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parallel/stack: allow zero capacity construction

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This commit is contained in:
Danny Robson 2019-05-24 11:46:55 +10:00
parent ad9d5d991c
commit ec883c3009
1 changed files with 4 additions and 1 deletions
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5
parallel/stack.hpp
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@ -44,6 +44,8 @@ namespace cruft::parallel {
return *this; return *this;
} }
/// Thread safe swapping with the supplied object
void swap (stack &rhs) void swap (stack &rhs)
{ {
std::lock_guard lk0 (m_lock); std::lock_guard lk0 (m_lock);
@ -62,7 +64,8 @@ namespace cruft::parallel {
: m_cursor (0) : m_cursor (0)
, m_store (capacity) , m_store (capacity)
{ {
CHECK_GT (capacity, 0u); // NOTE: a capacity of zero must be supported as it forms part of
// how we structure the move operations
} }
/// Move the value from the top of the stack into an output pointer. /// Move the value from the top of the stack into an output pointer.