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changed the list manupluation style in managing process switching

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hyunghwan.chung
2016-02-19 15:52:56 +00:00
parent 734082db91
commit 351239bdf4
5 changed files with 258 additions and 172 deletions
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17
stix/lib/stix.h
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@ -547,10 +547,10 @@ struct stix_process_t
{
STIX_OBJ_HEADER;
stix_oop_context_t initial_context;
stix_oop_context_t runnable_context;
stix_oop_context_t current_context;
stix_oop_t state; /* SmallInteger */
stix_oop_process_t prev;
stix_oop_process_t next;
stix_oop_process_t p_prev;
stix_oop_process_t p_next;
stix_oop_t sp; /* stack pointer. SmallInteger */
stix_oop_process_t sem_next;
@ -569,19 +569,17 @@ struct stix_semaphore_t
stix_oop_process_t waiting_tail; /* nil or Process */
};
#define STIX_PROCESS_SCHEDULER_NAMED_INSTVARS 4
#define STIX_PROCESS_SCHEDULER_NAMED_INSTVARS 3
typedef struct stix_process_scheduler_t stix_process_scheduler_t;
typedef struct stix_process_scheduler_t* stix_oop_process_scheduler_t;
struct stix_process_scheduler_t
{
STIX_OBJ_HEADER;
stix_oop_t tally;
stix_oop_process_t head;
stix_oop_process_t tail;
stix_oop_process_t active;
stix_oop_t tally; /* SmallInteger, the number of runnable processes */
stix_oop_process_t active; /* pointer to an active process in the runnable process list */
stix_oop_process_t runnable; /* runnable process list */
};
/**
* The STIX_CLASSOF() macro return the class of an object including a numeric
* object encoded into a pointer.
@ -777,6 +775,7 @@ struct stix_t
stix_oob_t* active_code;
stix_ooi_t sp;
stix_ooi_t ip;
int proc_switched; /* TODO: this is temporary. implement something else to skip immediate context switching */
/* == END EXECUTION REGISTERS == */
/* == BIGINT CONVERSION == */