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26 lines
309 B
C
26 lines
309 B
C
/*
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* Atomic reference counts - used by applications.
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*
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* We use locks to avoid the assembly of the Plan 9 versions.
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*/
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#include "threadimpl.h"
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void
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incref(Ref *r)
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{
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lock(&r->lk);
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r->ref++;
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unlock(&r->lk);
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}
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long
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decref(Ref *r)
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{
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long n;
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lock(&r->lk);
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n = --r->ref;
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unlock(&r->lk);
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return n;
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}
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