src/base/AsyncCallQueue.h

   1 #ifndef SQUID_ASYNCCALLQUEUE_H
   2 #define SQUID_ASYNCCALLQUEUE_H
   3
   4 #include "base/AsyncCall.h"
   5
   6 //class AsyncCall;
   7
   8 // The queue of asynchronous calls. All calls are fired during a single main
   9 // loop iteration until the queue is exhausted
  10 class AsyncCallQueue
  11 {
  12 public:
  13     // there is only one queue
  14     static AsyncCallQueue &Instance();
  15
  16     // make this async call when we get a chance
  17     void schedule(AsyncCall::Pointer &call);
  18
  19     // fire all scheduled calls; returns true if at least one was fired
  20     bool fire();
  21
  22 private:
  23     AsyncCallQueue();
  24
  25     void fireNext();
  26
  27     AsyncCall::Pointer theHead;
  28     AsyncCall::Pointer theTail;
  29
  30     static AsyncCallQueue *TheInstance;
  31 };
  32
  33 #endif /* SQUID_ASYNCCALLQUEUE_H */