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77 lines
1.6 KiB
C++
77 lines
1.6 KiB
C++
#pragma once
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#include <boost/noncopyable.hpp>
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#if defined(OS_LINUX)
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/// https://stackoverflow.com/questions/20759750/resolving-redefinition-of-timespec-in-time-h
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# define timespec linux_timespec
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# define timeval linux_timeval
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# define itimerspec linux_itimerspec
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# define sigset_t linux_sigset_t
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# include <linux/aio_abi.h>
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# undef timespec
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# undef timeval
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# undef itimerspec
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# undef sigset_t
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/** Small wrappers for asynchronous I/O.
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*/
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int io_setup(unsigned nr, aio_context_t * ctxp);
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int io_destroy(aio_context_t ctx);
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/// last argument is an array of pointers technically speaking
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int io_submit(aio_context_t ctx, long nr, struct iocb * iocbpp[]);
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int io_getevents(aio_context_t ctx, long min_nr, long max_nr, io_event * events, struct timespec * timeout);
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struct AIOContext : private boost::noncopyable
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{
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aio_context_t ctx;
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AIOContext(unsigned int nr_events = 128);
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~AIOContext();
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};
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#elif defined(OS_FREEBSD)
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# include <aio.h>
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# include <sys/event.h>
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# include <sys/time.h>
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# include <sys/types.h>
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typedef struct kevent io_event;
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typedef int aio_context_t;
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struct iocb
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{
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struct aiocb aio;
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long aio_data;
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};
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int io_setup(void);
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int io_destroy(void);
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/// last argument is an array of pointers technically speaking
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int io_submit(int ctx, long nr, struct iocb * iocbpp[]);
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int io_getevents(int ctx, long min_nr, long max_nr, struct kevent * events, struct timespec * timeout);
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struct AIOContext : private boost::noncopyable
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{
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int ctx;
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AIOContext(unsigned int nr_events = 128);
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~AIOContext();
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};
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#endif
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