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Set XPRS_CALLBACKFROMMAINTHREAD when adding a callback #314

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Merged
odow merged 1 commit into from
Apr 22, 2026
Merged

Set XPRS_CALLBACKFROMMAINTHREAD when adding a callback #314

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3 changes: 3 additions & 0 deletions src/MOI/MOI_callbacks.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -55,6 +55,9 @@ function MOI.set(model::Optimizer, ::CallbackFunction, f::Function)
cb = @cfunction(_cboptnode, Cint, (XPRSprob, Ptr{Cvoid}, Ptr{Cint}))
ret = XPRSaddcboptnode(model, cb, model.callback_data, 0)
_check(model, ret)
# Disable calling the callback from anything other than the main thread
ret = XPRSsetintcontrol(model, XPRS_CALLBACKFROMMAINTHREAD, 1)
_check(model, ret)
return
end

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7 changes: 0 additions & 7 deletions src/MOI/MOI_wrapper.jl
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Expand Up @@ -348,13 +348,6 @@ function MOI.empty!(model::Optimizer)
MOI.set(model, name, value)
end
MOI.set(model, MOI.RawOptimizerAttribute("MPSNAMELENGTH"), 64)
callback_main_thread = if get_version() >= v"46"
"CALLBACKFROMMAINTHREAD"
else
# Kept for compatibility with older versions
"CALLBACKFROMMASTERTHREAD"
end
MOI.set(model, MOI.RawOptimizerAttribute(callback_main_thread), 1)
MOI.set(
model,
MOI.RawOptimizerAttribute("XPRESS_WARNING_WINDOWS"),
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