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-rw-r--r--src/core/CMakeLists.txt1
-rw-r--r--src/core/hle/service/sockets/blocking_worker.h161
-rw-r--r--src/core/hle/service/sockets/bsd.cpp124
-rw-r--r--src/core/hle/service/sockets/bsd.h9
4 files changed, 45 insertions, 250 deletions
diff --git a/src/core/CMakeLists.txt b/src/core/CMakeLists.txt
index 87712a3ce..01f3e9419 100644
--- a/src/core/CMakeLists.txt
+++ b/src/core/CMakeLists.txt
@@ -502,7 +502,6 @@ add_library(core STATIC
hle/service/sm/controller.h
hle/service/sm/sm.cpp
hle/service/sm/sm.h
- hle/service/sockets/blocking_worker.h
hle/service/sockets/bsd.cpp
hle/service/sockets/bsd.h
hle/service/sockets/ethc.cpp
diff --git a/src/core/hle/service/sockets/blocking_worker.h b/src/core/hle/service/sockets/blocking_worker.h
deleted file mode 100644
index 2d53e52b6..000000000
--- a/src/core/hle/service/sockets/blocking_worker.h
+++ /dev/null
@@ -1,161 +0,0 @@
-// Copyright 2020 yuzu emulator team
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#pragma once
-
-#include <atomic>
-#include <memory>
-#include <string>
-#include <string_view>
-#include <thread>
-#include <variant>
-#include <vector>
-
-#include <fmt/format.h>
-
-#include "common/assert.h"
-#include "common/microprofile.h"
-#include "common/thread.h"
-#include "core/core.h"
-#include "core/hle/kernel/hle_ipc.h"
-#include "core/hle/kernel/kernel.h"
-#include "core/hle/kernel/thread.h"
-#include "core/hle/kernel/writable_event.h"
-
-namespace Service::Sockets {
-
-/**
- * Worker abstraction to execute blocking calls on host without blocking the guest thread
- *
- * @tparam Service Service where the work is executed
- * @tparam Types Types of work to execute
- */
-template <class Service, class... Types>
-class BlockingWorker {
- using This = BlockingWorker<Service, Types...>;
- using WorkVariant = std::variant<std::monostate, Types...>;
-
-public:
- /// Create a new worker
- static std::unique_ptr<This> Create(Core::System& system, Service* service,
- std::string_view name) {
- return std::unique_ptr<This>(new This(system, service, name));
- }
-
- ~BlockingWorker() {
- while (!is_available.load(std::memory_order_relaxed)) {
- // Busy wait until work is finished
- std::this_thread::yield();
- }
- // Monostate means to exit the thread
- work = std::monostate{};
- work_event.Set();
- thread.join();
- }
-
- /**
- * Try to capture the worker to send work after a success
- * @returns True when the worker has been successfully captured
- */
- bool TryCapture() {
- bool expected = true;
- return is_available.compare_exchange_weak(expected, false, std::memory_order_relaxed,
- std::memory_order_relaxed);
- }
-
- /**
- * Send work to this worker abstraction
- * @see TryCapture must be called before attempting to call this function
- */
- template <class Work>
- void SendWork(Work new_work) {
- ASSERT_MSG(!is_available, "Trying to send work on a worker that's not captured");
- work = std::move(new_work);
- work_event.Set();
- }
-
- /// Generate a callback for @see SleepClientThread
- template <class Work>
- auto Callback() {
- return [this](std::shared_ptr<Kernel::Thread>, Kernel::HLERequestContext& ctx,
- Kernel::ThreadWakeupReason reason) {
- ASSERT(reason == Kernel::ThreadWakeupReason::Signal);
