test lock code.

lichao

2021-05-10 77a6c3512a44dfe6540dde71946e6484fe4f173f

 src/shm.h

@@ -19,7 +19,7 @@
#ifndef SHM_6CHO6D6C
#define SHM_6CHO6D6C

#include "robust.h"
#include "log.h"
#include <atomic>
#include <boost/interprocess/managed_shared_memory.hpp>
#include <boost/interprocess/sync/interprocess_mutex.hpp>
@@ -68,7 +68,7 @@
         if (Killed(old)) {
            r = PidCas(old, pid());
            if (r) {
               printf("PidCheck captured pid %d -> %d\n", old, pid());
               LOG_DEBUG() << "PidCheck captured pid " << old << " -> " << pid();
            }
         }
      }
@@ -90,8 +90,9 @@
   }
};

typedef robust::Mutex Mutex;
typedef robust::Guard<Mutex> Guard;
typedef interprocess_mutex Mutex;
typedef scoped_lock<Mutex> Guard;
// typedef robust::Guard<Mutex> Guard;

class SharedMemory : public mshm_t
{