net/: Versions of psock_send() and pock_sendto() should not set errno. That is taken care of at a higher level in the send()/sendto() implementation as appropriate.

This commit is contained in:
Gregory Nutt 2017-09-30 06:41:56 -06:00
parent 6c5f254a5b
commit 054b147114
4 changed files with 18 additions and 114 deletions

View File

@ -395,8 +395,8 @@ void ieee802154_poll(FAR struct net_driver_s *dev,
*
* Returned Value:
* On success, returns the number of characters sent. On error,
* -1 is returned, and errno is set appropriately. See sendto()
* for the complete list of return values.
* a negated errno value is retruend. See sendto() for the complete list
* of return values.
*
****************************************************************************/

View File

@ -427,8 +427,8 @@ errout:
*
* Returned Value:
* On success, returns the number of characters sent. On error,
* -1 is returned, and errno is set appropriately. See sendto()
* for the complete list of return values.
* a negated errno value is retruend. See sendto() for the complete list
* of return values.
*
****************************************************************************/
@ -440,15 +440,13 @@ ssize_t psock_ieee802154_sendto(FAR struct socket *psock, FAR const void *buf,
FAR struct radio_driver_s *radio;
FAR struct ieee802154_conn_s *conn;
struct ieee802154_sendto_s state;
int errcode;
int ret = OK;
/* Verify that the sockfd corresponds to valid, allocated socket */
if (psock == NULL || psock->s_crefs <= 0)
{
errcode = EBADF;
goto errout;
return -EBADF;
}
conn = (FAR struct ieee802154_conn_s *)psock->s_conn;
@ -460,8 +458,7 @@ ssize_t psock_ieee802154_sendto(FAR struct socket *psock, FAR const void *buf,
if (tolen < sizeof(struct ieee802154_saddr_s))
{
errcode = EDESTADDRREQ;
goto errout;
return -EDESTADDRREQ;
}
/* Get the device driver that will service this transfer */
@ -469,8 +466,7 @@ ssize_t psock_ieee802154_sendto(FAR struct socket *psock, FAR const void *buf,
radio = ieee802154_find_device(conn, &conn->laddr);
if (radio == NULL)
{
errcode = ENODEV;
goto errout;
return -ENODEV;
}
/* Set the socket state to sending */
@ -548,8 +544,7 @@ ssize_t psock_ieee802154_sendto(FAR struct socket *psock, FAR const void *buf,
if (state.is_sent < 0)
{
errcode = state.is_sent;
goto errout;
return state.is_sent;
}
/* If net_lockedwait failed, then we were probably reawakened by a signal. In
@ -558,17 +553,12 @@ ssize_t psock_ieee802154_sendto(FAR struct socket *psock, FAR const void *buf,
if (ret < 0)
{
errcode = -ret;
goto errout;
return ret;
}
/* Return the number of bytes actually sent */
return state.is_sent;
errout:
set_errno(errcode);
return ERROR;
}
#endif /* CONFIG_NET_IEEE802154 */

View File

@ -292,46 +292,8 @@ void pkt_poll(FAR struct net_driver_s *dev, FAR struct pkt_conn_s *conn);
*
* Returned Value:
* On success, returns the number of characters sent. On error,
* -1 is returned, and errno is set appropriately:
*
* EAGAIN or EWOULDBLOCK
* The socket is marked non-blocking and the requested operation
* would block.
* EBADF
* An invalid descriptor was specified.
* ECONNRESET
* Connection reset by peer.
* EDESTADDRREQ
* The socket is not connection-mode, and no peer address is set.
* EFAULT
* An invalid user space address was specified for a parameter.
* EINTR
* A signal occurred before any data was transmitted.
* EINVAL
* Invalid argument passed.
* EISCONN
* The connection-mode socket was connected already but a recipient
* was specified. (Now either this error is returned, or the recipient
* specification is ignored.)
* EMSGSIZE
* The socket type requires that message be sent atomically, and the
* size of the message to be sent made this impossible.
* ENOBUFS
* The output queue for a network interface was full. This generally
* indicates that the interface has stopped sending, but may be
* caused by transient congestion.
* ENOMEM
* No memory available.
* ENOTCONN
* The socket is not connected, and no target has been given.
* ENOTSOCK
* The argument s is not a socket.
* EPIPE
* The local end has been shut down on a connection oriented socket.
* In this case the process will also receive a SIGPIPE unless
* MSG_NOSIGNAL is set.
*
* Assumptions:
* a negated errno value is retruend. See send() for the complete list
* of return values.
*
****************************************************************************/

