aio_win32.h

Go to the documentation of this file.

/*
 * Copyright (C) 1996-2023 The Squid Software Foundation and contributors
 *
 * Squid software is distributed under GPLv2+ license and includes
 * contributions from numerous individuals and organizations.
 * Please see the COPYING and CONTRIBUTORS files for details.
 */
 
#ifndef SQUID_SRC_DISKIO_AIO_AIO_WIN32_H
#define SQUID_SRC_DISKIO_AIO_AIO_WIN32_H
 
#if HAVE_DISKIO_MODULE_AIO
 
#ifndef off64_t
typedef int64_t off64_t;
#endif
 
#if _SQUID_WINDOWS_
 
union sigval {
    int sival_int; /* integer value */
    void *sival_ptr; /* pointer value */
};
 
struct sigevent {
    int sigev_notify; /* notification mode */
    int sigev_signo; /* signal number */
    union sigval sigev_value; /* signal value */
};
 
// #endif
 
struct aiocb64 {
    int aio_fildes; /* file descriptor */
    void *aio_buf; /* buffer location */
    size_t aio_nbytes; /* length of transfer */
    off64_t aio_offset; /* file offset */
    int aio_reqprio; /* request priority offset */
 
    struct sigevent aio_sigevent; /* signal number and offset */
    int aio_lio_opcode; /* listio operation */
};
 
struct aiocb {
    int aio_fildes; /* file descriptor */
    void *aio_buf; /* buffer location */
    size_t aio_nbytes; /* length of transfer */
#if (_FILE_OFFSET_BITS == 64)
 
    off64_t aio_offset; /* file offset */
#else
 
    off_t aio_offset; /* file offset */
#endif
 
    int aio_reqprio; /* request priority offset */
 
    struct sigevent aio_sigevent; /* signal number and offset */
    int aio_lio_opcode; /* listio operation */
};
 
int aio_read(struct aiocb *);
 
int aio_write(struct aiocb *);
 
ssize_t aio_return(struct aiocb *);
 
int aio_error(const struct aiocb *);
 
int aio_read64(struct aiocb64 *);
 
int aio_write64(struct aiocb64 *);
 
ssize_t aio_return64(struct aiocb64 *);
 
int aio_error64(const struct aiocb64 *);
int aio_open(const char *, int);
void aio_close(int);
 
#endif /* _SQUID_WINDOWS_ */
#endif /* HAVE_DISKIO_MODULE_AIO */
#endif /* SQUID_SRC_DISKIO_AIO_AIO_WIN32_H */