// // Cforall Version 1.0.0 Copyright (C) 2020 University of Waterloo // // The contents of this file are covered under the licence agreement in the // file "LICENCE" distributed with Cforall. // // iofwd.hfa -- // // Author : Thierry Delisle // Created On : Thu Apr 23 17:31:00 2020 // Last Modified By : // Last Modified On : // Update Count : // #pragma once #include extern "C" { #include #if CFA_HAVE_LINUX_IO_URING_H #include #endif } #include "bits/defs.hfa" #include "time.hfa" #if defined(CFA_HAVE_IOSQE_FIXED_FILE) #define CFA_IO_FIXED_FD1 IOSQE_FIXED_FILE #endif #if defined(CFA_HAVE_SPLICE_F_FD_IN_FIXED) #define CFA_IO_FIXED_FD2 SPLICE_F_FD_IN_FIXED #endif #if defined(CFA_HAVE_IOSQE_IO_DRAIN) #define CFA_IO_DRAIN IOSQE_IO_DRAIN #endif #if defined(CFA_HAVE_IOSQE_ASYNC) #define CFA_IO_ASYNC IOSQE_ASYNC #endif #if __OFF_T_MATCHES_OFF64_T typedef __off64_t off_t; #else typedef __off_t off_t; #endif typedef __off64_t off64_t; struct cluster; struct io_future_t; struct $io_context; struct iovec; struct msghdr; struct sockaddr; struct statx; struct epoll_event; //---------- // underlying calls extern struct $io_context * cfa_io_allocate(struct io_uring_sqe * out_sqes[], __u32 out_idxs[], __u32 want) __attribute__((nonnull (1,2))); extern void cfa_io_submit( struct $io_context * in_ctx, __u32 in_idxs[], __u32 have ) __attribute__((nonnull (1,2))); //---------- // synchronous calls #if defined(CFA_HAVE_PREADV2) extern ssize_t cfa_preadv2(int fd, const struct iovec *iov, int iovcnt, off_t offset, int flags, int submit_flags); #endif #if defined(CFA_HAVE_PWRITEV2) extern ssize_t cfa_pwritev2(int fd, const struct iovec *iov, int iovcnt, off_t offset, int flags, int submit_flags); #endif extern int cfa_fsync(int fd, int submit_flags); extern int cfa_epoll_ctl(int epfd, int op, int fd, struct epoll_event *event, int submit_flags); extern int cfa_sync_file_range(int fd, off64_t offset, off64_t nbytes, unsigned int flags, int submit_flags); extern ssize_t cfa_sendmsg(int sockfd, const struct msghdr *msg, int flags, int submit_flags); extern ssize_t cfa_recvmsg(int sockfd, struct msghdr *msg, int flags, int submit_flags); extern ssize_t cfa_send(int sockfd, const void *buf, size_t len, int flags, int submit_flags); extern ssize_t cfa_recv(int sockfd, void *buf, size_t len, int flags, int submit_flags); extern int cfa_accept4(int sockfd, struct sockaddr *addr, socklen_t *addrlen, int flags, int submit_flags); extern int cfa_connect(int sockfd, const struct sockaddr *addr, socklen_t addrlen, int submit_flags); extern int cfa_fallocate(int fd, int mode, off_t offset, off_t len, int submit_flags); extern int cfa_posix_fadvise(int fd, off_t offset, off_t len, int advice, int submit_flags); extern int cfa_madvise(void *addr, size_t length, int advice, int submit_flags); extern int cfa_openat(int dirfd, const char *pathname, int flags, mode_t mode, int submit_flags); #if defined(CFA_HAVE_OPENAT2) extern int cfa_openat2(int dirfd, const char *pathname, struct open_how * how, size_t size, int submit_flags); #endif extern int cfa_close(int fd, int submit_flags); #if defined(CFA_HAVE_STATX) extern int cfa_statx(int dirfd, const char *pathname, int flags, unsigned int mask, struct statx *statxbuf, int submit_flags); #endif extern ssize_t cfa_read(int fd, void * buf, size_t count, int submit_flags); extern ssize_t cfa_write(int fd, void * buf, size_t count, int submit_flags); extern ssize_t cfa_splice(int fd_in, loff_t *off_in, int fd_out, loff_t *off_out, size_t len, unsigned int flags, int submit_flags); extern ssize_t cfa_tee(int fd_in, int fd_out, size_t len, unsigned int flags, int submit_flags); //---------- // asynchronous calls #if defined(CFA_HAVE_PREADV2) extern void async_preadv2(io_future_t & future, int fd, const struct iovec *iov, int iovcnt, off_t offset, int flags, int submit_flags); #endif #if defined(CFA_HAVE_PWRITEV2) extern void async_pwritev2(io_future_t & future, int fd, const struct iovec *iov, int iovcnt, off_t offset, int flags, int submit_flags); #endif extern void async_fsync(io_future_t & future, int fd, int submit_flags); extern void async_epoll_ctl(io_future_t & future, int epfd, int op, int fd, struct epoll_event *event, int submit_flags); extern void async_sync_file_range(io_future_t & future, int fd, off64_t offset, off64_t nbytes, unsigned int flags, int submit_flags); extern void async_sendmsg(io_future_t & future, int sockfd, const struct msghdr *msg, int flags, int submit_flags); extern void async_recvmsg(io_future_t & future, int sockfd, struct msghdr *msg, int flags, int submit_flags); extern void async_send(io_future_t & future, int sockfd, const void *buf, size_t len, int flags, int submit_flags); extern void async_recv(io_future_t & future, int sockfd, void *buf, size_t len, int flags, int submit_flags); extern void async_accept4(io_future_t & future, int sockfd, struct sockaddr *addr, socklen_t *addrlen, int flags, int submit_flags); extern void async_connect(io_future_t & future, int sockfd, const struct sockaddr *addr, socklen_t addrlen, int submit_flags); extern void async_fallocate(io_future_t & future, int fd, int mode, off_t offset, off_t len, int submit_flags); extern void async_posix_fadvise(io_future_t & future, int fd, off_t offset, off_t len, int advice, int submit_flags); extern void async_madvise(io_future_t & future, void *addr, size_t length, int advice, int submit_flags); extern void async_openat(io_future_t & future, int dirfd, const char *pathname, int flags, mode_t mode, int submit_flags); #if defined(CFA_HAVE_OPENAT2) extern void async_openat2(io_future_t & future, int dirfd, const char *pathname, struct open_how * how, size_t size, int submit_flags); #endif extern void async_close(io_future_t & future, int fd, int submit_flags); #if defined(CFA_HAVE_STATX) extern void async_statx(io_future_t & future, int dirfd, const char *pathname, int flags, unsigned int mask, struct statx *statxbuf, int submit_flags); #endif void async_read(io_future_t & future, int fd, void * buf, size_t count, int submit_flags); extern void async_write(io_future_t & future, int fd, void * buf, size_t count, int submit_flags); extern void async_splice(io_future_t & future, int fd_in, loff_t *off_in, int fd_out, loff_t *off_out, size_t len, unsigned int flags, int submit_flags); extern void async_tee(io_future_t & future, int fd_in, int fd_out, size_t len, unsigned int flags, int submit_flags); //----------------------------------------------------------------------------- // Check if a function is blocks a only the user thread bool has_user_level_blocking( fptr_t func );