1al_lock_mutex(3)           Library Functions Manual           al_lock_mutex(3)
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NAME

6       al_lock_mutex
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SYNOPSIS

9              #include <allegro5/allegro.h>
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11              void al_lock_mutex(ALLEGRO_MUTEX *mutex)
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DESCRIPTION

14       Acquire  the  lock on mutex.  If the mutex is already locked by another
15       thread, the call will block  until  the  mutex  becomes  available  and
16       locked.
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18       If  the  mutex is already locked by the calling thread, then the behav‐
19       iour depends on whether the mutex was created  with  al_create_mutex(3)
20       or  al_create_mutex_recursive(3).  In the former case, the behaviour is
21       undefined; the most likely behaviour is deadlock.  In the latter  case,
22       the  count  in  the  mutex will be incremented and the call will return
23       immediately.
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SEE ALSO

26       al_unlock_mutex(3).
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28       We don't yet have al_mutex_trylock.
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32Allegro reference manual                                      al_lock_mutex(3)