- std::get<Work>(work).Response(ctx);
- is_available.store(true);
- };
- }
-
- /// Get kernel event that will be signalled by the worker when the host operation finishes
- std::shared_ptr<Kernel::WritableEvent> KernelEvent() const {
- return kernel_event;
- }
-
-private:
- explicit BlockingWorker(Core::System& system, Service* service, std::string_view name) {
- auto pair = Kernel::WritableEvent::CreateEventPair(system.Kernel(), std::string(name));
- kernel_event = std::move(pair.writable);
- thread = std::thread([this, &system, service, name] { Run(system, service, name); });
- }
-
- void Run(Core::System& system, Service* service, std::string_view name) {
- system.RegisterHostThread();
-
- const std::string thread_name = fmt::format("yuzu:{}", name);
- MicroProfileOnThreadCreate(thread_name.c_str());
- Common::SetCurrentThreadName(thread_name.c_str());
-
- bool keep_running = true;
- while (keep_running) {
- work_event.Wait();
-
- const auto visit_fn = [service, &keep_running]<typename T>(T&& w) {
- if constexpr (std::is_same_v<std::decay_t<T>, std::monostate>) {
- keep_running = false;
- } else {
- w.Execute(service);
- }
- };
- std::visit(visit_fn, work);
-
- kernel_event->Signal();
- }
- }
-
- std::thread thread;
- WorkVariant work;
- Common::Event work_event;
- std::shared_ptr<Kernel::WritableEvent> kernel_event;
- std::atomic_bool is_available{true};
-};
-
-template <class Service, class... Types>
-class BlockingWorkerPool {
- using Worker = BlockingWorker<Service, Types...>;
-
-public:
- explicit BlockingWorkerPool(Core::System& system_, Service* service_)
- : system{system_}, service{service_} {}
-
- /// Returns a captured worker thread, creating new ones if necessary
- Worker* CaptureWorker() {
- for (auto& worker : workers) {
- if (worker->TryCapture()) {
- return worker.get();
- }
- }
- auto new_worker = Worker::Create(system, service, fmt::format("BSD:{}", workers.size()));
- [[maybe_unused]] const bool success = new_worker->TryCapture();
- ASSERT(success);
-
- return workers.emplace_back(std::move(new_worker)).get();
- }
-
-private:
- Core::System& system;
- Service* const service;
-
- std::vector<std::unique_ptr<Worker>> workers;
-};
-
-} // namespace Service::Sockets
diff --git a/src/core/hle/service/sockets/bsd.cpp b/src/core/hle/service/sockets/bsd.cpp
index 67b419503..2b824059d 100644
--- a/src/core/hle/service/sockets/bsd.cpp
+++ b/src/core/hle/service/sockets/bsd.cpp
@@ -178,13 +178,12 @@ void BSD::Poll(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service, "called. nfds={} timeout={}", nfds, timeout);
- ExecuteWork(ctx, "BSD:Poll", timeout != 0,
- PollWork{
- .nfds = nfds,
- .timeout = timeout,
- .read_buffer = ctx.ReadBuffer(),
- .write_buffer = std::vector<u8>(ctx.GetWriteBufferSize()),
- });
+ ExecuteWork(ctx, PollWork{
+ .nfds = nfds,
+ .timeout = timeout,
+ .read_buffer = ctx.ReadBuffer(),
+ .write_buffer = std::vector<u8>(ctx.GetWriteBufferSize()),
+ });
}
void BSD::Accept(Kernel::HLERequestContext& ctx) {
@@ -193,11 +192,10 @@ void BSD::Accept(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service, "called. fd={}", fd);
- ExecuteWork(ctx, "BSD:Accept", IsBlockingSocket(fd),
- AcceptWork{
- .fd = fd,
- .write_buffer = std::vector<u8>(ctx.GetWriteBufferSize()),
- });
