diff options
Diffstat (limited to 'java')
| -rw-r--r-- | java/com/redhat/et/libguestfs/GuestFS.java | 21 | ||||
| -rw-r--r-- | java/com_redhat_et_libguestfs_GuestFS.c | 14 |
2 files changed, 35 insertions, 0 deletions
diff --git a/java/com/redhat/et/libguestfs/GuestFS.java b/java/com/redhat/et/libguestfs/GuestFS.java index f56ae415..5ae2b106 100644 --- a/java/com/redhat/et/libguestfs/GuestFS.java +++ b/java/com/redhat/et/libguestfs/GuestFS.java @@ -2536,4 +2536,25 @@ public class GuestFS { private native String _dmesg (long g) throws LibGuestFSException; + /** + * ping the guest daemon + * + * This is a test probe into the guestfs daemon running + * inside the qemu subprocess. Calling this function checks + * that the daemon responds to the ping message, without + * affecting the daemon or attached block device(s) in any + * other way. + * + * @throws LibGuestFSException + */ + public void ping_daemon () + throws LibGuestFSException + { + if (g == 0) + throw new LibGuestFSException ("ping_daemon: handle is closed"); + _ping_daemon (g); + } + private native void _ping_daemon (long g) + throws LibGuestFSException; + } diff --git a/java/com_redhat_et_libguestfs_GuestFS.c b/java/com_redhat_et_libguestfs_GuestFS.c index 323402d8..b689a6c4 100644 --- a/java/com_redhat_et_libguestfs_GuestFS.c +++ b/java/com_redhat_et_libguestfs_GuestFS.c @@ -2551,3 +2551,17 @@ Java_com_redhat_et_libguestfs_GuestFS__1dmesg return jr; } +JNIEXPORT void JNICALL +Java_com_redhat_et_libguestfs_GuestFS__1ping_1daemon + (JNIEnv *env, jobject obj, jlong jg) +{ + guestfs_h *g = (guestfs_h *) (long) jg; + int r; + + r = guestfs_ping_daemon (g); + if (r == -1) { + throw_exception (env, guestfs_last_error (g)); + return ; + } +} + |