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kernel: Optimize GetHostThreadID

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This commit is contained in:
BreadFish64 2021-08-15 15:30:56 -05:00
parent 87d63b858a
commit 14e93f133a
1 changed files with 13 additions and 10 deletions
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23
src/core/hle/kernel/kernel.cpp
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@ -267,20 +267,23 @@ struct KernelCore::Impl {
}
}
/// Creates a new host thread ID, should only be called by GetHostThreadId
u32 AllocateHostThreadId(std::optional<std::size_t> core_id) {
if (core_id) {
// The first for slots are reserved for CPU core threads
ASSERT(*core_id < Core::Hardware::NUM_CPU_CORES);
return static_cast<u32>(*core_id);
} else {
return next_host_thread_id++;
static inline thread_local u32 host_thread_id = UINT32_MAX;
/// Gets the host thread ID for the caller, allocating a new one if this is the first time
u32 GetHostThreadId(std::size_t core_id) {
if (host_thread_id == UINT32_MAX) {
// The first four slots are reserved for CPU core threads
ASSERT(core_id < Core::Hardware::NUM_CPU_CORES);
host_thread_id = static_cast<u32>(core_id);
}
return host_thread_id;
}
/// Gets the host thread ID for the caller, allocating a new one if this is the first time
u32 GetHostThreadId(std::optional<std::size_t> core_id = std::nullopt) {
const thread_local auto host_thread_id{AllocateHostThreadId(core_id)};
u32 GetHostThreadId() {
if (host_thread_id == UINT32_MAX) {
host_thread_id = next_host_thread_id++;
}
return host_thread_id;
}