8.2.30. _gfortran_caf_atomic_cas
8.2.30 _gfortran_caf_atomic_cas — Atomic compare and swap
- Description:
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Atomic compare and swap of a kind-4 integer or logical variable. Assigns atomically the specified value to the atomic variable, if the latter has the value specified by the passed condition value.
- Syntax:
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void _gfortran_caf_atomic_cas (caf_token_t token, size_t offset, int image_index, void *old, void *compare, void *new_val, int *stat, int type, int kind) - Arguments:
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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 addr