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// --- BEGIN COPYRIGHT BLOCK ---
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; version 2 of the License.
//
// This program 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 for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
// (C) 2007 Red Hat, Inc.
// All rights reserved.
// --- END COPYRIGHT BLOCK ---
#include <jni.h>
#include "com_netscape_osutil_LibC.h"
#include "unixdefs.h"
#include <sys/types.h>
#include <unistd.h>
#include <stdlib.h>
/*
* Class: com_netscape_osutil_LibC
* Method: getpid
* Signature: ()I
*
* Return the current pid
*/
JNIEXPORT jint JNICALL
Java_com_netscape_osutil_LibC_getpid(JNIEnv *env, jclass cls)
{
return getpid();
}
/*
* Class: com_netscape_osutil_LibC
* Method: getppid
* Signature: ()I
*
* Return the parent pid
*/
JNIEXPORT jint JNICALL
Java_com_netscape_osutil_LibC_getppid(JNIEnv *env, jclass cls)
{
return getppid();
}
/*
* Class: com_netscape_osutil_LibC
* Method: setpgrp
* Signature: ()I
*
* Change the current process group and disconnect from the tty
*/
JNIEXPORT jint JNICALL
Java_com_netscape_osutil_LibC_detach(JNIEnv *env, jclass cls)
{
int sid, pid;
pid = fork();
if (pid != 0) {
if (pid > 0) {
exit(0);
} else {
/* Adding perror here might be helpful */
unix_throw_exception(env, RUNTIME, "can't fork");
return -1;
}
} else {
sid = setsid();
if (sid < 0) {
unix_throw_exception(env, SECURITY, "permission denied");
}
return sid;
}
}
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