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