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Update fsync test to match new O_DIRECT behavior.

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Greg Smith
This commit is contained in:
Bruce Momjian 2006-11-23 16:41:11 +00:00
parent eb1fbbe5c4
commit 3455b0a5d5
1 changed files with 23 additions and 9 deletions
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32
src/tools/fsync/test_fsync.c
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@ -14,6 +14,7 @@
#include <time.h>
#include <sys/time.h>
#include <unistd.h>
#include <string.h>
#ifdef WIN32
#define FSYNC_FILENAME "./test_fsync.out"
@ -21,21 +22,34 @@
#define FSYNC_FILENAME "/var/tmp/test_fsync.out"
#endif
/* O_SYNC and O_FSYNC are the same */
#if defined(O_SYNC)
#define OPEN_SYNC_FLAG O_SYNC
#elif defined(O_FSYNC)
#define OPEN_SYNC_FLAG O_FSYNC
#elif defined(O_DSYNC)
#define OPEN_DATASYNC_FLAG O_DSYNC
/* This logic comes from src/backend/access/transam/xlog.c where it's
better documented */
#ifdef O_DIRECT
#define PG_O_DIRECT O_DIRECT
#else
#define PG_O_DIRECT 0
#endif
#if defined(O_SYNC)
#define BARE_OPEN_SYNC_FLAG O_SYNC
#elif defined(O_FSYNC)
#define BARE_OPEN_SYNC_FLAG O_FSYNC
#endif
#ifdef BARE_OPEN_SYNC_FLAG
#define OPEN_SYNC_FLAG (BARE_OPEN_SYNC_FLAG | PG_O_DIRECT)
#endif
#if defined(O_DSYNC)
#if defined(OPEN_SYNC_FLAG)
#if defined(O_DSYNC) && (O_DSYNC != OPEN_SYNC_FLAG)
#define OPEN_DATASYNC_FLAG O_DSYNC
#if O_DSYNC != BARE_OPEN_SYNC_FLAG
#define OPEN_DATASYNC_FLAG (O_DSYNC | PG_O_DIRECT)
#endif
#else
#define OPEN_DATASYNC_FLAG (O_DSYNC | PG_O_DIRECT)
#endif
#endif
#define WAL_FILE_SIZE (16 * 1024 * 1024)
void die(char *str);