Intel® Fortran Compiler XE 13.1 User and Reference Guides
OpenMP* Fortran Compiler Directive: Specifies a wait on the completion of child tasks generated since the beginning of the current task.
Is one of the following: C (or c), !, or * (see Syntax Rules for Compiler Directives).
The TASKWAIT region includes an implicit task scheduling point in the current task region. The current task region is suspended at the task scheduling point until execution of all its child tasks generated before the TASKWAIT region are completed.