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Core/State: Guard SaveAs() and LoadAs() with a mutex.

This commit is contained in:
Admiral H. Curtiss 2022-02-05 19:49:06 +01:00
parent 09a0ba06c0
commit 56ea1c1d74
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GPG Key ID: F051B4C4044F33FB
1 changed files with 9 additions and 13 deletions
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22
Source/Core/Core/State.cpp
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@ -64,7 +64,7 @@ static AfterLoadCallbackFunc s_on_after_load_callback;
// Temporary undo state buffer
static std::vector<u8> g_undo_load_buffer;
static std::vector<u8> g_current_buffer;
static bool s_load_or_save_in_progress;
static std::mutex s_load_or_save_in_progress_mutex;
static std::mutex g_cs_undo_load_buffer;
static std::mutex g_cs_current_buffer;
@ -403,11 +403,10 @@ static void CompressAndDumpState(CompressAndDumpState_args save_args)
void SaveAs(const std::string& filename, bool wait)
{
if (s_load_or_save_in_progress)
std::unique_lock lk(s_load_or_save_in_progress_mutex, std::try_to_lock);
if (!lk)
return;
s_load_or_save_in_progress = true;
Core::RunOnCPUThread(
[&] {
// Measure the size of the buffer.
@ -446,8 +445,6 @@ void SaveAs(const std::string& filename, bool wait)
}
},
true);
s_load_or_save_in_progress = false;
}
bool ReadHeader(const std::string& filename, StateHeader& header)
@ -550,17 +547,18 @@ static void LoadFileStateData(const std::string& filename, std::vector<u8>& ret_
void LoadAs(const std::string& filename)
{
if (!Core::IsRunning() || s_load_or_save_in_progress)
{
if (!Core::IsRunning())
return;
}
else if (NetPlay::IsNetPlayRunning())
if (NetPlay::IsNetPlayRunning())
{
OSD::AddMessage("Loading savestates is disabled in Netplay to prevent desyncs");
return;
}
s_load_or_save_in_progress = true;
std::unique_lock lk(s_load_or_save_in_progress_mutex, std::try_to_lock);
if (!lk)
return;
Core::RunOnCPUThread(
[&] {
@ -617,8 +615,6 @@ void LoadAs(const std::string& filename)
s_on_after_load_callback();
},
true);
s_load_or_save_in_progress = false;
}
void SetOnAfterLoadCallback(AfterLoadCallbackFunc callback)