be_time_watchdog.h File Reference

#include <csetjmp>
#include <csignal>
#include <be_time.h>
#include <be_error_exception.h>

Go to the source code of this file.

Classes
class	BiometricEvaluation::Time::Watchdog
	A Watchdog object can be used by applications to limit the amount of processing time taken by a block of code. More...

Namespaces
namespace	BiometricEvaluation
	This software was developed at the National Institute of Standards and Technology (NIST) by employees of the Federal Government in the course of their official duties.
namespace	BiometricEvaluation::Time
	Support for time and timers.

Macros
#define	BEGIN_WATCHDOG_BLOCK(_watchdog, _blockname)
	Macros that are used by applications to indicate the start and end of a watchdog timer block. More...
#define	END_WATCHDOG_BLOCK(_watchdog, _blockname)
#define	ABORT_WATCHDOG(_watchdog)

Functions
void	BiometricEvaluation::Time::WatchdogSignalHandler (int signo, siginfo_t *info, void *uap)

Macro Definition Documentation

BEGIN_WATCHDOG_BLOCK

#define BEGIN_WATCHDOG_BLOCK	(		_watchdog,
			_blockname
	)

Value:

        do {            \
        if (!(_watchdog)->isEnabled())                                  \
                break;                                                  \
        (_watchdog)->clearExpired();                                    \
        (_watchdog)->clearCanSigJump();                                 \
        if (sigsetjmp(                                                  \
            BiometricEvaluation::Time::Watchdog::_sigJumpBuf, 1) != 0) \
         {                                                              \
                (_watchdog)->setExpired();                              \
                goto _blockname ## _end;                                \
        }                                                               \
        (_watchdog)->setCanSigJump();                                   \
        (_watchdog)->start();                                           \
} while (0)

Macros that are used by applications to indicate the start and end of a watchdog timer block.

Definition at line 25 of file be_time_watchdog.h.

END_WATCHDOG_BLOCK

#define END_WATCHDOG_BLOCK	(		_watchdog,
			_blockname
	)

Value:

        do {                    \
        if (!(_watchdog)->isEnabled())                                  \
                break;                                                  \
        _blockname ## _end:                                             \
        (_watchdog)->clearCanSigJump();                                 \
        (_watchdog)->stop();                                            \
} while (0);

Definition at line 40 of file be_time_watchdog.h.

ABORT_WATCHDOG

#define ABORT_WATCHDOG

(

_watchdog

)

Value:

        do {                                    \
        if (!(_watchdog)->isEnabled())                                  \
                break;                                                  \
        (_watchdog)->clearCanSigJump();                                 \
        (_watchdog)->stop();                                            \
} while (0);

Definition at line 48 of file be_time_watchdog.h.