| 1 | //
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| 2 | // Cforall Version 1.0.0 Copyright (C) 2020 University of Waterloo
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| 3 | //
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| 4 | // The contents of this file are covered under the licence agreement in the
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| 5 | // file "LICENCE" distributed with Cforall.
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| 6 | //
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| 7 | // iofwd.hfa --
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| 8 | //
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| 9 | // Author : Thierry Delisle
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| 10 | // Created On : Thu Apr 23 17:31:00 2020
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| 11 | // Last Modified By :
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| 12 | // Last Modified On :
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| 13 | // Update Count :
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| 14 | //
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| 15 |
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| 16 | #pragma once
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| 17 |
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| 18 | #include <unistd.h>
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| 19 | extern "C" {
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| 20 | #include <sys/types.h>
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| 21 | #if CFA_HAVE_LINUX_IO_URING_H
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| 22 | #include <linux/io_uring.h>
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| 23 | #endif
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| 24 | }
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| 25 | #include "bits/defs.hfa"
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| 26 | #include "time.hfa"
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| 27 |
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| 28 | #if defined(CFA_HAVE_IOSQE_FIXED_FILE)
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| 29 | #define CFA_IO_FIXED_FD1 IOSQE_FIXED_FILE
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| 30 | #endif
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| 31 | #if defined(CFA_HAVE_SPLICE_F_FD_IN_FIXED)
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| 32 | #define CFA_IO_FIXED_FD2 SPLICE_F_FD_IN_FIXED
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| 33 | #endif
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| 34 | #if defined(CFA_HAVE_IOSQE_IO_DRAIN)
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| 35 | #define CFA_IO_DRAIN IOSQE_IO_DRAIN
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| 36 | #endif
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| 37 | #if defined(CFA_HAVE_IOSQE_ASYNC)
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| 38 | #define CFA_IO_ASYNC IOSQE_ASYNC
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| 39 | #endif
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| 40 |
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| 41 | #if __OFF_T_MATCHES_OFF64_T
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| 42 | typedef __off64_t off_t;
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| 43 | #else
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| 44 | typedef __off_t off_t;
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| 45 | #endif
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| 46 | typedef __off64_t off64_t;
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| 47 |
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| 48 | struct cluster;
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| 49 | struct io_future_t;
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| 50 | struct io_context;
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| 51 | struct io_cancellation;
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| 52 |
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| 53 | struct iovec;
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| 54 | struct msghdr;
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| 55 | struct sockaddr;
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| 56 | struct statx;
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| 57 |
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| 58 | //----------
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| 59 | // synchronous calls
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| 60 | #if defined(CFA_HAVE_PREADV2)
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| 61 | extern ssize_t cfa_preadv2(int fd, const struct iovec *iov, int iovcnt, off_t offset, int flags, int submit_flags, Duration timeout, io_cancellation * cancellation, io_context * context);
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| 62 | #endif
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| 63 | #if defined(CFA_HAVE_PWRITEV2)
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| 64 | extern ssize_t cfa_pwritev2(int fd, const struct iovec *iov, int iovcnt, off_t offset, int flags, int submit_flags, Duration timeout, io_cancellation * cancellation, io_context * context);
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| 65 | #endif
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| 66 | extern int cfa_fsync(int fd, int submit_flags, Duration timeout, io_cancellation * cancellation, io_context * context);
