HelenOS sources

ipc_irq_top_half_claim   52 kernel/generic/include/ipc/irq.h extern irq_ownership_t ipc_irq_top_half_claim(irq_t *);
ipc_irq_top_half_claim  367 kernel/generic/src/ipc/irq.c 	irq->claim = ipc_irq_top_half_claim;
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