omp_unset_nest_lock(nvar)

Purpose

The omp_unset_nest_lock subroutine allows you to release ownership of a nestable lock. The subroutine decrements the nesting count and releases the associated thread from ownership of the nestable lock.

Class

Subroutine.

Argument Type and Attributes

nvar
Integer of kind omp_lock_kind.

Result Type and Attributes

None.

Result Value

None.

Examples

USE omp_lib
INTEGER P
INTEGER A
INTEGER B
INTEGER ( kind=omp_nest_lock_kind ) LCK
 
CALL omp_init_nest_lock ( LCK )
 
!$OMP PARALLEL SECTIONS
!$OMP SECTION
CALL omp_set_nest_lock ( LCK )
P = P + A
CALL omp_set_nest_lock ( LCK )
P = P + B
CALL omp_unset_nest_lock ( LCK )
CALL omp_unset_nest_lock ( LCK )
!$OMP SECTION
CALL omp_set_nest_lock ( LCK )
P = P + B
CALL omp_unset_nest_lock ( LCK )
!$OMP END PARALLEL SECTIONS
 
CALL omp_destroy_nest_lock ( LCK )
END
 

+----------------------------End of IBM Extension----------------------------+

IBM Copyright 2003