spinlock.h

用c++包装好的线程库,直接拿来使用,提高效率.

#ifndef __THREADS_SPINLOCK_H
#define __THREADS_SPINLOCK_H

namespace cpp_threads {

  /**
   * A spinlock, is a primitive semaphore.  With it we acquire
   * a unique lock, and release that lock.
   */
  struct spinlock {
    int s_spinlock;

    spinlock();
    ~spinlock();

    int testandset();

    void acquire();
    void release();
  };

}; // namespace

#endif /* __THREADS_SPINLOCK_H */