threads.h

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#ifndef _THREAD_MANAGER_H_
#define _THREAD_MANAGER_H_

#include "types.h"
#include "managers.h"
#include "idt.h"

typedef struct Thread
{
    struct Thread *next;
    Registers regs;
    uint64_t* cr3;
    uint32_t kstack;
    uint32_t status;
    UID uid;
    uint32_t flags;
    void *k_tls;
    char FPU_state[KB(16)]; //Allocate extra space for alignment
} __attribute__((packed)) Thread;

typedef enum
{
    THREAD_FLAGS_NONE = 0,
    THREAD_FLAGS_USER = 0,
    THREAD_FLAGS_KERNEL = 1,
    THREAD_FLAGS_FORK = 2,
    THREAD_FLAGS_VM86 = 4
};

void 
ThreadMan_Setup(void);

UID 
ThreadMan_CreateThread(ProcessEntryPoint entry, 
                       int argc, 
                       char** argv, 
                       uint32_t flags);

void 
ThreadMan_StartThread(UID id);

void 
ThreadMan_ExitThread(UID id);

void 
ThreadMan_DeleteThread(UID id);

UID 
ThreadMan_GetCurThreadID(void);

void* 
ThreadMan_GetCurThreadTLS(void);

void 
ThreadMan_Yield(void);

void
ThreadMan_Lock(void);

void
ThreadMan_Unlock(void);

void*
ThreadMan_GetThreadTLS(UID id);

#endif /* end of include guard: _THREAD_MANAGER_H_ */