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Everywhere: Switch from (void) to [[maybe_unused]] (#4473)

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Problem:
- `(void)` simply casts the expression to void. This is understood to
  indicate that it is ignored, but this is really a compiler trick to
  get the compiler to not generate a warning.

Solution:
- Use the `[[maybe_unused]]` attribute to indicate the value is unused.

Note:
- Functions taking a `(void)` argument list have also been changed to
  `()` because this is not needed and shows up in the same grep
  command.
This commit is contained in:
Lenny Maiorani 2020-12-20 16:09:48 -07:00 • committed by GitHub
parent 4421d98e30
commit 765936ebae
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GPG key ID: 4AEE18F83AFDEB23
103 changed files with 219 additions and 362 deletions
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6
Libraries/LibPthread/pthread.h
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@ -67,7 +67,7 @@ int pthread_attr_setstack(pthread_attr_t* attr, void*, size_t);
int pthread_attr_getstacksize(const pthread_attr_t*, size_t*);
int pthread_attr_setstacksize(pthread_attr_t*, size_t);
int pthread_once(pthread_once_t*, void (*)(void));
int pthread_once(pthread_once_t*, void (*)());
#define PTHREAD_ONCE_INIT 0
void* pthread_getspecific(pthread_key_t key);
int pthread_setspecific(pthread_key_t key, const void* value);
@ -100,14 +100,14 @@ int pthread_cancel(pthread_t);
int pthread_cond_destroy(pthread_cond_t*);
int pthread_cond_timedwait(pthread_cond_t*, pthread_mutex_t*, const struct timespec*);
void pthread_testcancel(void);
void pthread_testcancel();
int pthread_spin_destroy(pthread_spinlock_t*);
int pthread_spin_init(pthread_spinlock_t*, int);
int pthread_spin_lock(pthread_spinlock_t*);
int pthread_spin_trylock(pthread_spinlock_t*);
int pthread_spin_unlock(pthread_spinlock_t*);
pthread_t pthread_self(void);
pthread_t pthread_self();
int pthread_detach(pthread_t);
int pthread_equal(pthread_t, pthread_t);
int pthread_mutexattr_init(pthread_mutexattr_t*);