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/*******************************************************************************
* Copyright (c) 2002 - 2005 QNX Software Systems and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* QNX Software Systems - initial API and implementation
*******************************************************************************/
#include <jni.h>
#include <stdio.h>
#include <SpawnerInputStream.h>
#include <SpawnerOutputStream.h>
#include <unistd.h>
#define INT_MAX 2147483647
JNIEXPORT jint JNICALL JVM_Available(jint fd, jlong *pbytes);
/* Header for class _org_eclipse_cdt_utils_spawner_SpawnerInputStream */
/* Header for class _org_eclipse_cdt_utils_spawner_SpawnerOutputStream */
/*
* Class: org_eclipse_cdt_utils_spawner_SpawnerInputStream
* Method: read0
* Signature: (I)I
*/
JNIEXPORT jint JNICALL
Java_org_eclipse_cdt_utils_spawner_SpawnerInputStream_read0(JNIEnv * env,
jobject jobj,
jint jfd,
jbyteArray buf,
jint buf_len)
{
int fd;
int status;
jbyte *data;
int data_len;
data = (*env)->GetByteArrayElements(env, buf, 0);
data_len = buf_len;
fd = jfd;
status = read( fd, data, data_len );
(*env)->ReleaseByteArrayElements(env, buf, data, 0);
if (status == 0) {
/* EOF. */
status = -1;
} else if (status == -1) {
/* Error, toss an exception */
jclass exception = (*env)->FindClass(env, "java/io/IOException");
if (exception == NULL) {
/* Give up. */
return -1;
}
(*env)->ThrowNew(env, exception, "read error");
}
return status;
}
/*
* Class: org_eclipse_cdt_utils_spawner_SpawnerInputStream
* Method: close0
* Signature: (I)I
*/
JNIEXPORT jint JNICALL
Java_org_eclipse_cdt_utils_spawner_SpawnerInputStream_close0(JNIEnv * env,
jobject jobj,
jint fd)
{
return close(fd);
}
JNIEXPORT jint JNICALL
Java_org_eclipse_cdt_utils_spawner_SpawnerInputStream_available0(JNIEnv * env,
jobject jobj,
jint fd)
{
jlong ret;
if (JVM_Available(fd, &ret)) {
if (ret > INT_MAX) {
ret = (jlong) INT_MAX;
}
return (jint)ret;
}
/* Error, toss an exception */
jclass exception = (*env)->FindClass(env, "java/io/IOException");
if (exception == NULL) {
/* Give up. */
return -1;
}
(*env)->ThrowNew(env, exception, NULL);
return 0;
}
/*
* Class: org_eclipse_cdt_utils_spawner_SpawnerOutputStream
* Method: write0
* Signature: (II)I
*/
JNIEXPORT jint JNICALL
Java_org_eclipse_cdt_utils_spawner_SpawnerOutputStream_write0(JNIEnv * env,
jobject jobj,
jint jfd,
jbyteArray buf,
jint buf_len)
{
int status;
int fd;
jbyte *data;
int data_len;
data = (*env)->GetByteArrayElements(env, buf, 0);
data_len = buf_len;
fd = jfd;
status = write(fd, data, data_len);
(*env)->ReleaseByteArrayElements(env, buf, data, 0);
return status;
}
/*
* Class: org_eclipse_cdt_utils_spawner_SpawnerOutputStream
* Method: close0
* Signature: (I)I
*/
JNIEXPORT jint JNICALL
Java_org_eclipse_cdt_utils_spawner_SpawnerOutputStream_close0(JNIEnv * env,
jobject jobj,
jint fd)
{
return close(fd);
}
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