GNU Fortran 7
GNU Fortran 7
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8.2.31. _gfortran_caf_atomic_op

8.2.31 _gfortran_caf_atomic_op — Atomic operation

Description:

Apply an operation atomically to an atomic integer or logical variable. After the operation, old contains the value just before the operation, which, respectively, adds (GFC_CAF_ATOMIC_ADD) atomically the value to the atomic integer variable or does a bitwise AND, OR or exclusive OR between the atomic variable and value; the result is then stored in the atomic variable.

Syntax:

void _gfortran_caf_atomic_op (int op, caf_token_t token, size_t offset, int image_index, void *value, void *old, int *stat, int type, int kind)

Arguments:
op intent(in) the operation to be p