sqliteOsOpenExclusive  168 ext/sqlite/libsqlite/src/os.h int sqliteOsOpenExclusive(const char*, OsFile*, int);
sqliteOsOpenExclusive  901 ext/sqlite/libsqlite/src/pager.c     rc = sqliteOsOpenExclusive(zFile, fd, 1);
sqliteOsOpenExclusive 1645 ext/sqlite/libsqlite/src/pager.c   rc = sqliteOsOpenExclusive(pPager->zJournal, &pPager->jfd,pPager->tempFile);