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Appose: multi-language interprocess cooperation with shared memory.

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/*-
 * #%L
 * Appose: multi-language interprocess cooperation with shared memory.
 * %%
 * Copyright (C) 2023 - 2024 Appose developers.
 * %%
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * 
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 * #L%
 */
package org.apposed.appose.shm;

import com.sun.jna.Library;
import com.sun.jna.Native;
import com.sun.jna.Pointer;

interface CLibrary extends Library {
  CLibrary INSTANCE = Native.load("c", CLibrary.class);

  int shm_open(String name, int oflag, int mode);
  int ftruncate(int fd, int length);
  Pointer mmap(Pointer addr, int length, int prot, int flags, int fd, int offset);
  int munmap(Pointer addr, int length);
  int close(int fd);
  int shm_unlink(String name);

  int SEEK_SET = 0;
  int SEEK_CUR = 1;
  int SEEK_END = 2;
  long lseek(int fd, long offset, int whence);
}