+ ExecuteWork(ctx, AcceptWork{
+ .fd = fd,
+ .write_buffer = std::vector<u8>(ctx.GetWriteBufferSize()),
+ });
}
void BSD::Bind(Kernel::HLERequestContext& ctx) {
@@ -215,11 +213,10 @@ void BSD::Connect(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service, "called. fd={} addrlen={}", fd, ctx.GetReadBufferSize());
- ExecuteWork(ctx, "BSD:Connect", IsBlockingSocket(fd),
- ConnectWork{
- .fd = fd,
- .addr = ctx.ReadBuffer(),
- });
+ ExecuteWork(ctx, ConnectWork{
+ .fd = fd,
+ .addr = ctx.ReadBuffer(),
+ });
}
void BSD::GetPeerName(Kernel::HLERequestContext& ctx) {
@@ -327,12 +324,11 @@ void BSD::Recv(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service, "called. fd={} flags=0x{:x} len={}", fd, flags, ctx.GetWriteBufferSize());
- ExecuteWork(ctx, "BSD:Recv", IsBlockingSocket(fd),
- RecvWork{
- .fd = fd,
- .flags = flags,
- .message = std::vector<u8>(ctx.GetWriteBufferSize()),
- });
+ ExecuteWork(ctx, RecvWork{
+ .fd = fd,
+ .flags = flags,
+ .message = std::vector<u8>(ctx.GetWriteBufferSize()),
+ });
}
void BSD::RecvFrom(Kernel::HLERequestContext& ctx) {
@@ -344,13 +340,12 @@ void BSD::RecvFrom(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service, "called. fd={} flags=0x{:x} len={} addrlen={}", fd, flags,
ctx.GetWriteBufferSize(0), ctx.GetWriteBufferSize(1));
- ExecuteWork(ctx, "BSD:RecvFrom", IsBlockingSocket(fd),
- RecvFromWork{
- .fd = fd,
- .flags = flags,
- .message = std::vector<u8>(ctx.GetWriteBufferSize(0)),
- .addr = std::vector<u8>(ctx.GetWriteBufferSize(1)),
- });
+ ExecuteWork(ctx, RecvFromWork{
+ .fd = fd,
+ .flags = flags,
+ .message = std::vector<u8>(ctx.GetWriteBufferSize(0)),
+ .addr = std::vector<u8>(ctx.GetWriteBufferSize(1)),
+ });
}
void BSD::Send(Kernel::HLERequestContext& ctx) {
@@ -361,12 +356,11 @@ void BSD::Send(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service, "called. fd={} flags=0x{:x} len={}", fd, flags, ctx.GetReadBufferSize());
- ExecuteWork(ctx, "BSD:Send", IsBlockingSocket(fd),
- SendWork{
- .fd = fd,
- .flags = flags,
- .message = ctx.ReadBuffer(),
- });
+ ExecuteWork(ctx, SendWork{
+ .fd = fd,
+ .flags = flags,
+ .message = ctx.ReadBuffer(),
+ });
}
void BSD::SendTo(Kernel::HLERequestContext& ctx) {
@@ -377,13 +371,12 @@ void BSD::SendTo(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service, "called. fd={} flags=0x{} len={} addrlen={}", fd, flags,
ctx.GetReadBufferSize(0), ctx.GetReadBufferSize(1));
- ExecuteWork(ctx, "BSD:SendTo", IsBlockingSocket(fd),
- SendToWork{
- .fd = fd,
- .flags = flags,
- .message = ctx.ReadBuffer(0),
- .addr = ctx.ReadBuffer(1),
- });
+ ExecuteWork(ctx, SendToWork{
+ .fd = fd,
+ .flags = flags,
+ .message = ctx.ReadBuffer(0),
+ .addr = ctx.ReadBuffer(1),
+ });
}
void BSD::Write(Kernel::HLERequestContext& ctx) {
@@ -392,12 +385,11 @@ void BSD::Write(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service, "called. fd={} len={}", fd, ctx.GetReadBufferSize());
- ExecuteWork(ctx, "BSD:Write", IsBlockingSocket(fd),
- SendWork{
- .fd = fd,
- .flags = 0,
- .message = ctx.ReadBuffer(),
- });
+ ExecuteWork(ctx, SendWork{
+ .fd = fd,
+ .flags = 0,
+ .message = ctx.ReadBuffer(),
+ });
}
void BSD::Close(Kernel::HLERequestContext& ctx) {
@@ -410,24 +402,9 @@ void BSD::Close(Kernel::HLERequestContext& ctx) {
}
