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Port yuzu-emu/yuzu#4587 and yuzu-emu/yuzu#4588: Fix data races (#5545) 

Co-authored-by: ReinUsesLisp <reinuseslisp@airmail.cc>
This commit is contained in:
Tobias 2020-09-19 18:42:21 +02:00 committed by GitHub
parent df9e230d63
commit 017631e51b
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 6 additions and 5 deletions
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2
externals/microprofile/microprofile.h vendored
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@ -1018,7 +1018,7 @@ static void MicroProfileCreateThreadLogKey()
#else #else
MP_THREAD_LOCAL MicroProfileThreadLog* g_MicroProfileThreadLog = 0; MP_THREAD_LOCAL MicroProfileThreadLog* g_MicroProfileThreadLog = 0;
#endif #endif
static bool g_bUseLock = false; /// This is used because windows does not support using mutexes under dll init(which is where global initialization is handled) static std::atomic<bool> g_bUseLock{false}; /// This is used because windows does not support using mutexes under dll init(which is where global initialization is handled)
MICROPROFILE_DEFINE(g_MicroProfileFlip, "MicroProfile", "MicroProfileFlip", 0x3355ee); MICROPROFILE_DEFINE(g_MicroProfileFlip, "MicroProfile", "MicroProfileFlip", 0x3355ee);

9
src/common/thread.h
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@ -4,6 +4,7 @@
#pragma once #pragma once
#include <atomic>
#include <chrono> #include <chrono>
#include <condition_variable> #include <condition_variable>
#include <cstddef> #include <cstddef>
@ -24,14 +25,14 @@ public:
void Wait() { void Wait() {
std::unique_lock lk{mutex}; std::unique_lock lk{mutex};
condvar.wait(lk, [&] { return is_set; }); condvar.wait(lk, [&] { return is_set.load(); });
is_set = false; is_set = false;
} }
template <class Duration> template <class Duration>
bool WaitFor(const std::chrono::duration<Duration>& time) { bool WaitFor(const std::chrono::duration<Duration>& time) {
std::unique_lock lk{mutex}; std::unique_lock lk{mutex};
if (!condvar.wait_for(lk, time, [this] { return is_set; })) if (!condvar.wait_for(lk, time, [this] { return is_set.load(); }))
return false; return false;
is_set = false; is_set = false;
return true; return true;
@ -40,7 +41,7 @@ public:
template <class Clock, class Duration> template <class Clock, class Duration>
bool WaitUntil(const std::chrono::time_point<Clock, Duration>& time) { bool WaitUntil(const std::chrono::time_point<Clock, Duration>& time) {
std::unique_lock lk{mutex}; std::unique_lock lk{mutex};
if (!condvar.wait_until(lk, time, [this] { return is_set; })) if (!condvar.wait_until(lk, time, [this] { return is_set.load(); }))
return false; return false;
is_set = false; is_set = false;
return true; return true;
@ -54,9 +55,9 @@ public:
} }
private: private:
bool is_set = false;
std::condition_variable condvar; std::condition_variable condvar;
std::mutex mutex; std::mutex mutex;
std::atomic_bool is_set{false};
}; };
class Barrier { class Barrier {