thread.h

Go to the documentation of this file.

#define MAX_ENTRY 256
#define THREAD_TAG "ncthread"
#define THREAD_TAGLEN 9

struct file_object_info {
        int size; 
        const char *path; 
        int mode; 
};

struct file {
        struct object object;
        char *buffer;   
        int size;       
        int offset;     
        struct entry *ctx; 
};

struct thread_file_ctx {
        struct object object;
        struct file table[MAX_ENTRY];
};

struct local_tcb {
        char tag[THREAD_TAGLEN]; 
        struct thread *tcb_ptr;
};

struct thread_attr {
        struct {
                void *addr; 
                uint32_t size; 
                int is_allocated; 
        } stack;

        int is_first; 
};

struct thread {
        struct object object;
        struct thread *parent; 
        struct thread *root; 
        struct list_head child;
        struct list_head sibling;
        struct list_head link;

        void *arch_data;
        void *user_data;

        enum {
                CREATED = 0x00, 
                READY = 0x01, 
                DELETED = 0x02, 
                RUNNING = 0x03, 
                SLEEP = 0x04, 
                ZOMBIE = 0x05, 
        } status; 
        uint32_t *esp; 
        struct thread_attr attr; 
        struct thread_file_ctx *file_ctx;
        void *sem; /* Semaphore pointer */
};

extern FILE *thread_get_stdin(void);

extern FILE *thread_get_stderr(void);

extern FILE *thread_get_stdout(void);

extern int thread_create(struct thread *tcb, struct thread_attr *attr);

extern void thread_set_status(struct thread *tcb, int status);

extern int thread_get_status(struct thread *tcb);

extern unsigned long thread_get_stack_pointer(struct thread *tcb);

extern void *thread_get_arch_data(struct thread *tcb);

extern void *thread_get_user_data(struct thread *tcb);