94 lines
2.3 KiB
C
94 lines
2.3 KiB
C
|
/****************************************************************
|
||
|
|
* *
|
||
|
|
* Copyright 2003, 2009 Fidelity Information Services, Inc *
|
||
|
|
* *
|
||
|
|
* This source code contains the intellectual property *
|
||
|
|
* of its copyright holder(s), and is made available *
|
||
|
|
* under a license. If you do not know the terms of *
|
||
|
|
* the license, please stop and do not read further. *
|
||
|
|
* *
|
||
|
|
****************************************************************/
|
||
|
|
#ifndef GTM_AIO_H
|
||
|
|
#define GTM_AIO_H
|
||
|
|
|
||
|
|
#ifndef __CYGWIN__
|
||
|
|
#include <aio.h>
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if defined(__CYGWIN__) && !defined(AIO_CANCELED)
|
||
|
|
|
||
|
|
/* minimal just to satisfy mur_init.c and mur_read_file.h.
|
||
|
|
* More would be needed if MUR_USE_AIO were defined */
|
||
|
|
|
||
|
|
struct aiocb {
|
||
|
|
int aio_fildes;
|
||
|
|
volatile void *aio_buf;
|
||
|
|
size_t aio_nbytes;
|
||
|
|
off_t aio_offset;
|
||
|
|
size_t aio_bytesread;
|
||
|
|
int aio_errno;
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif /* __CYGWIN__ empty aio.h */
|
||
|
|
|
||
|
|
#define AIO_POLL_SLEEP_TIME 10 /* 10 msec */
|
||
|
|
|
||
|
|
#if defined(_AIX)
|
||
|
|
|
||
|
|
#define AIO_READ(FD, AIOCBP, STATUS1, STATUS2) \
|
||
|
|
{ \
|
||
|
|
STATUS2 = SS_NORMAL; \
|
||
|
|
(AIOCBP)->aio_whence = SEEK_SET; \
|
||
|
|
do \
|
||
|
|
{ \
|
||
|
|
STATUS1 = aio_read(FD, AIOCBP); \
|
||
|
|
} while(-1 == STATUS1 && EAGAIN == errno); \
|
||
|
|
if (-1 == STATUS1) \
|
||
|
|
STATUS1 = errno; \
|
||
|
|
}
|
||
|
|
|
||
|
|
#define AIO_ERROR(AIOCBP, STATUS) \
|
||
|
|
{ \
|
||
|
|
while ((STATUS = aio_error((AIOCBP)->aio_handle)) == EINPROGRESS) \
|
||
|
|
SHORT_SLEEP(AIO_POLL_SLEEP_TIME); \
|
||
|
|
}
|
||
|
|
|
||
|
|
#define AIO_RETURN(AIOCBP, STATUS) \
|
||
|
|
{ \
|
||
|
|
STATUS = aio_return((AIOCBP)->aio_handle); \
|
||
|
|
}
|
||
|
|
|
||
|
|
#else
|
||
|
|
/* Non-AIX */
|
||
|
|
#define AIO_READ(FD, AIOCBP, STATUS1, STATUS2) \
|
||
|
|
{ \
|
||
|
|
STATUS2 = SS_NORMAL; \
|
||
|
|
AIOCBP->aio_fildes = FD; \
|
||
|
|
do \
|
||
|
|
{ \
|
||
|
|
STATUS1 = aio_read(AIOCBP); \
|
||
|
|
} while(-1 == STATUS1 && EAGAIN == errno); \
|
||
|
|
if (-1 == STATUS1) \
|
||
|
|
STATUS1 = errno; \
|
||
|
|
}
|
||
|
|
|
||
|
|
#define AIO_ERROR(AIOCBP, STATUS) \
|
||
|
|
{ \
|
||
|
|
while ((STATUS = aio_error(AIOCBP)) == EINPROGRESS) \
|
||
|
|
SHORT_SLEEP(AIO_POLL_SLEEP_TIME); \
|
||
|
|
}
|
||
|
|
|
||
|
|
#define AIO_RETURN(AIOCBP, STATUS) \
|
||
|
|
{ \
|
||
|
|
STATUS = aio_return(AIOCBP); \
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#define AIO_CANCEL(FD, AIOCBP, STATUS) \
|
||
|
|
{ \
|
||
|
|
STATUS = aio_cancel(FD, AIOCBP); \
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif
|