int
virNWFilterLockIface(const char *ifname) {
virNWFilterIfaceLockPtr ifaceLock;
virMutexLock(&ifaceMapLock);
ifaceLock = virHashLookup(ifaceLockMap, ifname);
if (!ifaceLock) {
if (VIR_ALLOC(ifaceLock) < 0) {
virReportOOMError();
goto err_exit;
}
if (virMutexInitRecursive(&ifaceLock->lock) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("mutex initialization failed"));
VIR_FREE(ifaceLock);
goto err_exit;
}
if (virStrcpyStatic(ifaceLock->ifname, ifname) == NULL) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("interface name %s does not fit into "
"buffer "),
ifaceLock->ifname);
VIR_FREE(ifaceLock);
goto err_exit;
}
while (virHashAddEntry(ifaceLockMap, ifname, ifaceLock)) {
VIR_FREE(ifaceLock);
goto err_exit;
}
ifaceLock->refctr = 0;
}
ifaceLock->refctr++;
virMutexUnlock(&ifaceMapLock);
virMutexLock(&ifaceLock->lock);
return 0;
err_exit:
virMutexUnlock(&ifaceMapLock);
return -1;
}
int virNWFilterTechDriversInit(bool privileged)
{
size_t i = 0;
VIR_DEBUG("Initializing NWFilter technology drivers");
if (virMutexInitRecursive(&updateMutex) < 0)
return -1;
while (filter_tech_drivers[i]) {
if (!(filter_tech_drivers[i]->flags & TECHDRV_FLAG_INITIALIZED))
filter_tech_drivers[i]->init(privileged);
i++;
}
return 0;
}
static virNWFilterObjPtr
virNWFilterObjNew(void)
{
virNWFilterObjPtr obj;
if (VIR_ALLOC(obj) < 0)
return NULL;
if (virMutexInitRecursive(&obj->lock) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR,
"%s", _("cannot initialize mutex"));
VIR_FREE(obj);
return NULL;
}
virNWFilterObjLock(obj);
return obj;
}
int virMutexInit(virMutexPtr m)
{
return virMutexInitRecursive(m);
}