53 lines
1.1 KiB
C
53 lines
1.1 KiB
C
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#include "kthread.h"
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#include "kthread_switch.h"
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#include "internal.h"
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#include "../util/tree.h"
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#include "../interrupt/interrupt.h"
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#include "../driver/irq/pic/rtc/rtc.h"
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smp_thread_ID smp_thread_Init() {
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INTERRUPT_DISABLE;
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__smp_Threads = tree_Create(sizeof(__smp_Thread));
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__smp_ThreadsWaiting = tree_Create(sizeof(void *));
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__smp_Now = 1;
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smp_thread_ID id = 1;
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tree_Node * node = tree_Insert(__smp_Threads, 1, NULL);
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__smp_Thread *t = (__smp_Thread *)node->data;
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t->nice = SMP_NICENESS_DEFAULT;
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t->id = id;
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t->lastTick = 1;
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__smp_Current[0] = t;
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if (!pic_rtc_Enabled)
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pic_rtc_Init();
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pic_rtc_SetHandler(__smp_IntSwitch);
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INTERRUPT_RESTORE;
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return id;
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}
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int smp_thread_Nice(smp_thread_ID id, int newnice) {
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INTERRUPT_DISABLE;
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__smp_Thread *t = tree_Find(__smp_Threads, id);
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if (!t) {
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INTERRUPT_RESTORE;
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return -1;
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} else if (newnice < 0) {
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INTERRUPT_RESTORE;
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return t->nice;
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}
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int oldnice = t->nice;
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t->nice = newnice;
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INTERRUPT_RESTORE;
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return oldnice;
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}
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void smp_thread_Yield() {
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__smp_PauseTicker = true;
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}
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