greenplumn cdbtimer 源码
greenplumn cdbtimer 代码
文件路径：/src/include/cdb/cdbtimer.h
/*-------------------------------------------------------------------------
*
* cdbtimer.h
* Functions to manipulate timers used in a backend.
*
* Portions Copyright (c) 2005-2008, Greenplum inc
* Portions Copyright (c) 2012-Present VMware, Inc. or its affiliates.
*
*
* IDENTIFICATION
* src/include/cdb/cdbtimer.h
*
*-------------------------------------------------------------------------
*/
#ifndef CDBTIMER_H_
#define CDBTIMER_H_
#include <sys/time.h>
typedef struct itimers {
struct itimerval rtimer; /* ITIMER_REAL */
struct itimerval vtimer; /* ITIMER_VIRTUAL */
struct itimerval ptimer; /* ITIMER_PROF */
} itimers;
void resetTimers(struct itimers *timers);
void restoreTimers(struct itimers *timers);
#endif /* CDBTIMER_H_ */
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