---
name: "dpns_startsess"
section: "3"
platform: "linux"
package: "libdpm-dev"
version: "1.10.0-2+b3"
release: "Debian 10 (Buster)"
platforms: ["linux"]
url: "https://new.carta.tech/dpns_startsess"
---

# dpns\_startsess(3)

start session

## NAME

dpns\_startsess - start session

## SYNOPSIS

**#include \<sys/types.h\>**\
 **#include "dpns\_api.h"**

**int dpns\_startsess (char \****server***,** **char \****comment***);**

## DESCRIPTION

**dpns\_startsess** starts session. The connection to the Name Server is kept open until **dpns\_endsess** is explicitly called. Requests issued between **dpns\_startsess** and **dpns\_endsess** are independent from each other and are individually committed or rolled back. The *comment* is logged in the server log.

## RETURN VALUE

This routine returns 0 if the operation was successful or -1 if the operation failed. In the latter case, **serrno** is set appropriately.

## ERRORS

- **EINVAL**

  The length of *comment* exceeds **CA\_MAXCOMMENTLEN**.

- **SENOSHOST**

  Host unknown.

- **SENOSSERV**

  Service unknown.

- **SECOMERR**

  Communication error.

- **ENSNACT**

  Name server is not running or is being shutdown.

## SEE ALSO

**[dpns\_endsess(3)](/dpns_endsess/3.md)**