Remove some uses of the GCC __nonnull() attribute.
While the checks are considered useful, the attribute does dangerous optimizations, removing NULL checks where they can be needed. Remove the uses of this attribute introduced in r281130: the changes were inspired on Google's bionic where this attribute is not used anymore. The __nonnull() attribute will be deprecrated from our headers and replaced with the Clang _Nonnull qualifier in the future. MFC after: 3 days
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pfg
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@ -147,25 +147,19 @@ struct _pthread_cleanup_info {
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*/
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__BEGIN_DECLS
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int pthread_atfork(void (*)(void), void (*)(void), void (*)(void));
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int pthread_attr_destroy(pthread_attr_t *) __nonnull(1);
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int pthread_attr_destroy(pthread_attr_t *);
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int pthread_attr_getstack(const pthread_attr_t * __restrict,
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void ** __restrict, size_t * __restrict)
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__nonnull_all;
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int pthread_attr_getstacksize(const pthread_attr_t *, size_t *)
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__nonnull_all;
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void ** __restrict, size_t * __restrict);
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int pthread_attr_getstacksize(const pthread_attr_t *, size_t *);
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int pthread_attr_getguardsize(const pthread_attr_t *, size_t *);
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int pthread_attr_getstackaddr(const pthread_attr_t *, void **);
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int pthread_attr_getdetachstate(const pthread_attr_t *, int *)
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__nonnull_all;
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int pthread_attr_init(pthread_attr_t *) __nonnull(1);
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int pthread_attr_setstacksize(pthread_attr_t *, size_t)
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__nonnull(1);
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int pthread_attr_setguardsize(pthread_attr_t *, size_t)
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__nonnull(1);
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int pthread_attr_setstack(pthread_attr_t *, void *, size_t)
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__nonnull(1);
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int pthread_attr_getdetachstate(const pthread_attr_t *, int *);
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int pthread_attr_init(pthread_attr_t *);
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int pthread_attr_setstacksize(pthread_attr_t *, size_t);
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int pthread_attr_setguardsize(pthread_attr_t *, size_t);
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int pthread_attr_setstack(pthread_attr_t *, void *, size_t);
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int pthread_attr_setstackaddr(pthread_attr_t *, void *);
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int pthread_attr_setdetachstate(pthread_attr_t *, int) __nonnull(1);
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int pthread_attr_setdetachstate(pthread_attr_t *, int);
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int pthread_barrier_destroy(pthread_barrier_t *);
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int pthread_barrier_init(pthread_barrier_t *,
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const pthread_barrierattr_t *, unsigned);
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@ -173,7 +167,7 @@ int pthread_barrier_wait(pthread_barrier_t *);
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int pthread_barrierattr_destroy(pthread_barrierattr_t *);
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int pthread_barrierattr_getpshared(const pthread_barrierattr_t *,
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int *);
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int pthread_barrierattr_init(pthread_barrierattr_t *) __nonnull(1);
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int pthread_barrierattr_init(pthread_barrierattr_t *);
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int pthread_barrierattr_setpshared(pthread_barrierattr_t *, int);
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#define pthread_cleanup_push(cleanup_routine, cleanup_arg) \
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@ -189,111 +183,100 @@ int pthread_barrierattr_setpshared(pthread_barrierattr_t *, int);
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__pthread_cleanup_pop_imp(execute); \
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}
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int pthread_condattr_destroy(pthread_condattr_t *) __nonnull(1);
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int pthread_condattr_destroy(pthread_condattr_t *);
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int pthread_condattr_getclock(const pthread_condattr_t *,
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clockid_t *) __nonnull_all;
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int pthread_condattr_getpshared(const pthread_condattr_t *, int *)
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__nonnull_all;
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int pthread_condattr_init(pthread_condattr_t *) __nonnull(1);
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int pthread_condattr_setclock(pthread_condattr_t *, clockid_t)
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__nonnull(1);
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int pthread_condattr_setpshared(pthread_condattr_t *, int)
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__nonnull(1);
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int pthread_cond_broadcast(pthread_cond_t *)
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__nonnull(1);
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int pthread_cond_destroy(pthread_cond_t *)
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__nonnull(1);
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clockid_t *);
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int pthread_condattr_getpshared(const pthread_condattr_t *, int *);
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int pthread_condattr_init(pthread_condattr_t *);
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int pthread_condattr_setclock(pthread_condattr_t *, clockid_t);
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int pthread_condattr_setpshared(pthread_condattr_t *, int);
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int pthread_cond_broadcast(pthread_cond_t *);
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int pthread_cond_destroy(pthread_cond_t *);
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int pthread_cond_init(pthread_cond_t *,
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const pthread_condattr_t *) __nonnull(1);
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int pthread_cond_signal(pthread_cond_t *) __nonnull(1);
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const pthread_condattr_t *);
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int pthread_cond_signal(pthread_cond_t *);
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int pthread_cond_timedwait(pthread_cond_t *,
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pthread_mutex_t *__mutex, const struct timespec *)
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__nonnull_all __requires_exclusive(*__mutex);
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__requires_exclusive(*__mutex);
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int pthread_cond_wait(pthread_cond_t *, pthread_mutex_t *__mutex)
