#ifndef _HACK_INTERRUPT_H_ #define _HACK_INTERRUPT_H_ #include #include "pfinet.h" #define in_interrupt() (0) #define synchronize_irq() ((void) 0) #define synchronize_bh() ((void) 0) /* XXX ? */ /* The code that can call these are already entered holding global_lock, which locks out the net_bh worker thread. */ #define start_bh_atomic() ((void) 0) #define end_bh_atomic() ((void) 0) /* extern struct mutex net_bh_lock; #define start_bh_atomic() __mutex_lock (&net_bh_lock) #define end_bh_atomic() __mutex_unlock (&net_bh_lock) */ /* See sched.c::net_bh_worker comments. */ extern struct condition net_bh_wakeup; #define NET_BH 0xb00bee51 /* The only call to this ever reached is in net/core/dev.c::netif_rx, to announce having enqueued a packet on `backlog'. */ static inline void mark_bh (int bh) { assert (bh == NET_BH); condition_broadcast (&net_bh_wakeup); } void net_bh (void); static inline void init_bh (int bh, void (*fn) (void)) { assert (bh == NET_BH); assert (fn == &net_bh); } #endif