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Full Discussion: Linux lock problem
Top Forums UNIX for Advanced & Expert Users Linux lock problem Post 302960289 by jim mcnamara on Friday 13th of November 2015 07:38:40 AM
Old 11-13-2015
By lock do you mean a user mode mutex, some kind of file lock or are you doing something with drivers?

Your description needs a lot more detail if you want a usable answer.
 

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lock_done(9r)															     lock_done(9r)

NAME
lock_done - General: Releases a complex lock SYNOPSIS
#include <kern/lock.h> void lock_done( lock_t lock_structptr ); ARGUMENTS
Specifies a pointer to the complex lock structure, lock. The lock structure is an opaque data structure; that is, its associated members are referenced and manipulated by the operating system and not by the user of the complex lock mechanism. DESCRIPTION
The lock_done routine releases a lock that was previously asserted by one of the following complex lock routines: lock_read, lock_try_read, lock_try_write, and lock_write. NOTES
You must hold the lock on the resource before calling lock_done. RETURN VALUES
None FILES
SEE ALSO
Routines: lock_init(9r), lock_read(9r), lock_terminate(9r), lock_try_read(9r), lock_try_write(9r), lock_write(9r) Data Structures: lock(9s) lock_done(9r)
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