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61 lines
1.3 KiB
C++
61 lines
1.3 KiB
C++
#pragma once
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enum
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{
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SYS_SYNC_WAITER_SINGLE = 0x10000,
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SYS_SYNC_WAITER_MULTIPLE = 0x20000,
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SYS_EVENT_FLAG_WAIT_AND = 0x01,
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SYS_EVENT_FLAG_WAIT_OR = 0x02,
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SYS_EVENT_FLAG_WAIT_CLEAR = 0x10,
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SYS_EVENT_FLAG_WAIT_CLEAR_ALL = 0x20,
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};
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struct sys_event_flag_attr
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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<s32> type;
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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 event_flag_t
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{
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const u32 protocol;
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const s32 type;
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const u64 name;
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std::atomic<u64> flags;
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std::atomic<u32> cancelled;
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// TODO: use sleep queue, possibly remove condition variable
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std::condition_variable cv;
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std::atomic<u32> waiters;
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event_flag_t(u64 pattern, u32 protocol, s32 type, u64 name)
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: flags(pattern)
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, protocol(protocol)
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, type(type)
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, name(name)
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, cancelled(0)
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, waiters(0)
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{
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}
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};
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s32 sys_event_flag_create(vm::ptr<u32> id, vm::ptr<sys_event_flag_attr> attr, u64 init);
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s32 sys_event_flag_destroy(u32 id);
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s32 sys_event_flag_wait(u32 id, u64 bitptn, u32 mode, vm::ptr<u64> result, u64 timeout);
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s32 sys_event_flag_trywait(u32 id, u64 bitptn, u32 mode, vm::ptr<u64> result);
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s32 sys_event_flag_set(u32 id, u64 bitptn);
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s32 sys_event_flag_clear(u32 id, u64 bitptn);
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s32 sys_event_flag_cancel(u32 id, vm::ptr<u32> num);
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s32 sys_event_flag_get(u32 id, vm::ptr<u64> flags);
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