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https://github.com/RPCSX/rpcsx.git
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96cabeadff
Implement helper functions balanced_wait_until and balanced_awaken They include new path for Windows 8.1+ (WaitOnAddress) shared_mutex, cond_variable, cond_one, cond_x16 modified to use it Added helper function utils::popcnt16 Replace most semaphore<> with shared_mutex
60 lines
1.3 KiB
C++
60 lines
1.3 KiB
C++
#pragma once
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#include "sys_sync.h"
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struct sys_rwlock_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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char name[8];
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u64 name_u64;
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};
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};
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struct lv2_rwlock final : lv2_obj
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{
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static const u32 id_base = 0x88000000;
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const u32 protocol;
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const u32 shared;
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const u64 key;
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const u64 name;
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const s32 flags;
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shared_mutex mutex;
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atomic_t<s64> owner{0};
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std::deque<cpu_thread*> rq;
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std::deque<cpu_thread*> wq;
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lv2_rwlock(u32 protocol, u32 shared, u64 key, s32 flags, u64 name)
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: protocol(protocol)
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, shared(shared)
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, key(key)
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, flags(flags)
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, name(name)
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{
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}
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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_rwlock_create(vm::ptr<u32> rw_lock_id, vm::ptr<sys_rwlock_attribute_t> attr);
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error_code sys_rwlock_destroy(u32 rw_lock_id);
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error_code sys_rwlock_rlock(ppu_thread& ppu, u32 rw_lock_id, u64 timeout);
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error_code sys_rwlock_tryrlock(u32 rw_lock_id);
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error_code sys_rwlock_runlock(ppu_thread& ppu, u32 rw_lock_id);
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error_code sys_rwlock_wlock(ppu_thread& ppu, u32 rw_lock_id, u64 timeout);
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error_code sys_rwlock_trywlock(ppu_thread& ppu, u32 rw_lock_id);
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error_code sys_rwlock_wunlock(ppu_thread& ppu, u32 rw_lock_id);
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constexpr auto _sys_rwlock_trywlock = sys_rwlock_trywlock;
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