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Diffstat (limited to 'pki/base/osutil/src/com/netscape/osutil/LibC.c')
-rw-r--r--pki/base/osutil/src/com/netscape/osutil/LibC.c82
1 files changed, 82 insertions, 0 deletions
diff --git a/pki/base/osutil/src/com/netscape/osutil/LibC.c b/pki/base/osutil/src/com/netscape/osutil/LibC.c
new file mode 100644
index 000000000..238f9d149
--- /dev/null
+++ b/pki/base/osutil/src/com/netscape/osutil/LibC.c
@@ -0,0 +1,82 @@
+// --- 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;
+ }
+}
+