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Man Pages


Manual Reference Pages  -  MODBUS_SET_RESPONSE_TIMEOUT (3)

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NAME

modbus_set_response_timeout - set timeout for response

CONTENTS

SYNOPSIS

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

DESCRIPTION

The modbus_set_response_timeout() function shall set the timeout interval used to wait for a response. If the waiting before receiving the response is longer than the given timeout, an error will be raised.

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_get_response_timeout(3) modbus_get_byte_timeout(3) modbus_set_byte_timeout(3)

AUTHORS

The libmodbus documentation was written by St\(&#146;ephane Raimbault <\m[blue]stephane.raimbault@gmail.com\m[][1]>

NOTES

1. stephane.raimbault@gmail.com  mailto:stephane.raimbault@gmail.com
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libmodbus 3&.1&.0 MODBUS_SET_RESPONSE_ (3) 10/06/2013

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