acadia/zion/capability/capability_table.cpp

42 lines
1.0 KiB
C++

#include "capability/capability_table.h"
CapabilityTable::CapabilityTable() {}
uint64_t CapabilityTable::AddExistingCapability(const RefPtr<Capability>& cap) {
MutexHolder h(lock_);
cap->set_id(next_cap_id_++);
capabilities_.PushBack(cap);
return cap->id();
}
RefPtr<Capability> CapabilityTable::GetCapability(uint64_t id) {
MutexHolder h(lock_);
auto iter = capabilities_.begin();
while (iter != capabilities_.end()) {
if (*iter && (*iter)->id() == id) {
return *iter;
}
++iter;
}
dbgln("Bad cap access %u", id);
dbgln("Num caps: %u", capabilities_.size());
return {};
}
RefPtr<Capability> CapabilityTable::ReleaseCapability(uint64_t id) {
MutexHolder h(lock_);
auto iter = capabilities_.begin();
while (iter != capabilities_.end()) {
if (*iter && (*iter)->id() == id) {
// FIXME: Do an actual release here.
auto cap = *iter;
*iter = {nullptr};
return cap;
}
++iter;
}
dbgln("Bad cap release: %u", id);
dbgln("Num caps: %u", capabilities_.size());
return {};
}