreate.c,
rtems/src/timerdelete.c, rtems/src/timerfireafter.c,
rtems/src/timerfirewhen.c, rtems/src/timerserverfireafter.c,
rtems/src/timerserverfirewhen.c, score/include/rtems/score/object.h,
score/src/coretodvalidate.c, score/src/objectnametoid.c: Add NULL
checks.
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* include/rtems.h, include/rtems/rtems/asr.h,
include/rtems/rtems/attr.h, include/rtems/rtems/cache.h,
include/rtems/rtems/clock.h, include/rtems/rtems/config.h,
include/rtems/rtems/dpmem.h, include/rtems/rtems/event.h,
include/rtems/rtems/eventmp.h, include/rtems/rtems/eventset.h,
include/rtems/rtems/intr.h, include/rtems/rtems/message.h,
include/rtems/rtems/modes.h, include/rtems/rtems/mp.h,
include/rtems/rtems/msgmp.h, include/rtems/rtems/options.h,
include/rtems/rtems/part.h, include/rtems/rtems/partmp.h,
include/rtems/rtems/ratemon.h, include/rtems/rtems/region.h,
include/rtems/rtems/regionmp.h, include/rtems/rtems/rtemsapi.h,
include/rtems/rtems/sem.h, include/rtems/rtems/semmp.h,
include/rtems/rtems/signal.h, include/rtems/rtems/signalmp.h,
include/rtems/rtems/status.h, include/rtems/rtems/support.h,
include/rtems/rtems/taskmp.h, include/rtems/rtems/tasks.h,
include/rtems/rtems/timer.h, include/rtems/rtems/types.h,
inline/rtems/rtems/asr.inl, inline/rtems/rtems/attr.inl,
inline/rtems/rtems/dpmem.inl, inline/rtems/rtems/event.inl,
inline/rtems/rtems/eventset.inl, inline/rtems/rtems/message.inl,
inline/rtems/rtems/modes.inl, inline/rtems/rtems/options.inl,
inline/rtems/rtems/part.inl, inline/rtems/rtems/ratemon.inl,
inline/rtems/rtems/region.inl, inline/rtems/rtems/sem.inl,
inline/rtems/rtems/status.inl, inline/rtems/rtems/support.inl,
inline/rtems/rtems/tasks.inl, inline/rtems/rtems/timer.inl,
macros/rtems/rtems/asr.inl, macros/rtems/rtems/attr.inl,
macros/rtems/rtems/dpmem.inl, macros/rtems/rtems/event.inl,
macros/rtems/rtems/eventset.inl, macros/rtems/rtems/message.inl,
macros/rtems/rtems/modes.inl, macros/rtems/rtems/options.inl,
macros/rtems/rtems/part.inl, macros/rtems/rtems/ratemon.inl,
macros/rtems/rtems/region.inl, macros/rtems/rtems/sem.inl,
macros/rtems/rtems/status.inl, macros/rtems/rtems/support.inl,
macros/rtems/rtems/tasks.inl, macros/rtems/rtems/timer.inl,
src/attr.c, src/clockget.c, src/clockset.c, src/clocktick.c,
src/dpmem.c, src/dpmemcreate.c, src/dpmemdelete.c,
src/dpmemexternal2internal.c, src/dpmemident.c,
src/dpmeminternal2external.c, src/event.c, src/eventmp.c,
src/eventreceive.c, src/eventseize.c, src/eventsend.c,
src/eventsurrender.c, src/eventtimeout.c, src/intr.c, src/intrbody.c,
src/intrcatch.c, src/mp.c, src/msg.c, src/msgmp.c,
src/msgqallocate.c, src/msgqbroadcast.c, src/msgqcreate.c,
src/msgqdelete.c, src/msgqflush.c, src/msgqgetnumberpending.c,
src/msgqident.c, src/msgqreceive.c, src/msgqsend.c, src/msgqsubmit.c,
src/msgqtranslatereturncode.c, src/msgqurgent.c, src/part.c,
src/partcreate.c, src/partdelete.c, src/partgetbuffer.c,
src/partident.c, src/partmp.c, src/partreturnbuffer.c, src/ratemon.c,
src/ratemoncancel.c, src/ratemoncreate.c, src/ratemondelete.c,
src/ratemongetstatus.c, src/ratemonident.c, src/ratemonperiod.c,
src/ratemontimeout.c, src/region.c, src/regioncreate.c,
src/regiondelete.c, src/regionextend.c, src/regiongetinfo.c,
src/regiongetsegment.c, src/regiongetsegmentsize.c,
src/regionident.c, src/regionmp.c, src/regionreturnsegment.c,
src/rtclock.c, src/rtemsidtoname.c, src/rtemstimer.c, src/sem.c,
src/semcreate.c, src/semdelete.c, src/semflush.c, src/semident.c,
src/semmp.c, src/semobtain.c, src/semrelease.c,
src/semtranslatereturncode.c, src/signal.c, src/signalcatch.c,
src/signalmp.c, src/signalsend.c, src/taskcreate.c, src/taskdelete.c,
src/taskgetnote.c, src/taskident.c, src/taskinitusers.c,
src/taskissuspended.c, src/taskmode.c, src/taskmp.c,
src/taskrestart.c, src/taskresume.c, src/tasks.c, src/tasksetnote.c,
src/tasksetpriority.c, src/taskstart.c, src/tasksuspend.c,
src/taskvariableadd.c, src/taskvariabledelete.c,
src/taskvariableget.c, src/taskwakeafter.c, src/taskwakewhen.c,
src/timercancel.c, src/timercreate.c, src/timerdelete.c,
src/timerfireafter.c, src/timerfirewhen.c, src/timergetinfo.c,
src/timerident.c, src/timerreset.c, src/timerserver.c,
src/timerserverfireafter.c, src/timerserverfirewhen.c: URL for
license changed.
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I'd like to propose a change to RTEMS task variables that I think would
make them more useful. I think that it is early enough in their
existence to still make changes to their API.
1) Change type from `int' to `void *'.
2) Add extra argument to task_variable_add -- if non-NULL, a pointer to
a `destructor' function to be called when the task exits. This function
would be called with that task's value of the task variable as its
argument. In many cases, the `dtor' function could be `free'.
rtems_status_code rtems_task_variable_add (
rtems_id tid, void **ptr, void (*dtor)(void *));
rtems_status_code rtems_task_variable_delete (rtems_id tid, void **ptr);
This would be all we'd need to cleanly and efficiently support C++
per-thread exception information without dragging in all that POSIX API
stuff.
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RTEMS API extension to avoid problems when the extension is freed.
Eventually the task variable switch extension should become part
of the core context switch and the Ada tcb self implemented in
terms of it.
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it is now typedef'ed.
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just "rtems_task_variable_t".
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After being submitted, this support was rewritten to be inside the
executive rather than layered on top of it using an extension.
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