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Patch functions while holding the lock

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Maschell 2026-05-04 18:57:49 +02:00
parent 795dfd6ca1
commit 8a8725e6f9
1 changed files with 13 additions and 14 deletions
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27
source/export.cpp
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@ -38,22 +38,21 @@ FunctionPatcherStatus FPAddFunctionPatch(function_replacement_data_t *function_d
return FUNCTION_PATCHER_RESULT_UNKNOWN_ERROR;
}
auto &functionData = functionDataOpt.value();
// PatchFunction calls OSFatal on fatal errors.
// If this function returns false the target function was not patched
// Usually this means the target RPL is not (yet) loaded.
auto patchResult = PatchFunction(functionData);
if (outHasBeenPatched) {
*outHasBeenPatched = patchResult;
}
if (outHandle) {
*outHandle = functionData->getHandle();
}
{
std::lock_guard lock(gPatchedFunctionsMutex);
auto &functionData = functionDataOpt.value();
// PatchFunction calls OSFatal on fatal errors.
// If this function returns false the target function was not patched
// Usually this means the target RPL is not (yet) loaded.
auto patchResult = PatchFunction(functionData);
if (outHasBeenPatched) {
*outHasBeenPatched = patchResult;
}
if (outHandle) {
*outHandle = functionData->getHandle();
}
gPatchedFunctions.push_back(std::move(functionData));
OSMemoryBarrier();