jdk/src/share/transport/shmem/sysShmem.h
author jjg
Fri, 21 May 2010 17:32:19 -0700
changeset 5652 89482b760ef7
parent 2 90ce3da70b43
child 5506 202f599c92aa
permissions -rw-r--r--
6954901: langtools/test/Makefile should check for bin/javac(.exe) instead of lib/tools.jar Reviewed-by: ohair

/*
 * Copyright 1999-2003 Sun Microsystems, Inc.  All Rights Reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Sun designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Sun in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
 * CA 95054 USA or visit www.sun.com if you need additional information or
 * have any questions.
 */
#ifndef _JAVASOFT_SYSSHMEM_H

#include <jni.h>
#include "sys.h"
#include "shmem_md.h"

int sysSharedMemCreate(const char *name, int length, sys_shmem_t *, void **buffer);
int sysSharedMemOpen(const char *name,  sys_shmem_t *, void **buffer);
int sysSharedMemClose(sys_shmem_t, void *buffer);

/* Mutexes that can be used for inter-process communication */
int sysIPMutexCreate(const char *name, sys_ipmutex_t *mutex);
int sysIPMutexOpen(const char *name, sys_ipmutex_t *mutex);
int sysIPMutexEnter(sys_ipmutex_t mutex, sys_event_t event);
int sysIPMutexExit(sys_ipmutex_t mutex);
int sysIPMutexClose(sys_ipmutex_t mutex);

/* Inter-process events */
int sysEventCreate(const char *name, sys_event_t *event, jboolean manualreset);
int sysEventOpen(const char *name, sys_event_t *event);
int sysEventWait(sys_process_t otherProcess, sys_event_t event, long timeout);
int sysEventSignal(sys_event_t event);
int sysEventClose(sys_event_t event);

jlong sysProcessGetID();
int sysProcessOpen(jlong processID, sys_process_t *process);
int sysProcessClose(sys_process_t *process);

/* access to errno or equivalent */
int sysGetLastError(char *buf, int size);

/* access to thread-local storage */
int sysTlsAlloc();
void sysTlsFree(int index);
void sysTlsPut(int index, void *value);
void *sysTlsGet(int index);

/* misc. functions */
void sysSleep(long duration);

#endif