1semanage_iterate(3)      Libsemanage API documentation     semanage_iterate(3)
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NAME

6       semanage_iterate - SELinux Management API
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SYNOPSIS

10       The following iterate function is supported for any semanage record.
11       Replace the function and object name as necessary.
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13       extern int ITERATE_FUNCTION (
14            semanage_handle_t *handle,
15            int (*handler) (
16                          const semanage_OBJECT_t *object,
17                          void *varg),
18            void *handler_arg);
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DESCRIPTION

22       Behavior:
23              The iterate function will execute the specified handler over all
24              objects in the selected location. An arbitrary argument  can  be
25              passed into the handler function along with each object.
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27              The object passed in is property of the libsemanage library, and
28              may not be modified or preserved - use semanage_OBJECT_clone  if
29              that is necessary.
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31              The  handler code may not invoke any semanage write requests for
32              the same object type (i.e. modifying the underlying store is not
33              allowed).  The iterate function is reentrant only while inside a
34              transaction (see semanage_begin_transaction ). It is not safe to
35              execute  other semanage read or write requests within iterate if
36              not inside a transaction. The handler may return  -1  to  signal
37              error  exit,  0  to  signal continue, and 1 to signal successful
38              exit early (the iterate function will stop accordingly).
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41       Parameters:
42              The handle is used to track  persistent  state  across  semanage
43              calls,  and  for error reporting. The handler is the function to
44              execute, with handler_arg as  its  second  parameter,  and  each
45              object as its first parameter.
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48       Requirements:
49              This  function requires an semanage connection to be established
50              (see semanage_connect(3) )
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RETURN VALUE

54       In case of failure, -1 is returned, and the semanage error callback  is
55       invoked,  describing  the  error.   Otherwise a non-negative integer is
56       returned (a commit number). The same number will  be  returned  by  all
57       other semanage object read calls until the next commit.
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SEE ALSO

61       semanage_handle_create(3), semanage_connect(3),
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65ivg2@cornell.edu                 15 March 2006             semanage_iterate(3)