The GNU Fortran Compiler: _gfortran_caf_atomic_define

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#### 7.2.28 `_gfortran_caf_atomic_define` — Atomic variable assignment

Description:

  Assign atomically a value to an integer or logical variable.

Syntax:

  `void _gfortran_caf_atomic_define (caf_token_t token, size_t offset, int image_index, void *value, int *stat, int type, int kind)`

Arguments:

  token | intent(in) An opaque pointer identifying the coarray.
  offset | intent(in) By which amount of bytes the actual data is shifted compared to the base address of the coarray.
  image_index | intent(in) The ID of the remote image; must be a positive number; zero indicates the current image when used noncoindexed.
  value | intent(in) the value to be assigned, passed by reference
  stat | intent(out) Stores the status STAT= and may be NULL.
  type | intent(in) The data type, i.e. `BT_INTEGER` (1) or `BT_LOGICAL` (2).
  kind | intent(in) The kind value (only 4; always `int`)