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* Mega patch merge to change the format of the object IDs to
loosen the dependency between the SCORE and the various APIs.
There was considerable work to simplify the object name management
and it appears that the name_table field is no longer needed.
This patch also includes the addition of the internal mutex
which is currently only used to protect some types of allocation
and deallocation. This significantly can reduce context
switch latency under certain circumstances. In particular,
some heap/region operations were O(n) and had dispatching
disabled. This should help enormously. With this merge,
the patch is not as clean as it should be. In particular,
the documentation has not been modified to reflect the new object
ID layout, the IDs in the test screens are not updated, and
_Objects_Get_information needs to be a real routine not inlined.
As part of this patch a lot of MP code for thread/proxy blocking
was made conditional and cleaned up.
* include/rtems/posix/key.h, src/cond.c, src/condinit.c, src/intr.c,
src/key.c, src/keycreate.c, src/keydelete.c, src/killinfo.c,
src/mqueue.c, src/mqueuecreatesupp.c, src/mutex.c, src/mutexinit.c,
src/psignal.c, src/pthread.c, src/semaphore.c,
src/semaphorecreatesupp.c: Modified as part of above.
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* configure.in: Add src/config.h
* src/Makefile.am: Add INCLUDES += -I. to pickup config.h
* src/.cvsignore: Add config.h and stamp-h
* src/*.c: Add config.h support.
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it work.
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no one will ever get confused here again and try to enable dispatching. :(
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the timeout is given as a wall-time not an interval as was previously
implemented. Second, the interpretation of ETIMEDOUT behavior was
incorrect as all possible error cases needed to be checked before
this error was returned. This caused problems when the wall-time
specified was in the past.
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later pthread_mutex_lock. This makes our behavior more compatible
with that of FSU pthreads.
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to return EINVAL is there is an error
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_POSIX_Mutex_From_core_mutex_status for the two calls to the mutex manager
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if the queue has been emptied of waiting tasks.
_POSIX_Condition_variables_Wait_support: added error check for different mutexesfor the same condition variable. Also added _Thread_queue_Enter_critical_section
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added mp stubs to cond.c and mutex.c to eliminate link errors.
added pthread_exit to pthread.c
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of the POSIX API necessary to support the GNAT runtime to initially compile.
We now have verified that the specifications for the necessary routines
are correct per the POSIX standards we have.
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