sortix-mirror/kernel/include/sortix/kernel/pipe.h

65 lines
1.9 KiB
C++

/*
* Copyright (c) 2011, 2012, 2013, 2014, 2017, 2021 Jonas 'Sortie' Termansen.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* sortix/kernel/pipe.h
* Embeddedable one-way data stream.
*/
#ifndef INCLUDE_SORTIX_KERNEL_PIPE_H
#define INCLUDE_SORTIX_KERNEL_PIPE_H
#include <sys/types.h>
#include <sortix/kernel/ioctx.h>
#include <sortix/kernel/poll.h>
struct msghdr;
struct iovec;
namespace Sortix {
class PipeChannel;
class PipeEndpoint
{
public:
PipeEndpoint();
~PipeEndpoint();
bool Connect(PipeEndpoint* destination);
void Disconnect();
bool GetSIGPIPEDelivery();
bool SetSIGPIPEDelivery(bool deliver_sigpipe);
size_t Size();
bool Resize(size_t new_size);
bool pass();
void unpass();
ssize_t readv(ioctx_t* ctx, const struct iovec* iov, int iovcnt);
ssize_t recv(ioctx_t* ctx, uint8_t* buf, size_t count, int flags);
ssize_t recvmsg(ioctx_t* ctx, struct msghdr* msg, int flags);
ssize_t send(ioctx_t* ctx, const uint8_t* buf, size_t count, int flags);
ssize_t sendmsg(ioctx_t* ctx, const struct msghdr* msg, int flags);
ssize_t writev(ioctx_t* ctx, const struct iovec* iov, int iovcnt);
int poll(ioctx_t* ctx, PollNode* node);
private:
PipeChannel* channel;
bool reading;
};
} // namespace Sortix
#endif