Kaydet (Commit) efafb64c authored tarafından Vladimir Glazounov's avatar Vladimir Glazounov

INTEGRATION: CWS sb8 (1.1.2); FILE ADDED

2003/10/06 11:23:05 sb 1.1.2.2: #112127# Disambiguated ?: argument types.
2003/10/06 08:43:39 sb 1.1.2.1: #112127# Native implementation of Java NativeThreadPool.
üst b23c7be5
/*************************************************************************
*
* $RCSfile: nativethreadpool.cxx,v $
*
* $Revision: 1.2 $
*
* last change: $Author: vg $ $Date: 2003-10-09 10:20:05 $
*
* The Contents of this file are made available subject to the terms of
* either of the following licenses
*
* - GNU Lesser General Public License Version 2.1
* - Sun Industry Standards Source License Version 1.1
*
* Sun Microsystems Inc., October, 2000
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2000 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*
* Sun Industry Standards Source License Version 1.1
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.1 (the "License"); You may not use this file
* except in compliance with the License. You may obtain a copy of the
* License at http://www.openoffice.org/license.html.
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2000 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
* Contributor(s): _______________________________________
*
*
************************************************************************/
#include "jvmaccess/virtualmachine.hxx"
#include "rtl/byteseq.h"
#include "rtl/byteseq.hxx"
#include "rtl/memory.h"
#include "rtl/ref.hxx"
#include "sal/types.h"
#include "uno/threadpool.h"
#include "jni.h"
#include <new>
/* The native implementation part of
* jurt/com/sun/star/lib/uno/environments/remote/NativeThreadPool.java.
*/
namespace {
struct Pool {
Pool(rtl::Reference< jvmaccess::VirtualMachine > const & theVirtualMachine,
jmethodID theExecute, uno_ThreadPool thePool):
virtualMachine(theVirtualMachine), execute(theExecute), pool(thePool) {}
rtl::Reference< jvmaccess::VirtualMachine > virtualMachine;
jmethodID execute;
uno_ThreadPool pool;
};
struct Job {
Job(Pool * thePool, jobject theJob): pool(thePool), job(theJob) {}
Pool * pool;
jobject job;
};
void throwOutOfMemory(JNIEnv * env) {
jclass c = env->FindClass("java/lang/OutOfMemoryError");
if (c != 0) {
env->ThrowNew(c, "");
}
}
}
extern "C" {
static void SAL_CALL executeRequest(void * data) {
Job * job = static_cast< Job * >(data);
try {
jvmaccess::VirtualMachine::AttachGuard guard(job->pool->virtualMachine);
JNIEnv * env = guard.getEnvironment();
// Failure of the following Job.execute Java call is ignored; if that
// call fails, it should be due to a java.lang.Error, which is not
// handled well, anyway:
env->CallObjectMethod(job->job, job->pool->execute);
env->DeleteGlobalRef(job->job);
delete job;
} catch (jvmaccess::VirtualMachine::AttachGuard::CreationException & e) {
//TODO: DeleteGlobalRef(job->job)
delete job;
}
}
}
extern "C" JNIEXPORT jbyteArray JNICALL
Java_com_sun_star_lib_uno_environments_remote_NativeThreadPool_threadId(
JNIEnv * env, jclass) SAL_THROW_EXTERN_C()
{
sal_Sequence * s = 0;
uno_getIdOfCurrentThread(&s); //TODO: out of memory
uno_releaseIdFromCurrentThread();
rtl::ByteSequence seq(s);
rtl_byte_sequence_release(s);
sal_Int32 n = seq.getLength();
jbyteArray a = env->NewByteArray(n);
// sal_Int32 and jsize are compatible here
if (a == 0) {
return 0;
}
void * p = env->GetPrimitiveArrayCritical(a, 0);
if (p == 0) {
return 0;
}
rtl_copyMemory(p, seq.getConstArray(), n);
// sal_Int8 and jbyte ought to be compatible
env->ReleasePrimitiveArrayCritical(a, p, 0);
return a;
}
extern "C" JNIEXPORT jlong JNICALL
Java_com_sun_star_lib_uno_environments_remote_NativeThreadPool_create(
JNIEnv * env, jclass) SAL_THROW_EXTERN_C()
{
JavaVM * vm;
if (env->GetJavaVM(&vm) != JNI_OK) { //TODO: no Java exception raised?
