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Allow plugins to suppress inlining and hook function entry/exit/abort.

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This is intended as infrastructure to allow an eventual SE-Linux plugin to
support trusted procedures.

KaiGai Kohei
This commit is contained in:
Robert Haas
2010-12-13 18:58:31 -05:00
parent 843a490f0a
commit d368e1a2a7
3 changed files with 61 additions and 12 deletions
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8
src/backend/optimizer/util/clauses.c
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@ -3726,6 +3726,10 @@ inline_function(Oid funcid, Oid result_type, List *args,
if (pg_proc_aclcheck(funcid, GetUserId(), ACL_EXECUTE) != ACLCHECK_OK)
return NULL;
/* Check whether a plugin wants to hook function entry/exit */
if (FmgrHookIsNeeded(funcid))
return NULL;
/*
* Make a temporary memory context, so that we don't leak all the stuff
* that parsing might create.
@ -4158,6 +4162,10 @@ inline_set_returning_function(PlannerInfo *root, RangeTblEntry *rte)
if (pg_proc_aclcheck(func_oid, GetUserId(), ACL_EXECUTE) != ACLCHECK_OK)
return NULL;
/* Check whether a plugin wants to hook function entry/exit */
if (FmgrHookIsNeeded(func_oid))
return NULL;
/*
* OK, let's take a look at the function's pg_proc entry.
*/