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* score: Improve red-black tree debug supportSebastian Huber2016-09-064-3/+19
| | | | Ensure that we extract a node only from the right tree.
* score: Add _RBTree_Initialize_one()Sebastian Huber2016-09-061-0/+20
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* score: Add missing const qualifiersSebastian Huber2016-09-062-10/+10
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* capture: Use proper accessor functionsSebastian Huber2016-09-061-4/+4
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* capture: Workaround to avoid misaligned accessSebastian Huber2016-09-061-1/+1
| | | | | Move the 64-bit field to a not 64-bit aligned structure offset to stop the compiler from generating 64-bit load/store operations.
* libmisc/capture: Remove the reserved _t in the types.Chris Johns2016-09-018-271/+252
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* libmisc/capture: Fix the capture engine on SMP.Chris Johns2016-09-019-666/+880
| | | | | | | | | | | | | | | | | | | | | | | This patches some issues with the capture engine: 1. Check is the engine is open in ctrace commands. 2. Check all record open and appends for overflow. 3. Fix the record open to take the size of user data and not the record header. 4. Use packed structs for data being written to the per cpu buffers. 5. Remove direct struct access to the capture buffers to avoid misaligned accesses. 6. Add support to extract records, no struct access to the capture buffers. 7. Update ctrace to extract records from the capture buffers. 8. Add support to ctrace to always print the task name if it has one. 9. Add support to manage names or the lack of a name. 10. Range of minor fixes. 11. Fix a long standing bug in ctset's handling of args. Closes #2780.
* arm: Add VFP context validate support for ARMv5Kevin Kirspel2016-08-192-5/+11
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* score: Fix undefined behaviourSebastian Huber2016-08-181-1/+1
| | | | | Cast POSIX error codes to unsigned int to avoid undefined behaviour in case of PTHREAD_BARRIER_SERIAL_THREAD which is -1.
* testsuite: Add libdl/dl03 cache test.Chris Johns2016-08-152-1/+5
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* libdl: Fix cache corruption bugs.Chris Johns2016-08-153-30/+86
| | | | | | | | | This patch fixes a number of bugs in the cache when requests are made to read close to the end of the file and the data is copied from the top of the cache buffer to the bottom of the buffer. This was compounded by attempting to read past the end of the file. Closes #2754.
* libdl: Add trace output when reading section headers.Chris Johns2016-08-151-0/+3
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* score: Improve _RBTree_Insert_inline()Sebastian Huber2016-08-121-1/+9
| | | | Return if the inserted node is the new minimum node or not.
* score: Introduce thread queue surrender operationSebastian Huber2016-08-114-36/+94
| | | | | | This is an optimization for _Thread_queue_Surrender(). It helps to encapsulate the priority boosting in the priority inheritance thread queue operations.
* score: Dismantle _Thread_queue_Do_extract_locked()Sebastian Huber2016-08-111-28/+39
| | | | | | | Dismantle _Thread_queue_Do_extract_locked() into re-usable parts like _Thread_queue_MP_set_callout() and _Thread_queue_Make_ready_again(). Use them in _Thread_queue_Surrender() to propare for a new thread queue surrender operation.
* score: Add _Thread_queue_Surrender()Sebastian Huber2016-08-116-134/+86
| | | | | Add _Thread_queue_Surrender() to unify the mutex surrender procedures which involve a thread queue operation.
* build-system: Always enable C++ if the compiler is present.Chris Johns2016-08-111-2/+4
| | | | | | | | | | | We always build a C++ compiler and building with C++ does not effect RTEMS or the runtime. This patch always enabled the support. There is no need to manually enable it any more. You can disable C++ with '--disable-cxx'. If an architecture does not have a C++ compiler support is automatically disabled.
* posix: nanosleep: adjust elapsed time calculationGedare Bloom2016-08-101-39/+39
| | | | | | | Use clock_gettime before and after sleep to calculate the time spent asleep, and the amount of time remaining. updates #2732
* libmisc/untar: Set the perms to the value in the tar file.Chris Johns2016-08-092-20/+34
| | | | | | | This patch parses the mode field in the tar header and sets the directory or file to the mode value in the header. Closes #2768.
* score: Add debug support to red-black treesSebastian Huber2016-08-0811-32/+62
| | | | This helps to detect double insert and extract errors.
* posix: Fix for RTEMS_DEBUGSebastian Huber2016-08-081-0/+1
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* score: Simplify _Thread_Finalize_life_change()Sebastian Huber2016-08-051-7/+1
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* score: Fix a release/cancel job race conditionSebastian Huber2016-08-0416-83/+72
| | | | | | | | Split up the potential thread priority change in the scheduler release/cancel job operation. Protect the rate monotonic period state with a dedicated SMP lock. This avoids a race condition during _Rate_monotonic_Timeout() while _Rate_monotonic_Cancel() is called on another processor.
* score: Fix _Thread_queue_Path_release()Sebastian Huber2016-08-041-8/+13
| | | | | | It is possible that the owner of the terminal link of a thread queue path waits on a thread queue. However, this thread queue has no owner, e.g. a thread queue of a message queue.
