diff options
Diffstat (limited to 'pki/base/osutil/src/com/netscape/osutil/LibC.c')
-rw-r--r-- | pki/base/osutil/src/com/netscape/osutil/LibC.c | 82 |
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; + } +} + |