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->int pthread_key_create(pthread_key_t *key,
- void (*destructor)(void *));
-int pthread_setspecific(pthread_key_t key, const void *pointer);
-void *pthread_getspecific(pthread_key_t key);
-int pthread_key_delete(pthread_key_t key);</PRE
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-> The value of PTHREAD_DESTRUCTOR_ITERATIONS is
- provided by the
- CYGNUM_POSIX_PTHREAD_DESTRUCTOR_ITERATIONS
- option. This controls the number of times that a key destructor
- will be called while the data item remains non-NULL.
- </P
-></LI
-><LI
-><P
-> The value of PTHREAD_KEYS_MAX is provided
- by the CYGNUM_POSIX_PTHREAD_KEYS_MAX
- option. This defines the maximum number of per-thread data items
- supported. The POSIX standard calls for this to be a minimum of
- 128, which is rather large for an embedded system. The default
- value for this option is set to 128 for compatibility but it
- should be reduced to a more usable value.
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