//
// 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

extern "C" {
	#include <sys/types.h>
}

extern ssize_t cfa_preadv2(int fd, const struct iovec *iov, int iovcnt, off_t offset, int flags);
extern ssize_t cfa_pwritev2(int fd, const struct iovec *iov, int iovcnt, off_t offset, int flags);
extern int cfa_fsync(int fd);
extern int cfa_sync_file_range(int fd, int64_t offset, int64_t nbytes, unsigned int flags);
extern ssize_t cfa_sendmsg(int sockfd, const struct msghdr *msg, int flags);
extern ssize_t cfa_recvmsg(int sockfd, struct msghdr *msg, int flags);
extern ssize_t cfa_send(int sockfd, const void *buf, size_t len, int flags);
extern ssize_t cfa_recv(int sockfd, void *buf, size_t len, int flags);
extern int cfa_accept4(int sockfd, struct sockaddr *addr, socklen_t *addrlen, int flags);
extern int cfa_connect(int sockfd, const struct sockaddr *addr, socklen_t addrlen);
extern int cfa_fallocate(int fd, int mode, uint64_t offset, uint64_t len);
extern int cfa_fadvise(int fd, uint64_t offset, uint64_t len, int advice);
extern int cfa_madvise(void *addr, size_t length, int advice);
extern int cfa_openat(int dirfd, const char *pathname, int flags, mode_t mode);
extern int cfa_close(int fd);
extern int cfa_statx(int dirfd, const char *pathname, int flags, unsigned int mask, struct statx *statxbuf);
extern ssize_t cfa_read(int fd, void *buf, size_t count);
extern ssize_t cfa_write(int fd, void *buf, size_t count);
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);
extern ssize_t cfa_tee(int fd_in, int fd_out, size_t len, unsigned int flags);
extern ssize_t cfa_sendfile(int out_fd, int in_fd, off_t *offset, size_t count);

//-----------------------------------------------------------------------------
// Check if a function is blocks a only the user thread
bool has_user_level_blocking( fptr_t func );