mirror of
https://github.com/FEX-Emu/FEX.git
synced 2026-10-14 07:00:43 +02:00
Ryan Houdek
d6309088c0
This improves startup time by a couple of milliseconds. Most applications don't query cpuinfo so deferring improves most application's startup times.
39 lines
1.0 KiB
C++
39 lines
1.0 KiB
C++
/*
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$info$
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tags: LinuxSyscalls|common
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$end_info$
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*/
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#pragma once
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#include <FEXCore/Config/Config.h>
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#include <cstdint>
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#include <functional>
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#include <unordered_map>
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#include <string>
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#include <sys/types.h>
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namespace FEXCore::Context {
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struct Context;
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}
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namespace FEX::EmulatedFile {
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class EmulatedFDManager {
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public:
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EmulatedFDManager(FEXCore::Context::Context *ctx);
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~EmulatedFDManager();
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int32_t OpenAt(int dirfs, const char *pathname, int flags, uint32_t mode);
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private:
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FEXCore::Context::Context *CTX;
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std::string cpus_online{};
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std::once_flag cpu_info_initialized{};
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std::string cpu_info{};
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using FDReadStringFunc = std::function<int32_t(FEXCore::Context::Context *ctx, int32_t fd, const char *pathname, int32_t flags, mode_t mode)>;
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std::unordered_map<std::string, FDReadStringFunc> FDReadCreators;
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static int32_t ProcAuxv(FEXCore::Context::Context* ctx, int32_t fd, const char* pathname, int32_t flags, mode_t mode);
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FEX_CONFIG_OPT(ThreadsConfig, THREADS);
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};
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}
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