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* 2008-02-28 Joel Sherrill <joel.sherrill@oarcorp.com>Joel Sherrill2008-02-281-3/+9
| | | | | | | | | | | | | | * itron/include/rtems/itron/task.h, itron/src/cre_tsk.c, posix/src/pthreadcreate.c, rtems/src/taskcreate.c, rtems/src/taskdelete.c, rtems/src/timerserver.c, score/src/threadclose.c, score/src/threadcreateidle.c, score/src/threadinitialize.c: Switch task create and delete operations to using API Allocator Mutex. This moves almost all uses of the RTEMS Workspace from dispatching disabled to mutex protected which should improve deterministic behavior. The implementation was carefully done to allow task create and delete extensions to invoke more services. In particular, a task delete extension should be able to do mutex and file operations.
* 2007-12-21 Xi Yang <hiyangxi@gmail.com>Joel Sherrill2007-12-211-0/+5
| | | | | | | | | * configure.ac, score/include/rtems/score/coremutex.h, score/include/rtems/score/thread.h, score/inline/rtems/score/coremutex.inl, score/src/coremutexsurrender.c, score/src/threadinitialize.c: Add support for proper stacking of priority inheritance on mutexes as well as enforce proper order of release.
* 2007-05-17 Joel Sherrill <joel.sherrill@oarcorp.com>Joel Sherrill2007-05-171-9/+18
| | | | | | | | | | | | | | | | | | | | * ChangeLog, configure.ac, libcsupport/src/__times.c, libmisc/cpuuse/cpuuse.c, libmisc/stackchk/check.c, rtems/include/rtems/rtems/ratemon.h, rtems/src/ratemongetstatus.c, rtems/src/ratemonperiod.c, rtems/src/ratemonreportstatistics.c, rtems/src/ratemonresetall.c, rtems/src/ratemontimeout.c, score/Makefile.am, score/include/rtems/score/thread.h, score/include/rtems/score/timespec.h, score/src/threaddispatch.c, score/src/threadinitialize.c, score/src/threadtickletimeslice.c, score/src/timespecdivide.c: Add nanoseconds granularity to the rate monotonic period statistics and CPU usage statistics. This capability is enabled by default although may be conditionally disabled by the user. It could be too much overhead on small targets but it does not appear to be bad in early testing. Its impact on code size has not been evaluated either. It is possible that both forms of statistics gathering could be disabled with further tweaking of the conditional compilation. * score/src/timespecdividebyinteger.c: New file.
* Use size_t for stacksizes.Ralf Corsepius2007-05-081-2/+2
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* 2007-03-05 Joel Sherrill <joel@OARcorp.com>Joel Sherrill2007-03-051-1/+2
| | | | | | | | | | | | | | | | | | | PR 1222/cpukit * score/Makefile.am, score/include/rtems/score/coremutex.h, score/include/rtems/score/threadq.h, score/inline/rtems/score/coremutex.inl, score/src/coremsgsubmit.c, score/src/coremutexsurrender.c, score/src/threadchangepriority.c, score/src/threadclearstate.c, score/src/threadhandler.c, score/src/threadinitialize.c, score/src/threadqdequeuefifo.c, score/src/threadqdequeuepriority.c, score/src/threadqenqueue.c, score/src/threadqenqueuefifo.c, score/src/threadqenqueuepriority.c, score/src/threadqextractfifo.c, score/src/threadqextractpriority.c, score/src/threadsetstate.c: Enhance so that when the prioirity of a thread that is blocked on a priority based thread queue is changed, that its placement in the queue is reevaluated based upon the new priority. This enhancement includes modifications to the SuperCore as well as new test cases. * score/src/threadqrequeue.c: New file.
* Include config.h.Ralf Corsepius2005-01-271-0/+4
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* 2004-07-25 Victor Vengerov <Victor.Vengerov@oktetlabs.ru>Joel Sherrill2004-07-251-0/+6
| | | | | | | PR 654/rtems * score/src/threadinitialize.c: Initialize the per thread watchdog timer. When the thread control block is reused, we cannot depend on it being zeroed.
