69 lines
987 B
C
69 lines
987 B
C
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#ifndef NULLSOFT_UTILITY_RENTRYH
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#define NULLSOFT_UTILITY_RENTRYH
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#include <string>
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namespace Nullsoft
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{
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namespace Utility
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{
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class ReEntryGuard
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{
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public:
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ReEntryGuard() : entered(false)
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{}
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bool FunctionCall(std::string funcName = "Unknown")
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{
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if (entered)
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{
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char errorMsg[256];
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sprintf(errorMsg, "%s branched to %s", firstFunc.c_str(), funcName.c_str());
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::MessageBox(NULL, errorMsg, "Class ReEntry error", MB_OK);
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return false;
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}
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else
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{
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firstFunc = funcName;
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entered = true;
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return true;
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}
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}
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void LeaveFunction()
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{
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entered = false;
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firstFunc = "";
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}
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private:
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bool entered;
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std::string firstFunc;
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};
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class ReEntry
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{
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public:
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ReEntry(ReEntryGuard &_entry, std::string funcName = "Unknown") : entry(&_entry)
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{
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entry->FunctionCall(funcName);
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}
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~ReEntry()
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{
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entry->LeaveFunction();
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}
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private:
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ReEntryGuard *entry;
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};
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}
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}
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#endif
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