1 #ifndef KVM_READ_WRITE_H 2 #define KVM_READ_WRITE_H 3 4 #include <sys/types.h> 5 #include <sys/uio.h> 6 #include <unistd.h> 7 8 #ifdef CONFIG_HAS_AIO 9 #include <libaio.h> 10 #endif 11 12 ssize_t xread(int fd, void *buf, size_t count); 13 ssize_t xwrite(int fd, const void *buf, size_t count); 14 15 ssize_t read_in_full(int fd, void *buf, size_t count); 16 ssize_t write_in_full(int fd, const void *buf, size_t count); 17 18 ssize_t xpread(int fd, void *buf, size_t count, off_t offset); 19 ssize_t xpwrite(int fd, const void *buf, size_t count, off_t offset); 20 21 ssize_t pread_in_full(int fd, void *buf, size_t count, off_t offset); 22 ssize_t pwrite_in_full(int fd, const void *buf, size_t count, off_t offset); 23 24 ssize_t xreadv(int fd, const struct iovec *iov, int iovcnt); 25 ssize_t xwritev(int fd, const struct iovec *iov, int iovcnt); 26 27 ssize_t readv_in_full(int fd, const struct iovec *iov, int iovcnt); 28 ssize_t writev_in_full(int fd, const struct iovec *iov, int iovcnt); 29 30 ssize_t xpreadv(int fd, const struct iovec *iov, int iovcnt, off_t offset); 31 ssize_t xpwritev(int fd, const struct iovec *iov, int iovcnt, off_t offset); 32 33 ssize_t preadv_in_full(int fd, const struct iovec *iov, int iovcnt, off_t offset); 34 ssize_t pwritev_in_full(int fd, const struct iovec *iov, int iovcnt, off_t offset); 35 36 #ifdef CONFIG_HAS_AIO 37 int aio_preadv(io_context_t ctx, struct iocb *iocb, int fd, const struct iovec *iov, int iovcnt, 38 off_t offset, int ev, void *param); 39 int aio_pwritev(io_context_t ctx, struct iocb *iocb, int fd, const struct iovec *iov, int iovcnt, 40 off_t offset, int ev, void *param); 41 #endif 42 43 #endif /* KVM_READ_WRITE_H */ 44