60d29bfb46
When passing a refnum across the language barrier there is a small window where a proxy object itself can be garbage collected, its reference count go to 0 and the object be gone when the refnum is dereferenced on the other side. In Go the proxy object is pinned with runtime.KeepAlive. This CL implements the same mechanism in Java by passing the proxy object to native code, ensuring the Java GC can't reclaim it during the call. Change-Id: I23824439012eb00f90d729f59d4846999f24f01f Reviewed-on: https://go-review.googlesource.com/107095 Reviewed-by: Hyang-Ah Hana Kim <hyangah@gmail.com>
52 lines
1.2 KiB
Plaintext
52 lines
1.2 KiB
Plaintext
// Java class go.error is a proxy for talking to a Go program.
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// gobind -lang=java
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//
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// File is generated by gobind. Do not edit.
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package go;
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import go.Seq;
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public interface error {
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public String error();
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}
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// Java class go.Universe is a proxy for talking to a Go program.
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// gobind -lang=java
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//
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// File is generated by gobind. Do not edit.
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package go;
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import go.Seq;
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public abstract class Universe {
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static {
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Seq.touch(); // for loading the native library
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_init();
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}
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private Universe() {} // uninstantiable
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// touch is called from other bound packages to initialize this package
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public static void touch() {}
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private static native void _init();
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private static final class proxyerror extends Exception implements Seq.Proxy, error {
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private final int refnum;
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@Override public final int incRefnum() {
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Seq.incGoRef(refnum, this);
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return refnum;
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}
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proxyerror(int refnum) { this.refnum = refnum; Seq.trackGoRef(refnum, this); }
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@Override public String getMessage() { return error(); }
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public native String error();
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}
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}
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