4coder/4ed_coroutine.h

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/*
* Mr. 4th Dimention - Allen Webster
*
* 03.08.2019
*
* Coroutine implementation from thread+mutex+cv
*
*/
// TOP
#if !defined(FRED_COROUTINE_H)
#define FRED_COROUTINE_H
typedef void Coroutine_Function(struct Coroutine *head);
typedef u32 Coroutine_State;
enum{
CoroutineState_Dead,
CoroutineState_Active,
CoroutineState_Inactive,
CoroutineState_Waiting,
};
typedef u32 Coroutine_Type;
enum{
CoroutineType_Uninitialized,
CoroutineType_Root,
CoroutineType_Sub,
};
struct Coroutine{
Coroutine *next;
void *in;
void *out;
System_Functions *system;
System_Thread thread;
System_Condition_Variable cv;
struct Coroutine_Group *sys;
Coroutine_Function *function;
Coroutine *yield_ctx;
Coroutine_State state;
Coroutine_Type type;
};
struct Coroutine_Group{
Arena arena;
System_Functions *system;
System_Mutex lock;
System_Condition_Variable init_cv;
b32 did_init;
Coroutine *active;
Coroutine *unused;
Coroutine root;
};
////////////////////////////////
typedef i32 Coroutine_Pass_Control;
enum{
CoroutinePassControl_ExitMe,
CoroutinePassControl_BlockMe,
};
#endif
// BOTTOM