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### 2.34 `omp_init_nest_lock` – Initialize nested lock

Description:

  Initialize a nested lock. After initialization, the lock is in an unlocked state and the nesting count is set to zero.

C/C++:

  Prototype: | `void omp_init_nest_lock(omp_nest_lock_t *lock);`

Fortran:

  Interface: | `subroutine omp_init_nest_lock(nvar)`
  | `integer(omp_nest_lock_kind), intent(out) :: nvar`

See also:

  omp_destroy_nest_lock

Reference:

  OpenMP specification v4.0, Section 3.3.1.