Muldersoft/MUtilities
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Some improvements to Lazy<T> class.

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This commit is contained in:
LoRd_MuldeR 2018-04-15 15:12:13 +02:00
parent 5673c6f14a
commit a9f2eeb3be
1 changed files with 10 additions and 16 deletions
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22
include/MUtils/Lazy.h
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@ -53,26 +53,20 @@ namespace MUtils
T& operator*(void) T& operator*(void)
{ {
T *value; T *value;
do while (!(value = m_value.fetchAndAddOrdered(0)))
{ {
if (!(value = m_value.fetchAndAddOrdered(0))) if (!(value = m_initializer()))
{
if (value = m_initializer())
{
if (!m_value.testAndSetOrdered(NULL, value))
{
delete value;
value = NULL;
}
}
else
{ {
MUTILS_THROW("Initializer returned NULL pointer!"); MUTILS_THROW("Initializer returned NULL pointer!");
} }
if (m_value.testAndSetOrdered(NULL, value))
{
break; /*success*/
} }
delete value;
value = NULL;
} }
while (!value); return *value;
return *m_value;
} }
~Lazy(void) ~Lazy(void)