8.2.5. _gfortran_caf_register

8.2.5 _gfortran_caf_register — Registering coarrays

Description:

Allocates memory for a coarray and creates a token to identify the coarray. The function is called for both coarrays with SAVE attribute and using an explicit ALLOCATE statement. If an error occurs and STAT is a NULL pointer, the function shall abort with printing an error message and starting the error termination. If no error occurs and STAT is present, it shall be set to zero. Otherwise, it shall be set to a positive value and, if not-NULL, ERRMSG shall be set to a string describing the failure. The function shall return a pointer to the requested memory for the local image as a call to malloc would do.

For CAF_REGTYPE_COARRAY_STATIC and CAF_REGTYPE_COARRAY_ALLOC, the passed size is the byte size requested

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