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Shm monitor: fix startup race and enable view-only mode

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This commit is contained in:
Alexey Rybalchenko
2019-11-13 12:37:48 +01:00
committed by Dennis Klein
parent 2c6f436858
commit 2ac8f98178
8 changed files with 200 additions and 197 deletions
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12
fairmq/shmem/Monitor.h
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@@ -14,6 +14,7 @@
#include <chrono>
#include <atomic>
#include <string>
#include <stdexcept>
#include <unordered_map>
namespace fair
@@ -26,22 +27,24 @@ namespace shmem
class Monitor
{
public:
Monitor(const std::string& shmId, bool selfDestruct, bool interactive, unsigned int timeoutInMS, bool runAsDaemon, bool cleanOnExit);
Monitor(const std::string& shmId, bool selfDestruct, bool interactive, bool viewOnly, unsigned int timeoutInMS, bool runAsDaemon, bool cleanOnExit);
Monitor(const Monitor&) = delete;
Monitor operator=(const Monitor&) = delete;
virtual ~Monitor();
void CatchSignals();
void Run();
virtual ~Monitor();
static void Cleanup(const std::string& shmId);
static void RemoveObject(const std::string&);
static void RemoveFileMapping(const std::string&);
static void RemoveQueue(const std::string&);
static void RemoveMutex(const std::string&);
struct DaemonPresent : std::runtime_error { using std::runtime_error::runtime_error; };
private:
void PrintHeader();
void PrintHelp();
@@ -53,8 +56,9 @@ class Monitor
bool fSelfDestruct; // will self-destruct after the memory has been closed
bool fInteractive; // running in interactive mode
bool fSeenOnce; // true is segment has been opened successfully at least once
bool fViewOnly; // view only mode
bool fIsDaemon;
bool fSeenOnce; // true is segment has been opened successfully at least once
bool fCleanOnExit;
unsigned int fTimeoutInMS;
std::string fShmId;