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Outline error path #939

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Outline error path #939

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13 changes: 12 additions & 1 deletion src/api/api.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -122,6 +122,11 @@ function Base.show(io::IO, err::FeatureLevelError)
print(io, "FeatureLevelError($(err.function_name)): Minimum MPI version is $(err.min_version)")
end

@noinline function mpi_error(err)
throw(MPIError(err))
end


macro mpichk(expr, min_version=nothing)
if !isnothing(min_version) && expr.args[2].head == :tuple
fn = expr.args[2].args[1].value
Expand All @@ -134,7 +139,13 @@ macro mpichk(expr, min_version=nothing)

expr = macroexpand(@__MODULE__, :(@mpicall($expr)))
# MPI_SUCCESS is defined to be 0
:((errcode = $(esc(expr))) == 0 || throw(MPIError(errcode)))
quote
errcode = $(esc(expr))
if errcode != 0
$mpi_error(errcode)
end
nothing
end
end


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