StCloseFileOnTerminate Class Reference

Class StCloseFileOnTerminate - it is a singleton to catch the SIGTERM signal (sent by Condor for example) to close all open ROOT files. To activate, insert into your code: StCloseFileOnTerminate::Instantiate(); On kill <PID> the Notify method is to close all existing ROOT files and terminated the applcation. It is simple. However it is error-prone. The signal SIGTERM can be emitted at the time of I/O operation. As result this I/O operation can not be completed and no way the file can be close properly. More...

#include <StCloseFileOnTerminate.h>

Inheritance diagram for StCloseFileOnTerminate:

Static Public Member Functions
static StCloseFileOnTerminate &	Instantiate ()
	Create an instance of the signal handler (Should be called at once by code)

Protected Member Functions
virtual Bool_t	Notify ()
	Close the open ROOT files upon SIGTERM sent by system to terminate the job.

Static Protected Member Functions
static bool	Exists ()

Detailed Description

Class StCloseFileOnTerminate - it is a singleton to catch the SIGTERM signal (sent by Condor for example) to close all open ROOT files. To activate, insert into your code: StCloseFileOnTerminate::Instantiate(); On kill <PID> the Notify method is to close all existing ROOT files and terminated the applcation. It is simple. However it is error-prone. The signal SIGTERM can be emitted at the time of I/O operation. As result this I/O operation can not be completed and no way the file can be close properly.

Definition at line 33 of file StCloseFileOnTerminate.h.

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The documentation for this class was generated from the following files:

• StarRoot/StCloseFileOnTerminate.h
• StarRoot/StCloseFileOnTerminate.cxx