Mirrors/citra-nightly
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

threadsafe_queue: Remove NeedSize template parameter

Browse source 
The necessity of this parameter is dubious at best, and in 2019 probably
offers completely negligible savings as opposed to just leaving this
enabled. This removes it and simplifies the overall interface.
This commit is contained in:
Lioncash 2019-02-12 22:03:48 -05:00 • committed by fearlessTobi
parent de1128c60d
commit 3bc78e577f
2 changed files with 11 additions and 13 deletions
Download patch file Download diff file Expand all files Collapse all files

22
src/common/threadsafe_queue.h
View file

@ -15,10 +15,10 @@
#include "common/common_types.h"
namespace Common {
template <typename T, bool NeedSize = true>
template <typename T>
class SPSCQueue {
public:
SPSCQueue() : size(0) {
SPSCQueue() {
write_ptr = read_ptr = new ElementPtr();
}
~SPSCQueue() {
@ -27,12 +27,11 @@ public:
}
u32 Size() const {
static_assert(NeedSize, "using Size() on FifoQueue without NeedSize");
return size.load();
}
bool Empty() const {
return !read_ptr->next.load();
return Size() == 0;
}
T& Front() const {
@ -48,14 +47,14 @@ public:
ElementPtr* new_ptr = new ElementPtr();
write_ptr->next.store(new_ptr, std::memory_order_release);
write_ptr = new_ptr;
if (NeedSize)
size++;
cv.notify_one();
++size;
}
void Pop() {
if (NeedSize)
size--;
--size;
ElementPtr* tmpptr = read_ptr;
// advance the read pointer
read_ptr = tmpptr->next.load();
@ -68,8 +67,7 @@ public:
if (Empty())
return false;
if (NeedSize)
size--;
--size;
ElementPtr* tmpptr = read_ptr;
read_ptr = tmpptr->next.load(std::memory_order_acquire);
@ -123,7 +121,7 @@ private:
// a simple thread-safe,
// single reader, multiple writer queue
template <typename T, bool NeedSize = true>
template <typename T>
class MPSCQueue {
public:
u32 Size() const {
@ -162,7 +160,7 @@ public:
}
private:
SPSCQueue<T, NeedSize> spsc_queue;
SPSCQueue<T> spsc_queue;
std::mutex write_lock;
};
} // namespace Common