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__nonnull_all __requires_exclusive(*__mutex);
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__requires_exclusive(*__mutex);
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int pthread_create(pthread_t *, const pthread_attr_t *,
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void *(*) (void *), void *) __nonnull(1) __nonnull(3);
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void *(*) (void *), void *);
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int pthread_detach(pthread_t);
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int pthread_equal(pthread_t, pthread_t);
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void pthread_exit(void *) __dead2;
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void *pthread_getspecific(pthread_key_t);
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int pthread_getcpuclockid(pthread_t, clockid_t *) __nonnull(2);
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int pthread_getcpuclockid(pthread_t, clockid_t *);
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int pthread_join(pthread_t, void **);
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int pthread_key_create(pthread_key_t *,
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void (*) (void *)) __nonnull(1);
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void (*) (void *));
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int pthread_key_delete(pthread_key_t);
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int pthread_mutexattr_init(pthread_mutexattr_t *) __nonnull(1);
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int pthread_mutexattr_destroy(pthread_mutexattr_t *) __nonnull(1);
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int pthread_mutexattr_init(pthread_mutexattr_t *);
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int pthread_mutexattr_destroy(pthread_mutexattr_t *);
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int pthread_mutexattr_getpshared(const pthread_mutexattr_t *,
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int *) __nonnull_all;
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int pthread_mutexattr_gettype(pthread_mutexattr_t *, int *)
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__nonnull_all;
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int pthread_mutexattr_settype(pthread_mutexattr_t *, int)
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__nonnull(1);
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int pthread_mutexattr_setpshared(pthread_mutexattr_t *, int)
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__nonnull(1);
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int *);
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int pthread_mutexattr_gettype(pthread_mutexattr_t *, int *);
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int pthread_mutexattr_settype(pthread_mutexattr_t *, int);
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int pthread_mutexattr_setpshared(pthread_mutexattr_t *, int);
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int pthread_mutex_consistent(pthread_mutex_t *__mutex)
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__nonnull(1) __requires_exclusive(*__mutex);
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int pthread_mutex_destroy(pthread_mutex_t *__mutex)
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__nonnull(1) __requires_unlocked(*__mutex);
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__requires_unlocked(*__mutex);
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int pthread_mutex_init(pthread_mutex_t *__mutex,
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const pthread_mutexattr_t *)
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__nonnull(1) __requires_unlocked(*__mutex);
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__requires_unlocked(*__mutex);
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int pthread_mutex_lock(pthread_mutex_t *__mutex)
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__nonnull(1) __locks_exclusive(*__mutex);
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__locks_exclusive(*__mutex);
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int pthread_mutex_trylock(pthread_mutex_t *__mutex)
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__nonnull(1) __trylocks_exclusive(0, *__mutex);
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__trylocks_exclusive(0, *__mutex);
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int pthread_mutex_timedlock(pthread_mutex_t *__mutex,
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const struct timespec *)
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__nonnull_all __trylocks_exclusive(0, *__mutex);
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__trylocks_exclusive(0, *__mutex);
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int pthread_mutex_unlock(pthread_mutex_t *__mutex)
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__nonnull(1) __unlocks(*__mutex);
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int pthread_once(pthread_once_t *, void (*) (void)) __nonnull_all;
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__unlocks(*__mutex);
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int pthread_once(pthread_once_t *, void (*) (void));
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int pthread_rwlock_destroy(pthread_rwlock_t *__rwlock)
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__nonnull(1) __requires_unlocked(*__rwlock);
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__requires_unlocked(*__rwlock);
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int pthread_rwlock_init(pthread_rwlock_t *__rwlock,
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const pthread_rwlockattr_t *)
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__nonnull(1) __requires_unlocked(*__rwlock);
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__requires_unlocked(*__rwlock);
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int pthread_rwlock_rdlock(pthread_rwlock_t *__rwlock)
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__nonnull(1) __locks_shared(*__rwlock);
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__locks_shared(*__rwlock);
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int pthread_rwlock_timedrdlock(pthread_rwlock_t *__rwlock,
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const struct timespec *)
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__nonnull_all __trylocks_shared(0, *__rwlock);
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__trylocks_shared(0, *__rwlock);
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int pthread_rwlock_timedwrlock(pthread_rwlock_t *__rwlock,
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const struct timespec *)
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__nonnull_all __trylocks_exclusive(0, *__rwlock);
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__trylocks_exclusive(0, *__rwlock);
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int pthread_rwlock_tryrdlock(pthread_rwlock_t *__rwlock)
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__nonnull(1) __trylocks_shared(0, *__rwlock);
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__trylocks_shared(0, *__rwlock);
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int pthread_rwlock_trywrlock(pthread_rwlock_t *__rwlock)
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__nonnull(1) __trylocks_exclusive(0, *__rwlock);
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__trylocks_exclusive(0, *__rwlock);
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int pthread_rwlock_unlock(pthread_rwlock_t *__rwlock)
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__nonnull(1) __unlocks(*__rwlock);
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__unlocks(*__rwlock);
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int pthread_rwlock_wrlock(pthread_rwlock_t *__rwlock)
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__nonnull(1) __locks_exclusive(*__rwlock);
