nrf_send()

ssize_t nrf_send	(	int	socket,
		const void *	buffer,
		size_t	length,
		int	flags )

#include <nrf_modem/include/nrf_socket.h>

Send a message on a connected socket.

See POSIX.1-2017 article for normative description.

In addition, the function may return -1 and set the following errno:

• [NRF_ESHUTDOWN] Modem was shut down.
• [NRF_ECANCELED] Operation canceled because of APN rate control.
• [NRF_ENOMEM] TCP stream interrupted because of no heap memory.
• [NRF_EPROTO] Request failed because DTLS context was serialized.
• [NRF_EBUSY] Earlier send request with the NRF_SO_SENDCB socket option set is still ongoing.
• [NRF_ECOMM] Data transmission with the NRF_MSG_WAITACK flag failed. Sending may be retried.