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| 67 | extern int cfa_epoll_ctl(int epfd, int op, int fd, struct epoll_event *event, int submit_flags, Duration timeout, io_cancellation * cancellation, io_context * context);
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| 68 | extern int cfa_sync_file_range(int fd, off64_t offset, off64_t nbytes, unsigned int flags, int submit_flags, Duration timeout, io_cancellation * cancellation, io_context * context);
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| 69 | extern ssize_t cfa_sendmsg(int sockfd, const struct msghdr *msg, int flags, int submit_flags, Duration timeout, io_cancellation * cancellation, io_context * context);
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| 70 | extern ssize_t cfa_recvmsg(int sockfd, struct msghdr *msg, int flags, int submit_flags, Duration timeout, io_cancellation * cancellation, io_context * context);
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| 71 | extern ssize_t cfa_send(int sockfd, const void *buf, size_t len, int flags, int submit_flags, Duration timeout, io_cancellation * cancellation, io_context * context);
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| 72 | extern ssize_t cfa_recv(int sockfd, void *buf, size_t len, int flags, int submit_flags, Duration timeout, io_cancellation * cancellation, io_context * context);
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| 73 | extern int cfa_accept4(int sockfd, struct sockaddr *addr, socklen_t *addrlen, int flags, int submit_flags, Duration timeout, io_cancellation * cancellation, io_context * context);
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| 74 | extern int cfa_connect(int sockfd, const struct sockaddr *addr, socklen_t addrlen, int submit_flags, Duration timeout, io_cancellation * cancellation, io_context * context);
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| 75 | extern int cfa_fallocate(int fd, int mode, off_t offset, off_t len, int submit_flags, Duration timeout, io_cancellation * cancellation, io_context * context);
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| 76 | extern int cfa_posix_fadvise(int fd, off_t offset, off_t len, int advice, int submit_flags, Duration timeout, io_cancellation * cancellation, io_context * context);
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| 77 | extern int cfa_madvise(void *addr, size_t length, int advice, int submit_flags, Duration timeout, io_cancellation * cancellation, io_context * context);
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| 78 | extern int cfa_openat(int dirfd, const char *pathname, int flags, mode_t mode, int submit_flags, Duration timeout, io_cancellation * cancellation, io_context * context);
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| 79 | #if defined(CFA_HAVE_OPENAT2)
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| 80 | extern int cfa_openat2(int dirfd, const char *pathname, struct open_how * how, size_t size, int submit_flags, Duration timeout, io_cancellation * cancellation, io_context * context);
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| 81 | #endif
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| 82 | extern int cfa_close(int fd, int submit_flags, Duration timeout, io_cancellation * cancellation, io_context * context);
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| 83 | #if defined(CFA_HAVE_STATX)
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| 84 | extern int cfa_statx(int dirfd, const char *pathname, int flags, unsigned int mask, struct statx *statxbuf, int submit_flags, Duration timeout, io_cancellation * cancellation, io_context * context);
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| 85 | #endif
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| 86 | extern ssize_t cfa_read(int fd, void * buf, size_t count, int submit_flags, Duration timeout, io_cancellation * cancellation, io_context * context);
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| 87 | extern ssize_t cfa_write(int fd, void * buf, size_t count, int submit_flags, Duration timeout, io_cancellation * cancellation, io_context * context);
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| 88 | 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, Duration timeout, io_cancellation * cancellation, io_context * context);
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| 89 | extern ssize_t cfa_tee(int fd_in, int fd_out, size_t len, unsigned int flags, int submit_flags, Duration timeout, io_cancellation * cancellation, io_context * context);
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| 90 |
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| 91 | //----------
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| 92 | // asynchronous calls
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| 93 | #if defined(CFA_HAVE_PREADV2)
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| 94 | extern void async_preadv2(io_future_t & future, int fd, const struct iovec *iov, int iovcnt, off_t offset, int flags, int submit_flags, io_cancellation * cancellation, io_context * context);
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| 95 | #endif
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| 96 | #if defined(CFA_HAVE_PWRITEV2)
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| 97 | extern void async_pwritev2(io_future_t & future, int fd, const struct iovec *iov, int iovcnt, off_t offset, int flags, int submit_flags, io_cancellation * cancellation, io_context * context);
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| 98 | #endif
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| 99 | extern void async_fsync(io_future_t & future, int fd, int submit_flags, io_cancellation * cancellation, io_context * context);
