Semantics of Parallel Region

C$OMP PARALLEL [DEFAULT(PRIVATE|SHARED|NONE)]

[PRIVATE(list)] [SHARED(list)]

[FIRSTPRIVATE(list)]

[COPYIN(list)]

[REDUCTION({op|intrinsic}:list)]

[IF(scalar_logical_expression)]

block

C$OMP END PARALLEL

#pragma omp parallel [default(private|shared|none)]

[private(list)] [shared(list)]

[firstprivate(list)]

[copyin(list)]

[reduction({op|intrinsic}:list)]

[if(scalar_logical_expression)]

{

block

}