template <typename Work>
-void BSD::ExecuteWork(Kernel::HLERequestContext& ctx, std::string_view sleep_reason,
- bool is_blocking, Work work) {
- if (!is_blocking) {
- work.Execute(this);
- work.Response(ctx);
- return;
- }
-
- // Signal a dummy response to make IPC validation happy
- // This will be overwritten by the SleepClientThread callback
+void BSD::ExecuteWork(Kernel::HLERequestContext& ctx, Work work) {
+ work.Execute(this);
work.Response(ctx);
-
- auto worker = worker_pool.CaptureWorker();
-
- ctx.SleepClientThread(std::string(sleep_reason), std::numeric_limits<u64>::max(),
- worker->Callback<Work>(), worker->KernelEvent());
-
- worker->SendWork(std::move(work));
}
std::pair<s32, Errno> BSD::SocketImpl(Domain domain, Type type, Protocol protocol) {
@@ -807,18 +784,6 @@ bool BSD::IsFileDescriptorValid(s32 fd) const noexcept {
return true;
}
-bool BSD::IsBlockingSocket(s32 fd) const noexcept {
- // Inform invalid sockets as non-blocking
- // This way we avoid using a worker thread as it will fail without blocking host
- if (fd > static_cast<s32>(MAX_FD) || fd < 0) {
- return false;
- }
- if (!file_descriptors[fd]) {
- return false;
- }
- return (file_descriptors[fd]->flags & FLAG_O_NONBLOCK) != 0;
-}
-
void BSD::BuildErrnoResponse(Kernel::HLERequestContext& ctx, Errno bsd_errno) const noexcept {
IPC::ResponseBuilder rb{ctx, 4};
@@ -827,8 +792,7 @@ void BSD::BuildErrnoResponse(Kernel::HLERequestContext& ctx, Errno bsd_errno) co
rb.PushEnum(bsd_errno);
}
-BSD::BSD(Core::System& system_, const char* name)
- : ServiceFramework{system_, name}, worker_pool{system_, this} {
+BSD::BSD(Core::System& system_, const char* name) : ServiceFramework{system_, name} {
// clang-format off
static const FunctionInfo functions[] = {
{0, &BSD::RegisterClient, "RegisterClient"},
diff --git a/src/core/hle/service/sockets/bsd.h b/src/core/hle/service/sockets/bsd.h
index f14713fc4..6da0bfeb2 100644
--- a/src/core/hle/service/sockets/bsd.h
+++ b/src/core/hle/service/sockets/bsd.h
@@ -11,7 +11,6 @@
#include "common/common_types.h"
#include "core/hle/kernel/hle_ipc.h"
#include "core/hle/service/service.h"
-#include "core/hle/service/sockets/blocking_worker.h"
#include "core/hle/service/sockets/sockets.h"
namespace Core {
@@ -138,8 +137,7 @@ private:
void Close(Kernel::HLERequestContext& ctx);
template <typename Work>
- void ExecuteWork(Kernel::HLERequestContext& ctx, std::string_view sleep_reason,
- bool is_blocking, Work work);
+ void ExecuteWork(Kernel::HLERequestContext& ctx, Work work);
std::pair<s32, Errno> SocketImpl(Domain domain, Type type, Protocol protocol);
std::pair<s32, Errno> PollImpl(std::vector<u8>& write_buffer, std::vector<u8> read_buffer,
@@ -163,15 +161,10 @@ private:
s32 FindFreeFileDescriptorHandle() noexcept;
bool IsFileDescriptorValid(s32 fd) const noexcept;
- bool IsBlockingSocket(s32 fd) const noexcept;
void BuildErrnoResponse(Kernel::HLERequestContext& ctx, Errno bsd_errno) const noexcept;
std::array<std::optional<FileDescriptor>, MAX_FD> file_descriptors;
-
- BlockingWorkerPool<BSD, PollWork, AcceptWork, ConnectWork, RecvWork, RecvFromWork, SendWork,
- SendToWork>
- worker_pool;
};
class BSDCFG final : public ServiceFramework<BSDCFG> {
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-18 07:49:42 +0100