9.4.1 Committing the Current Transaction
The tpcommit(3c) function commits the current transaction. When tpcommit() returns successfully, all changes to resources as a result of the current transaction become permanent.
Use the following signature to call the tpcommit()
function:
int
tpcommit(long flags)Although the flags argument is not used currently,
you must set it to zero to ensure compatibility with future
releases.