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* include/rtems/posix/cancel.h, src/cancel.c, src/cancelrun.c,
src/mqueue.c, src/pthread.c, src/semaphore.c, src/setcancelstate.c,
src/setcanceltype.c, src/testcancel.c: Per PR164, corrected the
behavior of thread cancellation and did some cleanup as a side-effect.
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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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* Per PR142, make task switch extension its own list.
* src/pthread.c (_POSIX_Threads_User_extensions): Reflect 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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to initialize the pthread cancellation fields. This is a patch to
_POSIX_Threads_Create_extension that fixes the problem.
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support for return codes from POSIX threads that do an implicit exit
by returning from the bottom of the main function.
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of POSIX Init thread to be user configured.
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task to be deleted was created via the same API (i.e. were of the object
class created by this API). For example, a POSIX thread calling
the rtems_task_delete(SELF) directive would incorrectly update the RTEMS
object local pointer table.
Jennifer discovered this when moving tests implemented in C using the
Classic RTEMS API into a tree of Ada tests. The Ada tests were implicitly
using POSIX services. This lead to some unexpected behavior.
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Ada interface where entry is a keyword.
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argument indicates whether the task is to be placed at the head or tail of
its priority fifo when it is lowering its own priority. POSIX normally
follows the RTEMS API conventions but GNAT expects that all lowering of
a task's priority by the task itself will result in being placed at the
head of the priority FIFO. Normally, this would only occur as the result
of lose of inherited priority.
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stack size so more of acvc would pass.
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visible to other files.
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explicit to inherit scheduler to be consistent with FSU pthreads for gnat.
_POSIX_Threads_Create_extension: now inherit signal blocked mask from
creator if the new thread is a posix thread.
_POSIX_Threads_Initialize_user_threads: make sure posix initialization
threads start with a useful priority. If they inherit the priority
of the creating thread, they will end up at the same priority as the
idle thread. Since the idle thread does not yield, they will not run.
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sporadic server related routines.
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variable before set.
pthread_join: using local variable so user can pass NULL pointer as argument
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kill() in particular needs more test cases for full coverage. The search
for a thread interested in this signal has a lot of paths.
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receive a process-directed signal.
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make minimum stack size for posix threads double that of the cpu's minimum
requirement.
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send signals to the current thread or to another blocked thread. nanosleep()
can be interrupted by a signal and return the time remaining.
Post switch extension added to dispatch posix signal handlers.
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should be correct for other apis as well.
missing page numbers added on some references.
initial attempt at sig_procmask() and pthread_sigmask().
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RTEMS is built for debug, then every possible effort is made to validate
the two ids. Otherwise, a simple comparison is performed.
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reviewed the interpretation of most of the thread attributes.
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where _Objects_Get failed
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_Thread_Enable_dispatch.
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pthread_getschedparam.
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pthread_create
initial implementation of get/set id routines
better argument checking on scheduler functions.
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thread is added to join list in pthread_join.
all threads waiting on the join list are flushed when the thread exits.
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added initial version of pthread_detach and pthread_join
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implemented sigemptyset() sigfillset(), sigaddset(), sigdelset(), and
sigismember().
added checks for valid attribute values to some of the pthread_attr_t sets.
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tasks table"
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first posix thread ran
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There is a potential problem if setting PTHREAD_STACK_MIN to 0 does not
work with all applications since it is in limit.h over in newlib. There
is a potential build order issue with newlib needing to know the rtems
cpu dependent stack size minimum.
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