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Code Issues Releases Wiki Activity

Simplify gui_listener

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Use lf_queue
This commit is contained in:
Nekotekina 2019-01-05 13:34:02 +03:00
parent 3fed4dcc5a
commit ac775cd75e
2 changed files with 20 additions and 26 deletions
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5
Utilities/lockless.h
View File

@ -287,6 +287,11 @@ public:
return m_head != nullptr; return m_head != nullptr;
} }
T* get() const
{
return m_head ? &m_head->m_data : nullptr;
}
lf_queue_iterator<T> begin() const lf_queue_iterator<T> begin() const
{ {
lf_queue_iterator<T> result; lf_queue_iterator<T> result;

41
rpcs3/rpcs3qt/log_frame.cpp
View File

@ -14,6 +14,7 @@
#include <deque> #include <deque>
#include <mutex> #include <mutex>
#include "Utilities/mutex.h" #include "Utilities/mutex.h"
#include "Utilities/lockless.h"
extern fs::file g_tty; extern fs::file g_tty;
extern atomic_t<s64> g_tty_size; extern atomic_t<s64> g_tty_size;
@ -26,29 +27,18 @@ struct gui_listener : logs::listener
{ {
atomic_t<logs::level> enabled{logs::level::_uninit}; atomic_t<logs::level> enabled{logs::level::_uninit};
struct packet struct packet_t
{ {
atomic_t<packet*> next{};
logs::level sev{}; logs::level sev{};
std::string msg; std::string msg;
~packet()
{
for (auto ptr = next.raw(); UNLIKELY(ptr);)
{
delete std::exchange(ptr, std::exchange(ptr->next.raw(), nullptr));
}
}
}; };
atomic_t<packet*> last; // Packet for writing another packet lf_queue_slice<packet_t> pending;
atomic_t<packet*> read; // Packet for reading
lf_queue<packet_t> queue;
gui_listener() gui_listener()
: logs::listener() : logs::listener()
, last(new packet)
, read(+last)
{ {
// Self-registration // Self-registration
logs::listener::add(this); logs::listener::add(this);
@ -56,7 +46,6 @@ struct gui_listener : logs::listener
~gui_listener() ~gui_listener()
{ {
delete read;
} }
void log(u64 stamp, const logs::message& msg, const std::string& prefix, const std::string& text) void log(u64 stamp, const logs::message& msg, const std::string& prefix, const std::string& text)
@ -65,7 +54,7 @@ struct gui_listener : logs::listener
if (msg.sev <= enabled) if (msg.sev <= enabled)
{ {
const auto _new = new packet; packet_t p,* _new = &p;
_new->sev = msg.sev; _new->sev = msg.sev;
if (prefix.size() > 0) if (prefix.size() > 0)
@ -88,24 +77,24 @@ struct gui_listener : logs::listener
_new->msg += text; _new->msg += text;
_new->msg += '\n'; _new->msg += '\n';
last.exchange(_new)->next = _new; queue.push(std::move(p));
} }
} }
void pop() void pop()
{ {
if (const auto head = read.load()->next.exchange(nullptr)) pending.pop_front();
{
delete read.exchange(head);
}
} }
void clear() packet_t* get()
{ {
while (read.load()->next) if (packet_t* _head = pending.get())
{ {
pop(); return _head;
} }
pending = queue.pop_all();
return pending.get();
} }
}; };
@ -502,7 +491,7 @@ void log_frame::UpdateUI()
} }
// Check main logs // Check main logs
while (const auto packet = s_gui_listener.read.load()->next.load()) while (auto* packet = s_gui_listener.get())
{ {
// Confirm log level // Confirm log level
if (packet->sev <= s_gui_listener.enabled) if (packet->sev <= s_gui_listener.enabled)