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NAME    [Toc]    [Back]

       decl_simple_lock_data  -  General:  Declares a simple lock

SYNOPSIS    [Toc]    [Back]

       #include <kern/lock.h>

       void decl_simple_lock_data(
               char class,
               char name );

ARGUMENTS    [Toc]    [Back]

       Specifies the class of the declaration. For  example,  you
       pass  the keyword extern if you want to declare the simple
       lock structure as an external  structure.   Specifies  the
       name  you want the decl_simple_lock_data routine to assign
       to the declaration of the simple lock structure.

DESCRIPTION    [Toc]    [Back]

       The decl_simple_lock_data routine declares a  simple  lock
       structure,  slock,  of  the  specified name. You declare a
       simple lock  structure  to  protect  data  structures  and
       device  register  access. You use decl_simple_lock_data to
       declare a simple lock structure and then pass  it  to  the
       following simple lock-specific routines: simple_lock_init,
       simple_lock,  simple_lock_try,  simple_unlock,  and   simple_lock_terminate.

RETURN VALUES    [Toc]    [Back]


FILES    [Toc]    [Back]

       Routines:   simple_lock(9r),   simple_lock_try(9r),   simple_lock_init(9r), simple_unlock(9r)

       Data Structures: slock(9s)

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