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Change PG_DELAY from msec to usec and use it consistenly rather than

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select().   Add Win32 Sleep() for delay.
This commit is contained in:
Bruce Momjian
2004-01-09 21:08:50 +00:00
parent a76c86c7c1
commit 38081fd000
4 changed files with 31 additions and 36 deletions
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42
src/include/miscadmin.h
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@ -12,7 +12,7 @@
* Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/miscadmin.h,v 1.142 2004/01/06 23:15:22 momjian Exp $
* $PostgreSQL: pgsql/src/include/miscadmin.h,v 1.143 2004/01/09 21:08:50 momjian Exp $
*
* NOTES
* some of the information in this file should be moved to
@ -75,34 +75,40 @@ extern volatile uint32 CritSectionCount;
extern void ProcessInterrupts(void);
#define CHECK_FOR_INTERRUPTS() \
do { \
if (InterruptPending) \
ProcessInterrupts(); \
} while(0)
do { \
if (InterruptPending) \
ProcessInterrupts(); \
} while(0)
#define HOLD_INTERRUPTS() (InterruptHoldoffCount++)
#define RESUME_INTERRUPTS() \
do { \
Assert(InterruptHoldoffCount > 0); \
InterruptHoldoffCount--; \
} while(0)
do { \
Assert(InterruptHoldoffCount > 0); \
InterruptHoldoffCount--; \
} while(0)
#define START_CRIT_SECTION() (CritSectionCount++)
#define END_CRIT_SECTION() \
do { \
Assert(CritSectionCount > 0); \
CritSectionCount--; \
} while(0)
do { \
Assert(CritSectionCount > 0); \
CritSectionCount--; \
} while(0)
#define PG_DELAY(_msec) \
{ \
#define PG_USLEEP(_usec) \
do { \
#ifndef WIN32
/* This will overflow on systems with 32-bit ints for > ~2000 secs */ \
struct timeval delay; \
delay.tv_sec = (_msec) / 1000; \
delay.tv_usec = ((_msec) % 1000) * 1000; \
\
delay.tv_sec = (_usec) / 1000000; \
delay.tv_usec = ((_usec) % 1000000); \
(void) select(0, NULL, NULL, NULL, &delay); \
}
#else
Sleep(_usec < 500) ? 1 : (_usec+500)/ 1000);
#endif
} while(0)
/*****************************************************************************
* globals.h -- *