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Viewing changes to plugin/single_thread/single_thread.cc

  • Committer: Brian Aker
  • Date: 2009-04-13 16:22:40 UTC
  • mfrom: (971.1.78 mordred)
  • Revision ID: brian@gaz-20090413162240-ugi3gvhofmcuglzl
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plugin/single_thread/single_thread.cc
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#include <drizzled/gettext.h>
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#include <drizzled/error.h>
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#include <drizzled/plugin/scheduler.h>
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#include <drizzled/serialize/serialize.h>
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#include <drizzled/connect.h>
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#include <drizzled/sql_parse.h>
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#include <drizzled/session.h>
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class Single_thread_scheduler : public Scheduler
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{
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public:
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  Single_thread_scheduler(uint32_t threads): Scheduler(threads) {}
 
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  Single_thread_scheduler()
 
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    : Scheduler(1) {}
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  virtual bool init_new_connection_thread(void) {return 0;}
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};
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static int init(void *p)
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{
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  Scheduler **sched= static_cast<Scheduler **>(p);
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  *sched= new Single_thread_scheduler(1);
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class SingleThreadFactory : public SchedulerFactory
 
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{
 
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public:
 
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  SingleThreadFactory() : SchedulerFactory("single_thread") {}
 
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  ~SingleThreadFactory() { if (scheduler != NULL) delete scheduler; }
 
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  Scheduler *operator() ()
 
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  {
 
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    if (scheduler == NULL)
 
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      scheduler= new Single_thread_scheduler();
 
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    return scheduler;
 
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  }
 
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};
 
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SingleThreadFactory *factory= NULL;
 
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static int init(PluginRegistry &registry)
 
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{
 
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  factory= new SingleThreadFactory();
 
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  registry.add(factory);
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  return 0;
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}
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static int deinit(void *p)
 
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static int deinit(PluginRegistry &registry)
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{
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  Scheduler *sched= static_cast<Scheduler *>(p);
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  delete sched;
 
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  if (factory)
 
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  {
 
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    registry.remove(factory);
 
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    delete factory;
 
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  }
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  return 0;
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}
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drizzle_declare_plugin(single_thread)
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{
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  DRIZZLE_SCHEDULING_PLUGIN,
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  "single_thread",
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  "0.1",
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  "Brian Aker",