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59 lines
1.3 KiB
C++
59 lines
1.3 KiB
C++
#pragma once
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#include "sys_sync.h"
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#include "Emu/Memory/vm_ptr.h"
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struct sys_semaphore_attribute_t
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{
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be_t<u32> protocol;
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be_t<u32> pshared;
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be_t<u64> ipc_key;
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be_t<s32> flags;
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be_t<u32> pad;
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union
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{
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nse_t<u64, 1> name_u64;
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char name[sizeof(u64)];
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};
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};
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struct lv2_sema final : lv2_obj
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{
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static const u32 id_base = 0x96000000;
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const lv2_protocol protocol;
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const u64 key;
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const u64 name;
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const s32 max;
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shared_mutex mutex;
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atomic_t<s32> val;
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atomic_t<ppu_thread*> sq{};
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lv2_sema(u32 protocol, u64 key, u64 name, s32 max, s32 value) noexcept
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: protocol{static_cast<u8>(protocol)}
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, key(key)
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, name(name)
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, max(max)
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, val(value)
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{
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}
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lv2_sema(utils::serial& ar);
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static std::shared_ptr<void> load(utils::serial& ar);
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void save(utils::serial& ar);
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};
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// Aux
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class ppu_thread;
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// Syscalls
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error_code sys_semaphore_create(ppu_thread& ppu, vm::ptr<u32> sem_id, vm::ptr<sys_semaphore_attribute_t> attr, s32 initial_val, s32 max_val);
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error_code sys_semaphore_destroy(ppu_thread& ppu, u32 sem_id);
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error_code sys_semaphore_wait(ppu_thread& ppu, u32 sem_id, u64 timeout);
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error_code sys_semaphore_trywait(ppu_thread& ppu, u32 sem_id);
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error_code sys_semaphore_post(ppu_thread& ppu, u32 sem_id, s32 count);
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error_code sys_semaphore_get_value(ppu_thread& ppu, u32 sem_id, vm::ptr<s32> count);
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