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Improve detection and handling of orphaned coroutine threads.

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This commit is contained in:
James Roseborough
2012-01-23 17:17:17 +00:00
parent c46ee6b9bd
commit f283aae6a8
1 changed files with 6 additions and 14 deletions
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20
src/core/org/luaj/vm2/lib/BaseLib.java
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@@ -24,7 +24,6 @@ package org.luaj.vm2.lib;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintStream;
import java.lang.ref.WeakReference;
import org.luaj.vm2.LoadState;
import org.luaj.vm2.Lua;
@@ -359,24 +358,17 @@ public class BaseLib extends OneArgFunction implements ResourceFinder {
}
public static Varargs pcall(LuaValue func, Varargs args, LuaValue errfunc) {
LuaValue olderr = LuaThread.setErrorFunc(errfunc);
try {
if (errfunc == null) {
return varargsOf(LuaValue.TRUE, func.invoke(args));
} else {
LuaValue preverr = LuaThread.setErrorFunc(errfunc);
WeakReference ref = new WeakReference(LuaThread.getRunning());
try {
return varargsOf(LuaValue.TRUE, func.invoke(args));
} finally {
LuaThread lt = (LuaThread) ref.get();
if (lt != null)
lt.err = preverr;
}
}
Varargs result = varargsOf(LuaValue.TRUE, func.invoke(args));
LuaThread.setErrorFunc(olderr);
return result;
} catch ( LuaError le ) {
LuaThread.setErrorFunc(olderr);
String m = le.getMessage();
return varargsOf(FALSE, m!=null? valueOf(m): NIL);
} catch ( Exception e ) {
LuaThread.setErrorFunc(olderr);
String m = e.getMessage();
return varargsOf(FALSE, valueOf(m!=null? m: e.toString()));
}