vespajlib/src/main/java/com/yahoo/nativec/MallInfo2.java


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package com.yahoo.nativec;

import com.sun.jna.Structure;

public class MallInfo2 {
    private final static Throwable initException = NativeC.loadLibrary(MallInfo2.class);
    public static Throwable init() {
        return initException;
    }
    // Equivalent JNA mapping
    private static class MallInfo2Struct extends Structure {
        public static class ByValue extends MallInfo2Struct implements Structure.ByValue { }
        public long arena;     /* Non-mmapped space allocated (bytes) */
        public long ordblks;   /* Number of free chunks */
        public long smblks;    /* Number of free fastbin blocks */
        public long hblks;     /* Number of mmapped regions */
        public long hblkhd;    /* Space allocated in mmapped regions (bytes) */
        public long usmblks;   /* See below */
        public long fsmblks;   /* Space in freed fastbin blocks (bytes) */
        public long uordblks;  /* Total allocated space (bytes) */
        public long fordblks;  /* Total free space (bytes) */
        public long keepcost;  /* Top-most, releasable space (bytes) */
    }
    private static native MallInfo2Struct.ByValue mallinfo2();
    public MallInfo2() {
        mallinfo = mallinfo2();
    }
    private final MallInfo2Struct mallinfo;
}