spinlockacquire.hh

来自「Click is a modular router toolkit. To us」· HH 代码 · 共 38 行

#ifndef CLICK_SPINLOCKACQUIRE_HH
#define CLICK_SPINLOCKACQUIRE_HH
#include <click/element.hh>
#include <click/sync.hh>
CLICK_DECLS

/*
 * =c
 * SpinlockAcquire(LOCK)
 * =s threads
 * acquires spinlock
 * =d
 * Acquires the spinlock named LOCK. LOCK must be defined in a SpinlockInfo
 * element.
 * =a SpinlockInfo, SpinlockRelease
 */

class SpinlockAcquire : public Element { public:

    SpinlockAcquire()			: _lock(0) {}
    ~SpinlockAcquire()			{}

    const char *class_name() const	{ return "SpinlockAcquire"; }
    const char *port_count() const	{ return PORTS_1_1; }

    int configure(Vector<String> &, ErrorHandler *);

    Packet *simple_action(Packet *p)	{ _lock->acquire(); return p; }

  private:

    Spinlock *_lock;

};

CLICK_ENDDECLS
#endif