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netwrite(3)

LCG

liblcgdm-dev

LCG Data Management common development files

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
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