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| 100 | extern void async_epoll_ctl(io_future_t & future, int epfd, int op, int fd, struct epoll_event *event, int submit_flags, io_cancellation * cancellation, io_context * context);
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| 101 | extern void async_sync_file_range(io_future_t & future, int fd, off64_t offset, off64_t nbytes, unsigned int flags, int submit_flags, io_cancellation * cancellation, io_context * context);
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| 102 | extern void async_sendmsg(io_future_t & future, int sockfd, const struct msghdr *msg, int flags, int submit_flags, io_cancellation * cancellation, io_context * context);
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| 103 | extern void async_recvmsg(io_future_t & future, int sockfd, struct msghdr *msg, int flags, int submit_flags, io_cancellation * cancellation, io_context * context);
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| 104 | extern void async_send(io_future_t & future, int sockfd, const void *buf, size_t len, int flags, int submit_flags, io_cancellation * cancellation, io_context * context);
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| 105 | extern void async_recv(io_future_t & future, int sockfd, void *buf, size_t len, int flags, int submit_flags, io_cancellation * cancellation, io_context * context);
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| 106 | extern void async_accept4(io_future_t & future, int sockfd, struct sockaddr *addr, socklen_t *addrlen, int flags, int submit_flags, io_cancellation * cancellation, io_context * context);
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| 107 | extern void async_connect(io_future_t & future, int sockfd, const struct sockaddr *addr, socklen_t addrlen, int submit_flags, io_cancellation * cancellation, io_context * context);
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| 108 | extern void async_fallocate(io_future_t & future, int fd, int mode, off_t offset, off_t len, int submit_flags, io_cancellation * cancellation, io_context * context);
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| 109 | extern void async_posix_fadvise(io_future_t & future, int fd, off_t offset, off_t len, int advice, int submit_flags, io_cancellation * cancellation, io_context * context);
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| 110 | extern void async_madvise(io_future_t & future, void *addr, size_t length, int advice, int submit_flags, io_cancellation * cancellation, io_context * context);
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| 111 | extern void async_openat(io_future_t & future, int dirfd, const char *pathname, int flags, mode_t mode, int submit_flags, io_cancellation * cancellation, io_context * context);
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| 112 | #if defined(CFA_HAVE_OPENAT2)
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| 113 | extern void async_openat2(io_future_t & future, int dirfd, const char *pathname, struct open_how * how, size_t size, int submit_flags, io_cancellation * cancellation, io_context * context);
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| 114 | #endif
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| 115 | extern void async_close(io_future_t & future, int fd, int submit_flags, io_cancellation * cancellation, io_context * context);
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| 116 | #if defined(CFA_HAVE_STATX)
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| 117 | extern void async_statx(io_future_t & future, int dirfd, const char *pathname, int flags, unsigned int mask, struct statx *statxbuf, int submit_flags, io_cancellation * cancellation, io_context * context);
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| 118 | #endif
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| 119 | void async_read(io_future_t & future, int fd, void * buf, size_t count, int submit_flags, io_cancellation * cancellation, io_context * context);
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| 120 | extern void async_write(io_future_t & future, int fd, void * buf, size_t count, int submit_flags, io_cancellation * cancellation, io_context * context);
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| 121 | 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, io_cancellation * cancellation, io_context * context);
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| 122 | extern void async_tee(io_future_t & future, int fd_in, int fd_out, size_t len, unsigned int flags, int submit_flags, io_cancellation * cancellation, io_context * context);
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| 123 |
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| 124 |
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| 125 | //-----------------------------------------------------------------------------
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| 126 | // Check if a function is blocks a only the user thread
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| 127 | bool has_user_level_blocking( fptr_t func );
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| 128 |
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| 129 | //-----------------------------------------------------------------------------
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| 130 | void register_fixed_files( io_context & ctx , int * files, unsigned count );
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| 131 | void register_fixed_files( cluster & cltr, int * files, unsigned count );
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