* 2004-07-24 Joel Sherrill <joel@OARcorp.com>Joel Sherrill2004-07-241-1/+1
| | | | | | | PR 660/rtems * score/cpu/m68k/rtems/score/m68k.h, score/cpu/mips/cpu_asm.S, score/src/threadinitialize.c, score/src/threadstackallocate.c: Check for overflow when allocating stack.
* Remove stray white spaces.Ralf Corsepius2004-04-181-2/+2
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* Remove stray white spaces.Ralf Corsepius2004-04-171-7/+7
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* 2004-04-29 Ralf Corsepius <ralf_corsepius@rtems.org>Ralf Corsepius2004-03-291-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * score/src/Unlimited.txt, score/src/chain.c, score/src/coremsg.c, score/src/coremsgbroadcast.c, score/src/coremsgclose.c, score/src/coremsgflush.c, score/src/coremsgflushsupp.c, score/src/coremsgseize.c, score/src/coremsgsubmit.c, score/src/coremutex.c, score/src/coremutexflush.c, score/src/coresem.c, score/src/coresemflush.c, score/src/coretod.c, score/src/coretodtickle.c, score/src/coretodtoseconds.c, score/src/coretodvalidate.c, score/src/heap.c, score/src/heapallocate.c, score/src/heapextend.c, score/src/heapfree.c, score/src/heapsizeofuserarea.c, score/src/interr.c, score/src/iterateoverthreads.c, score/src/mpci.c, score/src/object.c, score/src/objectallocate.c, score/src/objectallocatebyindex.c, score/src/objectclearname.c, score/src/objectcomparenameraw.c, score/src/objectcomparenamestring.c, score/src/objectcopynameraw.c, score/src/objectcopynamestring.c, score/src/objectextendinformation.c, score/src/objectfree.c, score/src/objectget.c, score/src/objectgetbyindex.c, score/src/objectgetisr.c, score/src/objectgetnoprotection.c, score/src/objectidtoname.c, score/src/objectinitializeinformation.c, score/src/objectmp.c, score/src/objectnametoid.c, score/src/objectshrinkinformation.c, score/src/thread.c, score/src/threadcreateidle.c, score/src/threadget.c, score/src/threadidlebody.c, score/src/threadinitialize.c, score/src/threadmp.c, score/src/threadq.c, score/src/threadqdequeuepriority.c, score/src/threadqenqueuepriority.c, score/src/threadqfirstpriority.c, score/src/threadqflush.c, score/src/threadreset.c, score/src/threadrestart.c, score/src/threadsettransient.c, score/src/threadstackallocate.c, score/src/threadstart.c, score/src/userext.c, score/src/watchdoginsert.c, score/src/wkspace.c: Convert to using c99 fixed size types.
* 2003-09-04 Joel Sherrill <joel@OARcorp.com>Joel Sherrill2003-09-041-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * include/rtems/debug.h, include/rtems/seterr.h, include/rtems/system.h, include/rtems/score/address.h, include/rtems/score/apiext.h, include/rtems/score/apimutex.h, include/rtems/score/bitfield.h, include/rtems/score/chain.h, include/rtems/score/context.h, include/rtems/score/copyrt.h, include/rtems/score/coremsg.h, include/rtems/score/coremutex.h, include/rtems/score/coresem.h, include/rtems/score/heap.h, include/rtems/score/interr.h, include/rtems/score/isr.h, include/rtems/score/mpci.h, include/rtems/score/mppkt.h, include/rtems/score/object.h, include/rtems/score/objectmp.h, include/rtems/score/priority.h, include/rtems/score/stack.h, include/rtems/score/states.h, include/rtems/score/sysstate.h, include/rtems/score/thread.h, include/rtems/score/threadmp.h, include/rtems/score/threadq.h, include/rtems/score/tod.h, include/rtems/score/tqdata.h, include/rtems/score/userext.h, include/rtems/score/watchdog.h, include/rtems/score/wkspace.h, inline/rtems/score/address.inl, inline/rtems/score/chain.inl, inline/rtems/score/coremsg.inl, inline/rtems/score/coremutex