jclass c = env->FindClass("java/lang/RuntimeException");
if (c != 0) {
env->ThrowNew(c, "JNI GetJavaVM failed");
}
return 0;
}
jclass c = env->FindClass("com/sun/star/lib/uno/environments/remote/Job");
if (c == 0) {
return 0;
}
jmethodID execute = env->GetMethodID(c, "execute", "()Ljava/lang/Object;");
if (execute == 0) {
return 0;
}
try {
return reinterpret_cast< jlong >(new Pool(
new jvmaccess::VirtualMachine(vm, env->GetVersion(), false, env),
execute, uno_threadpool_create()));
} catch (std::bad_alloc) {
throwOutOfMemory(env);
return 0;
}
}
extern "C" JNIEXPORT void JNICALL
Java_com_sun_star_lib_uno_environments_remote_NativeThreadPool_attach(
JNIEnv *, jclass, jlong pool) SAL_THROW_EXTERN_C()
{
uno_threadpool_attach(reinterpret_cast< Pool * >(pool)->pool);
}
extern "C" JNIEXPORT jobject JNICALL
Java_com_sun_star_lib_uno_environments_remote_NativeThreadPool_enter(
JNIEnv * env, jclass, jlong pool) SAL_THROW_EXTERN_C()
{
jobject job;
uno_threadpool_enter(
reinterpret_cast< Pool * >(pool)->pool,
reinterpret_cast< void ** >(&job));
if (job == 0) {
return 0;
}
jobject ref = env->NewLocalRef(job);
env->DeleteGlobalRef(job);
return ref;
}
extern "C" JNIEXPORT void JNICALL
Java_com_sun_star_lib_uno_environments_remote_NativeThreadPool_detach(
JNIEnv *, jclass, jlong pool) SAL_THROW_EXTERN_C()
{
uno_threadpool_detach(reinterpret_cast< Pool * >(pool)->pool);
}
extern "C" JNIEXPORT void JNICALL
Java_com_sun_star_lib_uno_environments_remote_NativeThreadPool_putJob(
JNIEnv * env, jclass, jlong pool, jbyteArray threadId, jobject job,
jboolean request, jboolean oneWay) SAL_THROW_EXTERN_C()
{
void * s = env->GetPrimitiveArrayCritical(threadId, 0);
if (s == 0) {
return;
}
rtl::ByteSequence seq(
static_cast< sal_Int8 * >(s), env->GetArrayLength(threadId));
// sal_Int8 and jbyte ought to be compatible; sal_Int32 and jsize are
// compatible here
//TODO: out of memory
env->ReleasePrimitiveArrayCritical(threadId, s, JNI_ABORT);
Pool * p = reinterpret_cast< Pool * >(pool);
jobject ref = env->NewGlobalRef(job);
if (ref == 0) {
return;
}
Job * j = 0;
if (request) {
j = new(std::nothrow) Job(p, ref);
if (j == 0) {
env->DeleteGlobalRef(ref);
throwOutOfMemory(env);
return;
}
}
uno_threadpool_putJob(
p->pool, seq.getHandle(),
request ? static_cast< void * >(j) : static_cast< void * >(ref),
request ? executeRequest : 0, oneWay);
}
extern "C" JNIEXPORT void JNICALL
Java_com_sun_star_lib_uno_environments_remote_NativeThreadPool_dispose(
JNIEnv *, jclass, jlong pool) SAL_THROW_EXTERN_C()
{
uno_threadpool_dispose(reinterpret_cast< Pool * >(pool)->pool);
}
extern "C" JNIEXPORT void JNICALL
Java_com_sun_star_lib_uno_environments_remote_NativeThreadPool_destroy(
JNIEnv *, jclass, jlong pool) SAL_THROW_EXTERN_C()
{
Pool * p = reinterpret_cast< Pool * >(pool);
uno_threadpool_destroy(p->pool);
delete p;
}
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