NAME¶

netwrite - send a message on a socket

SYNOPSIS¶

#include "net.h"

int netwrite (int s, char *buf, int nbytes);

ssize_t netwrite_timeout (int s, void *buf, size_t nbytes, int timeout);

DESCRIPTION¶

netwrite sends a message on a socket.

RETURN VALUE¶

This routine returns the number of bytes if the operation was successful, 0 if the connection was closed by the remote end or -1 if the operation failed. In the latter case, serrno is set appropriately.

ERRORS¶

EINTR

The function was interrupted by a signal.

EBADF

s is not a valid descriptor.

EAGAIN

The socket is non-blocking and there is no space available in the system buffers for the message.

EFAULT

buf is not a valid pointer.

EINVAL

nbytes is negative or zero.

ENOTSOCK

s is not a socket.

SECONNDROP

Connection closed by remote end.

SETIMEDOUT

Timed out.

SEE ALSO¶

send(2), neterror(3)

AUTHOR¶

LCG Grid Deployment Team