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src/backend/storage/aio/method_sync.c
47 строк
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Bruce Momjian
Update copyright for 2026
01 янв 2026, 21:24
01 янв 2026, 21:24
451c439
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/*------------------------------------------------------------------------- * * method_sync.c * AIO - perform "AIO" by executing it synchronously * * This method is mainly to check if AIO use causes regressions. Other IO * methods might also fall back to the synchronous method for functionality * they cannot provide. * * Portions Copyright (c) 1996-2026, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * * IDENTIFICATION * src/backend/storage/aio/method_sync.c * *------------------------------------------------------------------------- */ #include "postgres.h" #include "storage/aio.h" #include "storage/aio_internal.h" static bool pgaio_sync_needs_synchronous_execution(PgAioHandle *ioh); static int pgaio_sync_submit(uint16 num_staged_ios, PgAioHandle **staged_ios); const IoMethodOps pgaio_sync_ops = { .needs_synchronous_execution = pgaio_sync_needs_synchronous_execution, .submit = pgaio_sync_submit, }; static bool pgaio_sync_needs_synchronous_execution(PgAioHandle *ioh) { return true; } static int pgaio_sync_submit(uint16 num_staged_ios, PgAioHandle **staged_ios) { elog(ERROR, "IO should have been executed synchronously"); return 0; }