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kernel: Remove abort and join implementation (UNBISECTABLE)

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THIS COMMIT DELIBERATELY BREAKS BISECTABILITY FOR EASE OF REVIEW.
SKIP IF YOU LAND HERE.

Remove the existing implementatoin of k_thread_abort(),
k_thread_join(), and the attendant facilities in the thread subsystem
and idle thread that support them.

Signed-off-by: Andy Ross <andrew.j.ross@intel.com>
This commit is contained in:
Andy Ross 2021-02-17 08:19:10 -08:00 • committed by Anas Nashif
commit c0c8cb0e97
9 changed files with 0 additions and 412 deletions
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31
include/kernel/thread.h
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@ -112,14 +112,6 @@ struct _thread_base {
/* this thread's entry in a timeout queue */
struct _timeout timeout;
#endif
_wait_q_t join_waiters;
#if __ASSERT_ON
/* For detecting calls to k_thread_create() on threads that are
* already active
*/
atomic_t cookie;
#endif
};
typedef struct _thread_base _thread_base_t;
@ -212,29 +204,6 @@ struct k_thread {
/** static thread init data */
void *init_data;
/**
* abort function
*
* This function pointer, if non-NULL, will be run once after the
* thread has completely exited. It may run in the context of:
* - the idle thread if the thread self-exited
* - another thread calling k_thread_abort()
* - a fatal exception handler on a special stack
*
* It will never run in the context of the thread itself.
*
* A pointer to the thread object that was aborted is provided. At the
* time this runs, this thread object has completely exited. It may
* be re-used with k_thread_create() or return it to a heap or slab
* pool.
*
* This function does not run with any kind of lock active and
* there is the possibility of races leading to undefined behavior
* if other threads are attempting to free or recycle this object
* concurrently.
*/
void (*fn_abort)(struct k_thread *aborted);
#if defined(CONFIG_POLL)
struct z_poller poller;
#endif