.inl, inline/rtems/score/coresem.inl, inline/rtems/score/heap.inl, inline/rtems/score/isr.inl, inline/rtems/score/mppkt.inl, inline/rtems/score/object.inl, inline/rtems/score/objectmp.inl, inline/rtems/score/priority.inl, inline/rtems/score/stack.inl, inline/rtems/score/states.inl, inline/rtems/score/sysstate.inl, inline/rtems/score/thread.inl, inline/rtems/score/threadmp.inl, inline/rtems/score/tod.inl, inline/rtems/score/tqdata.inl, inline/rtems/score/userext.inl, inline/rtems/score/watchdog.inl, inline/rtems/score/wkspace.inl, macros/rtems/score/address.inl, macros/rtems/score/chain.inl, macros/rtems/score/coremsg.inl, macros/rtems/score/coremutex.inl, macros/rtems/score/coresem.inl, macros/rtems/score/heap.inl, macros/rtems/score/isr.inl, macros/rtems/score/mppkt.inl, macros/rtems/score/object.inl, macros/rtems/score/objectmp.inl, macros/rtems/score/priority.inl, macros/rtems/score/stack.inl, macros/rtems/score/states.inl, macros/rtems/score/sysstate.inl, macros/rtems/score/thread.inl, macros/rtems/score/threadmp.inl, macros/rtems/score/tod.inl, macros/rtems/score/tqdata.inl, macros/rtems/score/userext.inl, macros/rtems/score/watchdog.inl, macros/rtems/score/wkspace.inl, src/apiext.c, src/chain.c, src/coremsg.c, src/coremsgbroadcast.c, src/coremsgclose.c, src/coremsgflush.c, src/coremsgflushsupp.c, src/coremsgflushwait.c, src/coremsginsert.c, src/coremsgseize.c, src/coremsgsubmit.c, src/coremutex.c, src/coremutexflush.c, src/coremutexseize.c, src/coremutexsurrender.c, src/coresem.c, src/coresemflush.c, src/coresemseize.c, src/coresemsurrender.c, src/coretod.c, src/coretodset.c, src/coretodtickle.c, src/coretodtoseconds.c, src/coretodvalidate.c, src/heap.c, src/heapallocate.c, src/heapextend.c, src/heapfree.c, src/heapgetinfo.c, src/heapsizeofuserarea.c, src/heapwalk.c, src/interr.c, src/isr.c, src/iterateoverthreads.c, src/mpci.c, src/object.c, src/objectallocate.c, src/objectallocatebyindex.c, src/objectclearname.c, src/objectcomparenameraw.c, src/objectcomparenamestring.c, src/objectcopynameraw.c, src/objectcopynamestring.c, src/objectextendinformation.c, src/objectfree.c, src/objectget.c, src/objectgetbyindex.c, src/objectgetisr.c, src/objectgetnext.c, src/objectgetnoprotection.c, src/objectidtoname.c, src/objectinitializeinformation.c, src/objectmp.c, src/objectnametoid.c, src/objectshrinkinformation.c, src/thread.c, src/threadchangepriority.c, src/threadclearstate.c, src/threadclose.c, src/threadcreateidle.c, src/threaddelayended.c, src/threaddispatch.c, src/threadevaluatemode.c, src/threadget.c, src/threadhandler.c, src/threadidlebody.c, src/threadinitialize.c, src/threadloadenv.c, src/threadmp.c, src/threadq.c, src/threadqdequeue.c, src/threadqdequeuefifo.c, src/threadqdequeuepriority.c, src/threadqenqueue.c, src/threadqenqueuefifo.c, src/threadqenqueuepriority.c, src/threadqextract.c, src/threadqextractfifo.c, src/threadqextractpriority.c, src/threadqextractwithproxy.c, src/threadqfirst.c, src/threadqfirstfifo.c, src/threadqfirstpriority.c, src/threadqflush.c, src/threadqtimeout.c, src/threadready.c, src/threadreset.c, src/threadresettimeslice.c, src/threadrestart.c, src/threadresume.c, src/threadrotatequeue.c, src/threadsetpriority.c, src/threadsetstate.c, src/threadsettransient.c, src/threadstackallocate.c, src/threadstackfree.c, src/threadstart.c, src/threadstartmultitasking.c, src/threadsuspend.c, src/threadtickletimeslice.c, src/threadyieldprocessor.c, src/userext.c, src/watchdog.c, src/watchdogadjust.c, src/watchdoginsert.c, src/watchdogremove.c, src/watchdogtickle.c, src/wkspace.c: URL for license changed.
