06bb4ed20d
data structures. Makes it easier to use pthreads too. Still need to add code for non-pthreads systems. Just a checkpoint to switch work to another machine.
39 lines
565 B
C
39 lines
565 B
C
#include "threadimpl.h"
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int _threadhighnrendez;
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int _threadnrendez;
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void
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_threadsleep(_Procrend *r)
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{
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Thread *t;
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t = _threadgetproc()->thread;
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r->arg = t;
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t->nextstate = Rendezvous;
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t->inrendez = 1;
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unlock(r->l);
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_sched();
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t->inrendez = 0;
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lock(r->l);
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}
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void
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_threadwakeup(_Procrend *r)
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{
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Thread *t;
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t = r->arg;
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while(t->state == Running)
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sleep(0);
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lock(&t->proc->lock);
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if(t->state == Dead){
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unlock(&t->proc->lock);
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return;
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}
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assert(t->state == Rendezvous && t->inrendez);
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t->state = Ready;
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_threadready(t);
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unlock(&t->proc->lock);
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}
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