View File

@ -1,8 +1,7 @@
/****************************************************************************
* net/pkt/pkt_send.c
*
* Copyright (C) 2014, 2016 Gregory Nutt. All rights reserved.
* Copyright (C) 2014, 2016 Gregory Nutt. All rights reserved.
* Copyright (C) 2014, 2016-2017 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
@ -165,46 +164,8 @@ static uint16_t psock_send_eventhandler(FAR struct net_driver_s *dev,
*
* Returned Value:
* On success, returns the number of characters sent. On error,
* -1 is returned, and errno is set appropriately:
*
* EAGAIN or EWOULDBLOCK
* The socket is marked non-blocking and the requested operation
* would block.
* EBADF
* An invalid descriptor was specified.
* ECONNRESET
* Connection reset by peer.
* EDESTADDRREQ
* The socket is not connection-mode, and no peer address is set.
* EFAULT
* An invalid user space address was specified for a parameter.
* EINTR
* A signal occurred before any data was transmitted.
* EINVAL
* Invalid argument passed.
* EISCONN
* The connection-mode socket was connected already but a recipient
* was specified. (Now either this error is returned, or the recipient
* specification is ignored.)
* EMSGSIZE
* The socket type requires that message be sent atomically, and the
* size of the message to be sent made this impossible.
* ENOBUFS
* The output queue for a network interface was full. This generally
* indicates that the interface has stopped sending, but may be
* caused by transient congestion.
* ENOMEM
* No memory available.
* ENOTCONN
* The socket is not connected, and no target has been given.
* ENOTSOCK
* The argument s is not a socket.
* EPIPE
* The local end has been shut down on a connection oriented socket.
* In this case the process will also receive a SIGPIPE unless
* MSG_NOSIGNAL is set.
*
* Assumptions:
* a negated errno value is retruend. See send() for the complete list
* of return values.
*
****************************************************************************/
@ -213,15 +174,13 @@ ssize_t psock_pkt_send(FAR struct socket *psock, FAR const void *buf,
{
FAR struct net_driver_s *dev;
struct send_s state;
int errcode;
int ret = OK;
/* Verify that the sockfd corresponds to valid, allocated socket */
if (!psock || psock->s_crefs <= 0)
{
errcode = EBADF;
goto errout;
return -EBADF;
}
/* Get the device driver that will service this transfer */
@ -229,8 +188,7 @@ ssize_t psock_pkt_send(FAR struct socket *psock, FAR const void *buf,
dev = pkt_find_device((FAR struct pkt_conn_s *)psock->s_conn);
if (dev == NULL)
{
errcode = ENODEV;
goto errout;
return -ENODEV;
}
/* Set the socket state to sending */
@ -304,8 +262,7 @@ ssize_t psock_pkt_send(FAR struct socket *psock, FAR const void *buf,
if (state.snd_sent < 0)
{
errcode = state.snd_sent;
goto errout;
return state.snd_sent;
}
/* If net_lockedwait failed, then we were probably reawakened by a signal. In
@ -314,17 +271,12 @@ ssize_t psock_pkt_send(FAR struct socket *psock, FAR const void *buf,
if (ret < 0)
{
errcode = -ret;
goto errout;
return ret;
}
/* Return the number of bytes actually sent */
return state.snd_sent;
errout:
set_errno(errcode);
return ERROR;
}
#endif /* CONFIG_NET && CONFIG_NET_PKT */