* 2002-05-15 Chris Johns <ccj@acm.org>Joel Sherrill2002-05-151-0/+6
| | | | | | | | | * include/rtems/score/thread.h, inline/rtems/score/thread.inl, src/threaddispatch.c, src/threadinitialize.c: Move the C library re-enterrant support directly into the thread dispatch code. RTEMS needs libc and so requiring libc to use a user extension with its overhead is not the best solution. This patch lowers the overhead to 2 pointer moves.
* 2002-04-16 Chris Johns <ccj@acm.org>Joel Sherrill2002-04-161-0/+14
| | | | | | | * src/threadinitialize.c: Per PR181, clear the array of user extension pointers. This lets user extensions that have hooked the switch handler know if a task has been processed by the user extension before. If a user extension is created after a task is started it may not know it.
* 2001-01-08 Joel Sherrill <joel@OARcorp.com>Joel Sherrill2001-01-081-0/+4
| | | | | * src/threadinitialize.c: Fix my bad hack of Ralf's fp_area warning removal patch. :(
* 2001-01-08 Ralf Corsepius <corsepiu@faw.uni-ulm.de>Joel Sherrill2001-01-081-0/+2
| | | | * src/threadinitialize.c: Removed warning.
* Port of RTEMS to the Texas Instruments C3x/C4x DSP families includingJoel Sherrill2000-07-261-0/+2
| | | | | | | | | | | a BSP (c4xsim) supporting the simulator included with gdb. This port was done by Joel Sherrill and Jennifer Averett of OAR Corporation. Also included with this port is a space/time optimization to eliminate FP context switch management on CPUs without hardware or software FP. An issue with this port was that sizeof(unsigned32) = sizeof(unsigned8) on this CPU. This required addressing alignment checks and assumptions as well as fixing code that assumed sizeof(unsigned32) == 4.
* Updated copyright notice.Joel Sherrill1999-11-171-2/+1
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* Added comments.Joel Sherrill1999-11-161-1/+4
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* Committed modifications from ITRON Task and Task Dependendent SynchronizationJoel Sherrill1999-11-101-0/+1
| | | | Working Group. Included are tests.
* Fix after this report from Peter Pointner <pr@schenk.isar.de>:Joel Sherrill1999-07-281-0/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Problem: a posix thread which is created by pthread_attr_init(&tattr); pthread_attr_setinheritsched(&tattr, PTHREAD_EXPLICIT_SCHED); pthread_attr_setschedpolicy(&tattr, SCHED_RR); pthread_create(&th, &tattr, func, arg); has a first timeslice of 2^32 ticks (changing a running thread to SCHED_RR id ok). I use RTEMS-4.0.0. I am not sure if the problem exists in the current CVS head revision. If it's not fixed, the patch at the end should do it. Peter --- pthreadcreate.c.orig Wed Jul 28 14:45:58 1999 +++ pthreadcreate.c Wed Jul 28 15:06:09 1999 @@ -199,6 +199,10 @@ api->schedpolicy = schedpolicy; api->schedparam = schedparam; + if ( schedpolicy == SCHED_RR ) { + the_thread->cpu_time_budget = _Thread_Ticks_per_timeslice; + } + /* * This insures we evaluate the process-wide signals pending when we * first run.
* Thread Handler split into multiple files. Eventually, as RTEMS isJoel Sherrill1999-05-171-0/+175
split into one function per file, this will decrease the size of executables.
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