git.m6w6.name Git - awesomized/libmemcached/blob - libtest/signal.h

   1 /*  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
   2  *
   3  *  Data Differential YATL (i.e. libtest)  library
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  36
  37 #pragma once
  38
  39 #include <pthread.h>
  40 #include <semaphore.h>
  41 #include <signal.h>
  42
  43 enum shutdown_t {
  44   SHUTDOWN_RUNNING,
  45   SHUTDOWN_GRACEFUL,
  46   SHUTDOWN_FORCED
  47 };
  48
  49 namespace libtest {
  50
  51 class SignalThread {
  52   sigset_t set;
  53   sem_t lock;
  54   uint64_t magic_memory;
  55   volatile shutdown_t __shutdown;
  56   pthread_mutex_t shutdown_mutex;
  57   pthread_t thread;
  58   sigset_t original_set;
  59
  60 public:
  61
  62   SignalThread();
  63   ~SignalThread();
  64
  65   void test();
  66   void post();
  67   bool setup();
  68   bool unblock();
  69
  70   int wait(int& sig)
  71   {
  72     return sigwait(&set, &sig);
  73   }
  74
  75   void set_shutdown(shutdown_t arg);
  76   bool is_shutdown();
  77   shutdown_t get_shutdown();
  78 };
  79
  80 } // namespace libtest