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Line 93... Line 93...
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/** Initialization and allocation for thread_t structure */
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/** Initialization and allocation for thread_t structure */
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static int thr_constructor(void *obj, int kmflags)
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static int thr_constructor(void *obj, int kmflags)
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{
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{
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    thread_t *t = (thread_t *)obj;
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    thread_t *t = (thread_t *)obj;
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    pfn_t pfn;
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    pfn_t pfn;
- 
 
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    int status;
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    spinlock_initialize(&t->lock, "thread_t_lock");
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    spinlock_initialize(&t->lock, "thread_t_lock");
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    link_initialize(&t->rq_link);
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    link_initialize(&t->rq_link);
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    link_initialize(&t->wq_link);
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    link_initialize(&t->wq_link);
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    link_initialize(&t->th_link);
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    link_initialize(&t->th_link);
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    link_initialize(&t->threads_link);
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    link_initialize(&t->threads_link);
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    pfn = frame_alloc(ONE_FRAME, FRAME_KA | kmflags);
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    pfn = frame_alloc_rc(ONE_FRAME, FRAME_KA | kmflags,&status);
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    t->kstack = (__u8 *)PA2KA(PFN2ADDR(pfn));
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    if (!t->kstack)
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    if (status)
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        return -1;
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        return -1;
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    t->kstack = (__u8 *)PA2KA(PFN2ADDR(pfn));
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    return 0;
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    return 0;
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}
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}
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/** Destruction of thread_t object */
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/** Destruction of thread_t object */
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{
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{
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    thread_t *t;
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    thread_t *t;
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    ipl_t ipl;
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    ipl_t ipl;
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    t = (thread_t *) slab_alloc(thread_slab, 0);
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    t = (thread_t *) slab_alloc(thread_slab, 0);
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    if (!t)
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        return NULL;
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    /* Not needed, but good for debugging */
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    /* Not needed, but good for debugging */
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    memsetb((__address)t->kstack, THREAD_STACK_SIZE, 0);
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    memsetb((__address)t->kstack, THREAD_STACK_SIZE, 0);
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    ipl = interrupts_disable();
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    ipl = interrupts_disable();