plan9port/src/libthread/ref.c

#include "threadimpl.h"

void
incref(Ref *r)
{
	lock(&r->lk);
	r->ref++;
	unlock(&r->lk);
}

long
decref(Ref *r)
{
	long n;

	lock(&r->lk);
	n = --r->ref;
	unlock(&r->lk);
	return n;
}