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Tweaks to various bits. Until I hear otherwise, Refs aren't used enough to merit their own assembly. They are now implemented with locks.
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 1 76193d7c 2003-09-30 devnull #include "threadimpl.h"

 2 76193d7c 2003-09-30 devnull 

 3 76193d7c 2003-09-30 devnull void

 4 76193d7c 2003-09-30 devnull incref(Ref *r)

 5 76193d7c 2003-09-30 devnull {

 6 49588d5d 2003-12-17 devnull 	lock(&r->lk);

 7 49588d5d 2003-12-17 devnull 	r->ref++;

 8 49588d5d 2003-12-17 devnull 	unlock(&r->lk);

 9 76193d7c 2003-09-30 devnull }

10 76193d7c 2003-09-30 devnull 

11 76193d7c 2003-09-30 devnull long

12 76193d7c 2003-09-30 devnull decref(Ref *r)

13 76193d7c 2003-09-30 devnull {

14 49588d5d 2003-12-17 devnull 	long n;

15 49588d5d 2003-12-17 devnull 

16 49588d5d 2003-12-17 devnull 	lock(&r->lk);

17 49588d5d 2003-12-17 devnull 	n = --r->ref;

18 49588d5d 2003-12-17 devnull 	unlock(&r->lk);

19 49588d5d 2003-12-17 devnull 	return n;

20 76193d7c 2003-09-30 devnull }