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65 lines
1.4 KiB
C++
65 lines
1.4 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 EventFlagWaiter
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{
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u32 tid;
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u32 mode;
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u64 bitptn;
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};
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struct EventFlag
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{
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atomic_le_t<u64> flags;
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squeue_t<u32, 32> signal;
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std::mutex mutex; // protects waiters
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std::vector<EventFlagWaiter> waiters;
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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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EventFlag(u64 pattern, u32 protocol, s32 type, u64 name)
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: protocol(protocol)
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, type(type)
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, name(name)
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{
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flags.write_relaxed(pattern);
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}
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u32 check();
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};
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s32 sys_event_flag_create(vm::ptr<u32> eflag_id, vm::ptr<sys_event_flag_attr> attr, u64 init);
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s32 sys_event_flag_destroy(u32 eflag_id);
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s32 sys_event_flag_wait(u32 eflag_id, u64 bitptn, u32 mode, vm::ptr<u64> result, u64 timeout);
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s32 sys_event_flag_trywait(u32 eflag_id, u64 bitptn, u32 mode, vm::ptr<u64> result);
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s32 sys_event_flag_set(u32 eflag_id, u64 bitptn);
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s32 sys_event_flag_clear(u32 eflag_id, u64 bitptn);
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s32 sys_event_flag_cancel(u32 eflag_id, vm::ptr<u32> num);
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s32 sys_event_flag_get(u32 eflag_id, vm::ptr<u64> flags); |