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int pthread_rwlockattr_destroy(pthread_rwlockattr_t *)
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__nonnull(1);
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__locks_exclusive(*__rwlock);
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int pthread_rwlockattr_destroy(pthread_rwlockattr_t *);
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int pthread_rwlockattr_getkind_np(const pthread_rwlockattr_t *,
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int *);
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int pthread_rwlockattr_getpshared(const pthread_rwlockattr_t *,
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int *) __nonnull_all;
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int pthread_rwlockattr_init(pthread_rwlockattr_t *)
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__nonnull(1);
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int *);
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int pthread_rwlockattr_init(pthread_rwlockattr_t *);
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int pthread_rwlockattr_setkind_np(pthread_rwlockattr_t *, int);
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int pthread_rwlockattr_setpshared(pthread_rwlockattr_t *, int)
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__nonnull(1);
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int pthread_rwlockattr_setpshared(pthread_rwlockattr_t *, int);
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pthread_t pthread_self(void);
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int pthread_setspecific(pthread_key_t, const void *);
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int pthread_spin_init(pthread_spinlock_t *__spin, int)
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__requires_unlocked(*__spin);
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__requires_unlocked(*__spin);
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int pthread_spin_destroy(pthread_spinlock_t *__spin)
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__requires_unlocked(*__spin);
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__requires_unlocked(*__spin);
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int pthread_spin_lock(pthread_spinlock_t *__spin)
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__locks_exclusive(*__spin);
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__locks_exclusive(*__spin);
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int pthread_spin_trylock(pthread_spinlock_t *__spin)
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__trylocks_exclusive(0, *__spin);
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__trylocks_exclusive(0, *__spin);
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int pthread_spin_unlock(pthread_spinlock_t *__spin)
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__unlocks(*__spin);
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__unlocks(*__spin);
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int pthread_cancel(pthread_t);
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int pthread_setcancelstate(int, int *);
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int pthread_setcanceltype(int, int *);
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@ -322,20 +305,18 @@ int pthread_mutexattr_setrobust(pthread_mutexattr_t *, int)
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int pthread_attr_getinheritsched(const pthread_attr_t *, int *);
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int pthread_attr_getschedparam(const pthread_attr_t *,
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struct sched_param *) __nonnull_all;
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int pthread_attr_getschedpolicy(const pthread_attr_t *, int *)
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__nonnull_all;
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int pthread_attr_getscope(const pthread_attr_t *, int *)
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__nonnull_all;
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struct sched_param *);
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int pthread_attr_getschedpolicy(const pthread_attr_t *, int *);
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int pthread_attr_getscope(const pthread_attr_t *, int *);
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int pthread_attr_setinheritsched(pthread_attr_t *, int);
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int pthread_attr_setschedparam(pthread_attr_t *,
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const struct sched_param *) __nonnull(1) __nonnull(2);
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int pthread_attr_setschedpolicy(pthread_attr_t *, int) __nonnull(1);
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int pthread_attr_setscope(pthread_attr_t *, int) __nonnull(1);
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const struct sched_param *);
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int pthread_attr_setschedpolicy(pthread_attr_t *, int);
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int pthread_attr_setscope(pthread_attr_t *, int);
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int pthread_getschedparam(pthread_t pthread, int *,
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struct sched_param *) __nonnull(2) __nonnull(3);
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struct sched_param *);
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int pthread_setschedparam(pthread_t, int,
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const struct sched_param *) __nonnull(3);
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const struct sched_param *);
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#if __XSI_VISIBLE
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int pthread_getconcurrency(void);
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int pthread_setconcurrency(int);
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@ -82,10 +82,10 @@ int sigdelset(sigset_t *, int);
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int sigemptyset(sigset_t *);
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int sigfillset(sigset_t *);
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int sigismember(const sigset_t *, int);
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int sigpending(sigset_t *) __nonnull(1);
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int sigpending(sigset_t *);
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int sigprocmask(int, const sigset_t * __restrict, sigset_t * __restrict);
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int sigsuspend(const sigset_t *) __nonnull(1);
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int sigwait(const sigset_t * __restrict, int * __restrict) __nonnull_all;
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int sigsuspend(const sigset_t *);
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int sigwait(const sigset_t * __restrict, int * __restrict);
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#endif
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#if __POSIX_VISIBLE >= 199506 || __XSI_VISIBLE >= 600
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@ -172,7 +172,7 @@ char *realpath(const char * __restrict, char * __restrict);
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int rand_r(unsigned *); /* (TSF) */
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#endif
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#if __POSIX_VISIBLE >= 200112
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int posix_memalign(void **, size_t, size_t) __nonnull(1); /* (ADV) */
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int posix_memalign(void **, size_t, size_t); /* (ADV) */
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int setenv(const char *, const char *, int);
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int unsetenv(const char *);
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#endif
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