man/man3scf/scf_entry_create.3scf

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 SCF_ENTRY_CREATE 3SCF "Jul 17, 2008"
 NAME
scf_entry_create, scf_entry_handle, scf_entry_destroy,
scf_entry_destroy_children, scf_entry_reset, scf_entry_add_value - create and
manipulate transaction in the Service Configuration Facility
 SYNOPSIS

cc [ flag.\|.\|. ] file.\|.\|. -lscf [ library.\|.\|. ]
#include <libscf.h>

scf_transaction_entry_t *scf_entry_create(scf_handle_t *handle);


scf_handle_t *scf_entry_handle(scf_transaction_entry_t *entry);


void scf_entry_destroy(scf_transaction_entry_t *entry);


void scf_entry_destroy_children(scf_transaction_entry_t *entry);


void scf_entry_reset(scf_transaction_entry_t *entry);


int scf_entry_add_value(scf_transaction_entry_t *entry,
 scf_value_t *value);


 DESCRIPTION

The scf_entry_create() function allocates a new transaction entry handle.
The scf_entry_destroy() function destroys the transaction entry handle.

The scf_entry_handle() function retrieves the handle associated with
entry.

A transaction entry represents a single action on a property in a property
group. If an entry is added to a transaction using
scf_transaction_property_new(3SCF),
scf_transaction_property_change(3SCF), or
scf_transaction_property_change_type(3SCF), scf_entry_add_value()
can be called zero or more times to set up the set of values for that property.
Each value must be set and of a compatible type to the type associated with the
entry. When later retrieved from the property, the values will have the type of
the entry. If the values are committed successfully with
scf_transaction_commit(3SCF), they will be set in the order in which they
were added with scf_entry_add_value().

The scf_entry_reset() function resets a transaction entry, disassociating
it from any transaction it is a part of (invalidating the transaction in the
process), and disassociating any values that were added to it.

The scf_entry_destroy_children() function destroys all values associated
with the transaction entry. The entry itself is not destroyed.
 RETURN VALUES

Upon successful completion, scf_entry_create() returns a new
scf_transaction_entry_t. Otherwise, it returns NULL.

Upon successful completion, scf_entry_handle() returns the handle
associated with the transaction entry. Otherwise, it returns NULL.

Upon successful completion, scf_entry_add_value() returns 0. Otherwise,
it returns -1.
 ERRORS

The scf_entry_create() function will fail if:
SCF_ERROR_INVALID_ARGUMENT

The handle argument is NULL.


SCF_ERROR_NO_MEMORY

There is not enough memory to allocate an scf_transaction_entry_t.


The scf_entry_handle() function will fail if:
SCF_ERROR_HANDLE_DESTROYED

The handle associated with entry has been destroyed.


The scf_entry_add_value() function will fail if:
SCF_ERROR_HANDLE_MISMATCH

The value and entry arguments are not derived from the same handle.


SCF_ERROR_IN_USE

The value has been added to another entry.


SCF_ERROR_INTERNAL

An internal error occurred.


SCF_ERROR_INVALID_ARGUMENT

The value argument is not set, or the entry was added to the transaction
using scf_transaction_property_delete(3SCF).


SCF_ERROR_NOT_SET

The transaction entry is not associated with a transaction.


SCF_ERROR_TYPE_MISMATCH

The type of the value argument does not match the type that was set using
scf_transaction_property_new(), scf_transaction_property_change(),
or scf_transaction_property_change_type().


The scf_error(3SCF) function can be used to retrieve the error value.
 ATTRIBUTES

See attributes(5) for descriptions of the following attributes:


ATTRIBUTE TYPE ATTRIBUTE VALUE
Interface Stability Committed
MT-Level Safe


 SEE ALSO

libscf(3LIB), scf_error(3SCF), scf_transaction_commit(3SCF),
scf_transaction_property_change(3SCF),
scf_transaction_property_change_type(3SCF),
scf_transaction_property_delete(3SCF),
scf_transaction_property_new(3SCF), scf_transaction_reset(3SCF),
attributes(5)