mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-09-30 21:50:49 +00:00
33 lines
781 B
C++
33 lines
781 B
C++
|
#pragma once
|
||
|
|
|
||
|
|
#if !(defined(__FreeBSD__) || defined(__APPLE__) || defined(_MSC_VER))
|
||
|
|
|
||
|
|
/// https://stackoverflow.com/questions/20759750/resolving-redefinition-of-timespec-in-time-h
|
||
|
|
#define timespec linux_timespec
|
||
|
|
#include <linux/aio_abi.h>
|
||
|
|
#undef timespec
|
||
|
|
|
||
|
|
|
||
|
|
/** Small wrappers for asynchronous I/O.
|
||
|
|
*/
|
||
|
|
|
||
|
|
int io_setup(unsigned nr, aio_context_t * ctxp);
|
||
|
|
|
||
|
|
int io_destroy(aio_context_t ctx);
|
||
|
|
|
||
|
|
/// last argument is an array of pointers technically speaking
|
||
|
|
int io_submit(aio_context_t ctx, long nr, struct iocb * iocbpp[]);
|
||
|
|
|
||
|
|
int io_getevents(aio_context_t ctx, long min_nr, long max_nr, io_event * events, struct timespec * timeout);
|
||
|
|
|
||
|
|
|
||
|
|
struct AIOContext : private boost::noncopyable
|
||
|
|
{
|
||
|
|
aio_context_t ctx;
|
||
|
|
|
||
|
|
AIOContext(unsigned int nr_events = 128);
|
||
|
|
~AIOContext();
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif
|