/* * Copyright (C) 2016 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #ifndef _ASYNCIO_H #define _ASYNCIO_H #include <cstring> #include <cstdint> #include <linux/aio_abi.h> #include <sys/cdefs.h> #include <sys/types.h> #include <time.h> #include <unistd.h> #ifdef __cplusplus extern "C" { #endif /** * Provides kernel aio operations. */ int io_setup(unsigned nr, aio_context_t* ctxp); int io_destroy(aio_context_t ctx); int io_submit(aio_context_t ctx, long nr, iocb** iocbpp); int io_getevents(aio_context_t ctx, long min_nr, long max_nr, io_event* events, timespec* timeout); int io_cancel(aio_context_t ctx, iocb*, io_event* result); void io_prep(iocb* iocb, int fd, const void* buf, uint64_t count, int64_t offset, bool read); #ifdef __cplusplus }; #endif #endif // ASYNCIO_H