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OpenMP Directives: Data Scope Attribute Clauses: PRIVATE Clause

Purpose:

The PRIVATE clause declares variables in its list to be private to each thread.

Format:

Fortran

PRIVATE (list)

C/C++

private (list)

Notes:

PRIVATE THREADPRIVATE
Data Item C/C++: variable
Fortran: variable or common block
C/C++: variable
Fortran: common block
Where Declared At start of region or work-sharing group In declarations of each routine using block or global file scope
Persistent? No Yes
Extent Lexical only - unless passed as an argument to subroutine Dynamic
Initialized Use FIRSTPRIVATE Use COPYIN