void portals_free(Portals *portals) {
if (portals != NULL ) {
portal_free(portals->bleu);
portal_free(portals->orange);
free(portals);
}
}
/**
* private static native void getLinks0(Link[] linkarray);
*/
KNIEXPORT KNI_RETURNTYPE_VOID
Java_com_sun_midp_links_LinkPortal_getLinks0(void)
{
int targetIsolate;
jsize len;
int i;
KNI_StartHandles(2);
KNI_DeclareHandle(linkArray);
KNI_DeclareHandle(linkObj);
targetIsolate = JVM_CurrentIsolateID();
KNI_GetParameterAsObject(1, linkArray);
len = KNI_GetArrayLength(linkArray);
if (portals != NULL) {
if (portals[targetIsolate].count > 0) {
rendezvous **rpp = portals[targetIsolate].rppa;
for (i = 0; i < len; i++) {
KNI_GetObjectArrayElement(linkArray, i, linkObj);
setNativePointer(linkObj, rpp[i]);
rp_incref(rpp[i]);
}
}
portal_free(&portals[targetIsolate]);
}
KNI_EndHandles();
KNI_ReturnVoid();
}
/**
* Shutdowns Links subsystem.
*/
void midp_links_shutdown() {
if (portals != NULL) {
int i;
for (i = 0; i < JVM_MaxIsolates(); i++) {
portal_free(&portals[i]);
}
pcsl_mem_free(portals);
portals = NULL;
}
}
/**
* private static native void setLinks0(int isolateid, Link[] linkarray);
*/
KNIEXPORT KNI_RETURNTYPE_VOID
Java_com_sun_midp_links_LinkPortal_setLinks0(void)
{
int targetIsolate;
int len;
int i;
int ok = 1;
rendezvous *rp;
rendezvous **newrppa = NULL;
KNI_StartHandles(2);
KNI_DeclareHandle(linkArray);
KNI_DeclareHandle(linkObj);
targetIsolate = KNI_GetParameterAsInt(1);
KNI_GetParameterAsObject(2, linkArray);
if (KNI_IsNullHandle(linkArray)) {
len = 0;
} else {
len = KNI_GetArrayLength(linkArray);
}
for (i = 0; i < len; i++) {
KNI_GetObjectArrayElement(linkArray, i, linkObj);
rp = getNativePointer(linkObj);
if (rp == NULL || rp->state == CLOSED) {
ok = 0;
KNI_ThrowNew(midpIllegalArgumentException, NULL);
break;
}
}
if (ok && portals == NULL) {
portals =
(portal *)pcsl_mem_malloc(JVM_MaxIsolates() * sizeof(portal));
if (portals == NULL) {
ok = 0;
KNI_ThrowNew(midpOutOfMemoryError, NULL);
} else {
int i;
for (i = 0; i < JVM_MaxIsolates(); i++) {
portals[i].count = -1;
portals[i].rppa = NULL;
}
}
}
if (ok && len > 0) {
newrppa = (rendezvous **)pcsl_mem_malloc(len * sizeof(rendezvous *));
if (newrppa == NULL) {
KNI_ThrowNew(midpOutOfMemoryError, NULL);
ok = 0;
}
}
if (ok) {
portal *pp = &portals[targetIsolate];
portal_free(pp);
/* at this point the portal's count is zero and rppa is null */
if (len > 0) {
for (i = 0; i < len; i++) {
KNI_GetObjectArrayElement(linkArray, i, linkObj);
rp = getNativePointer(linkObj);
/* rp not null, checked above */
newrppa[i] = rp;
rp_incref(rp);
}
pp->count = len;
pp->rppa = newrppa;
} else if (KNI_IsNullHandle(linkArray)) {
pp->count = -1;
pp->rppa = NULL;
} else {
/* len == 0 */
pp->count = 0;
pp->rppa = NULL;
}
midp_thread_signal(LINK_PORTAL_SIGNAL, targetIsolate, 0);
}
KNI_EndHandles();
KNI_ReturnVoid();
}