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Code Issues

Thread safety.

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This commit is contained in:
dimitr 2008-02-25 08:33:03 +00:00
parent c43e6db26f
commit 636843ed82
1 changed files with 14 additions and 9 deletions
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23
src/jrd/execute_statement.cpp
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@ -81,7 +81,20 @@ const SSHORT sqlType[] =
/* dtype_int64 */ SQL_INT64
};
static InitInstance<GenericMap<Pair<NonPooled<SSHORT, UCHAR> > > > sqlTypeToDscType;
class SqlTypeToDscTypeMap : public GenericMap<Pair<NonPooled<SSHORT, UCHAR> > >
{
public:
explicit SqlTypeToDscTypeMap(MemoryPool& pool)
: GenericMap(pool)
{
for (int i = 0; i < FB_NELEM(sqlType); ++i)
{
put(sqlType[i], static_cast<UCHAR>(i));
}
}
};
static InitInstance<SqlTypeToDscTypeMap> sqlTypeToDscType;
class CallbackWrapper
{
@ -113,14 +126,6 @@ void ExecuteStatement::Open(thread_db* tdbb, jrd_nod* sql, SSHORT nVars, bool Si
{
SET_TDBB(tdbb);
// initialize sqlTypeToDscType in the first call to this function
// non-thread safe, require mutex in Fb3
if (sqlTypeToDscType().count() == 0)
{
for (int i = 0; i < FB_NELEM(sqlType); ++i)
sqlTypeToDscType().put(sqlType[i], static_cast<UCHAR>(i));
}
if (tdbb->getTransaction()->tra_callback_count >= MAX_CALLBACKS)
ERR_post(isc_exec_sql_max_call_exceeded, 0);