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Overview
| Comment: | Change the SQLITE_NO_SYNC compile-time option to call fstat() in place of fsync() rather than being a total no-op. |
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| SHA1: |
f64ea8a052af9790d5e6987cbd5e81d7 |
| User & Date: | drh 2015-12-02 02:33:36 |
Context
|
2015-12-02
| ||
| 13:11 | Minor simplifications to the unix VFS. check-in: 2f13c16b user: drh tags: trunk | |
| 02:33 | Change the SQLITE_NO_SYNC compile-time option to call fstat() in place of fsync() rather than being a total no-op. check-in: f64ea8a0 user: drh tags: trunk | |
| 02:08 | Fix a (harmless) off-by-one error in the unix VFS logic that fsync()s a directory after deleting a file. check-in: 3d02711a user: drh tags: trunk | |
Changes
Changes to src/os_unix.c.
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*/
#ifdef SQLITE_TEST
if( fullSync ) sqlite3_fullsync_count++;
sqlite3_sync_count++;
#endif
/* If we compiled with the SQLITE_NO_SYNC flag, then syncing is a
** no-op
*/
#ifdef SQLITE_NO_SYNC
rc = SQLITE_OK;
#elif HAVE_FULLFSYNC
if( fullSync ){
rc = osFcntl(fd, F_FULLFSYNC, 0);
}else{
rc = 1;
}
/* If the FULLFSYNC failed, fall back to attempting an fsync().
|
| > > < > > > > |
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*/ #ifdef SQLITE_TEST if( fullSync ) sqlite3_fullsync_count++; sqlite3_sync_count++; #endif /* If we compiled with the SQLITE_NO_SYNC flag, then syncing is a ** no-op. But go ahead and call fstat() to validate the file ** descriptor as we need a method to provoke a failure during ** coverate testing. */ #ifdef SQLITE_NO_SYNC { struct stat buf; rc = osFstat(fd, &buf); } #elif HAVE_FULLFSYNC if( fullSync ){ rc = osFcntl(fd, F_FULLFSYNC, 0); }else{ rc = 1; } /* If the FULLFSYNC failed, fall back to attempting an fsync(). |