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try to implement the daemonize hack.

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This commit is contained in:
rsc 2004-10-22 18:45:08 +00:00
parent 048610b7ea
commit 5093c3fa40
11 changed files with 165 additions and 51 deletions
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35
src/libthread/sched.c
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@ -51,27 +51,42 @@ _threadscheduler(void *arg)
/*
* If thread needs to die, kill it.
* t->proc == p may not be true if we're
* trying to jump into the exec proc (see exec-unix.c).
*/
if(t->moribund){
_threaddebug(DBGSCHED, "moribund %d.%d", p->id, t->id);
if(t->moribund != 1)
print("moribund broke %p %d\n", &t->moribund, t->moribund);
assert(t->moribund == 1);
t->state = Dead;
if(t->prevt)
t->prevt->nextt = t->nextt;
else
p->threads.head = t->nextt;
if(t->nextt)
t->nextt->prevt = t->prevt;
else
p->threads.tail = t->prevt;
_procdelthread(p, t);
unlock(&p->lock);
_threadfree(t);
p->nthreads--;
t = nil;
continue;
}
/*
* If the thread has asked to move to another proc,
* let it go (only to be used in *very* special situations).
if(t->nextproc != p)
_procdelthread(p, t);
*/
unlock(&p->lock);
/*
* If the thread has asked to move to another proc,
* add it to the new proc.
*/
if(t->nextproc != p){
// lock(&t->nextproc->lock);
// _procaddthread(t->nextproc, t);
// unlock(&t->nextproc->lock);
t->proc = t->nextproc;
}
/*
* If there is a request to run a function on the
* scheduling stack, do so.
@ -87,7 +102,7 @@ _threadscheduler(void *arg)
* Move the thread along.
*/
t->state = t->nextstate;
_threaddebug(DBGSCHED, "moveon %d.%d", p->id, t->id);
_threaddebug(DBGSCHED, "moveon %d.%d", t->proc->id, t->id);
if(t->state == Ready)
_threadready(t);
}