/* lock_comm()
* Sets the MD_CLUSTER_SEND_LOCK bit to lock the send channel.
*/
static int lock_comm(struct md_cluster_info *cinfo)
{
wait_event(cinfo->wait,
!test_and_set_bit(MD_CLUSTER_SEND_LOCK, &cinfo->state));
return lock_token(cinfo);
}
void
StateReporter::setPath(jstring jpath, jlong jrevision, jobject jdepth,
jboolean jstart_empty, jstring jlock_token)
{
//DEBUG:fprintf(stderr, " (n) StateReporter::setPath()\n");
if (!m_valid) { throw_reporter_inactive(); return; }
JNIStringHolder lock_token(jlock_token);
if (JNIUtil::isJavaExceptionThrown())
return;
SVN::Pool subPool(pool);
Relpath path(jpath, subPool);
if (JNIUtil::isJavaExceptionThrown())
return;
svn_depth_t depth = EnumMapper::toDepth(jdepth);
if (JNIUtil::isJavaExceptionThrown())
return;
SVN_JNI_ERR(m_raw_reporter->set_path(m_report_baton, path.c_str(),
svn_revnum_t(jrevision), depth,
bool(jstart_empty), lock_token.c_str(),
subPool.getPool()),);
}
/*
* Check if the communication is already locked, else lock the communication
* channel.
* If it is already locked, token is in EX mode, and hence lock_token()
* should not be called.
*/
static int metadata_update_start(struct mddev *mddev)
{
struct md_cluster_info *cinfo = mddev->cluster_info;
wait_event(cinfo->wait,
!test_and_set_bit(MD_CLUSTER_SEND_LOCK, &cinfo->state) ||
test_and_clear_bit(MD_CLUSTER_SEND_LOCKED_ALREADY, &cinfo->state));
/* If token is already locked, return 0 */
if (cinfo->token_lockres->mode == DLM_LOCK_EX)
return 0;
return lock_token(cinfo);
}
