linux/net/core/stream.c

// SPDX-License-Identifier: GPL-2.0
/*
 *     SUCS NET3:
 *
 *     Generic stream handling routines. These are generic for most
 *     protocols. Even IP. Tonight 8-).
 *     This is used because TCP, LLC (others too) layer all have mostly
 *     identical sendmsg() and recvmsg() code.
 *     So we (will) share it here.
 *
 *     Authors:        Arnaldo Carvalho de Melo <[email protected]>
 *                     (from old tcp.c code)
 *                     Alan Cox <[email protected]> (Borrowed comments 8-))
 */

#include <linux/module.h>
#include <linux/sched/signal.h>
#include <linux/net.h>
#include <linux/signal.h>
#include <linux/tcp.h>
#include <linux/wait.h>
#include <net/sock.h>

/**
 * sk_stream_write_space - stream socket write_space callback.
 * @sk: socket
 *
 * FIXME: write proper description
 */
void sk_stream_write_space(struct sock *sk)
{ … }

/**
 * sk_stream_wait_connect - Wait for a socket to get into the connected state
 * @sk: sock to wait on
 * @timeo_p: for how long to wait
 *
 * Must be called with the socket locked.
 */
int sk_stream_wait_connect(struct sock *sk, long *timeo_p)
{ … }
EXPORT_SYMBOL(…);

/**
 * sk_stream_closing - Return 1 if we still have things to send in our buffers.
 * @sk: socket to verify
 */
static int sk_stream_closing(const struct sock *sk)
{ … }

void sk_stream_wait_close(struct sock *sk, long timeout)
{ … }
EXPORT_SYMBOL(…);

/**
 * sk_stream_wait_memory - Wait for more memory for a socket
 * @sk: socket to wait for memory
 * @timeo_p: for how long
 */
int sk_stream_wait_memory(struct sock *sk, long *timeo_p)
{ … }
EXPORT_SYMBOL(…);

int sk_stream_error(struct sock *sk, int flags, int err)
{ … }
EXPORT_SYMBOL(…);

void sk_stream_kill_queues(struct sock *sk)
{ … }
EXPORT_SYMBOL(…);