* score: Fix _Scheduler_EDF_Cancel_job_filter()Sebastian Huber2016-08-041-1/+1
| | | | | Commit 21bdca49eea9213cc31a497072d01192eed8675e accidentally used a function which may be added later.
* score: Optimize _Thread_queue_Path_release()Sebastian Huber2016-08-041-7/+29
| | | | Update #2556.
* score: Indroduce cancel job scheduler operationSebastian Huber2016-08-0413-9/+94
| | | | | Do not use a deadline value of zero to indicate a job cancellation. Use a dedicated scheduler operation for this.
* score: Fix and simplify thread wait locksSebastian Huber2016-08-038-269/+139
| | | | | | | | | | There was a subtile race condition in _Thread_queue_Do_extract_locked(). It must first update the thread wait flags and then restore the default thread wait state. In the previous implementation this could lead under rare timing conditions to an ineffective _Thread_Wait_tranquilize() resulting to a corrupt system state. Update #2556.
* posix: Fix for RTEMS_DEBUGSebastian Huber2016-08-031-2/+8
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* score: Fix for RTEMS_DEBUGSebastian Huber2016-08-031-0/+1
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* linker set: Allow adding any variable into contentChristian Mauderer2016-08-021-0/+8
| | | | | | | | | | | The newly created macro adds any kind of variable into a linker set. It allows (for example) the saving an execution state of a function using the following method: - put a group of different variables into one linker set - save the memory area containing the group of variables before the execution of a function - restore the memory area after the function has been executed
* score: Fix for RTEMS_DEBUGSebastian Huber2016-08-011-0/+1
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* score: Fix for RTEMS_DEBUG.Chris Johns2016-08-011-0/+2
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* posix: nanosleep: optimize away a time conversionGedare Bloom2016-07-291-2/+1
| | | | updates #2732
* score: Add deadlock detectionSebastian Huber2016-07-278-19/+356
| | | | | | | | | | The mutex objects use the owner field of the thread queues for the mutex owner. Use this and add a deadlock detection to _Thread_queue_Enqueue_critical() for thread queues with an owner. Update #2412. Update #2556. Close #2765.
* score: Turn thread lock into thread wait lockSebastian Huber2016-07-2719-420/+766
| | | | | | | | | The _Thread_Lock_acquire() function had a potentially infinite run-time due to the lack of fairness at atomic operations level. Update #2412. Update #2556. Update #2765.
* score: Priority inherit thread queue operationsSebastian Huber2016-07-279-77/+116
| | | | | | | | | Move the priority change due to priority interitance to the thread queue enqueue operation to simplify the locking on SMP configurations. Update #2412. Update #2556. Update #2765.
* score: Simplify _Thread_queue_Boost_priority()Sebastian Huber2016-07-273-19/+23
| | | | | | | | | | Raise the priority under thread queue lock protection and omit the superfluous thread queue priority change, since the thread is extracted anyway. The unblock operation will pick up the new priority. Update #2412. Update #2556. Update #2765.
* score: Split _Thread_Change_priority()Sebastian Huber2016-07-272-9/+62
| | | | | | Update #2412. Update #2556. Update #2765.
* score: Fix for RTEMS_DEBUGSebastian Huber2016-07-271-0/+1
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* posix: Fix error statusSebastian Huber2016-07-271-2/+3
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* cpukit: refactor nanosleep and use 64-bit timeout for threadqGedare Bloom2016-07-262-58/+68
| | | | | | | | | | * Fixes a bug with elapsed time calculations misusing absolute time arguments in nanosleep_helper by passing the requested relative interval. * Fixes a bug with truncation of absolute timeouts by passing the full 64-bit value to Thread_queue_Enqueue. * Share yield logic between nanosleep and clock_nanosleep. updates #2732
* Add Untar_FromGzChunk_Print() + TestAlexander Krutwig2016-07-263-1/+123
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* Add Untar_FromChunk_Print() + TestAlexander Krutwig2016-07-262-1/+197
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* score: FormatSebastian Huber2016-07-261-9/+9
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* score: Fix printk() format specifiersSebastian Huber2016-07-261-2/+5
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* score: FormatSebastian Huber2016-07-262-24/+21
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* score: Add a STATES_DEBUGGER for use by debugging agents to a thread's state.Chris Johns2016-07-261-0/+2
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* posix: fix clock_nanosleep and nanosleep clock useGedare Bloom2016-07-251-25/+68
| | | | | | | | | | Sleeping with CLOCK_REALTIME should use the WATCHDOG_ABSOLUTE clock discipline for the threadq so that the timeout interval may change in case the clock source changes. Similarly, CLOCK_MONOTONIC uses the WATCHDOG_RELATIVE threadq that will only wakeup the thread after the requested count of ticks elapse. updates #2732
* posix: cond_timedwait remember and use clock from condattrGedare Bloom2016-07-2515-15/+29
| | | | updates #2745
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