IORecursiveLockAlloc
Allocates and initializes an recursive lock.
Declaration
struct IORecursiveLock * IORecursiveLockAlloc(void);IORecursiveLock * IORecursiveLockAlloc(void);Return Value
Pointer to the allocated lock, or zero on failure.
Discussion
Allocates a recursive lock in general purpose memory, and initializes it. Recursive locks function identically to mutexes but allow one thread to lock more than once, with balanced unlocks. IORecursiveLocks use the global IOKit lock group, IOLockGroup. To simplify kext debugging and lock-heat analysis, consider using lck_* locks with a per-driver lock group, as defined in kern/locks.h.