SYNOPSIS

int modbus_get_response_timeout(modbus_t *ctx, struct timeval *timeout);

DESCRIPTION

The modbus_get_response_timeout() function shall store the timeout interval used to wait for a response in the timeout argument.

RETURN VALUE

The function shall return 0 if successful. Otherwise it shall return -1 and set errno.

EXAMPLE

struct timeval old_response_timeout;
struct timeval response_timeout;

/* Save original timeout */
modbus_get_response_timeout(ctx, &old_response_timeout);

/* Define a new and too short timeout! */
response_timeout.tv_sec = 0;
response_timeout.tv_usec = 0;
modbus_set_response_timeout(ctx, &response_timeout);

SEE ALSO

modbus_set_response_timeout(3) modbus_get_byte_timeout(3) modbus_set_byte_timeout(3)

AUTHORS

The libmodbus documentation was written by Stéphane Raimbault <stephane.raimbault@gmail.com>