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authorTiger Wang <ziwei.tiger@hotmail.co.uk>2015-08-27 00:02:45 +0200
committerTiger Wang <ziwei.tiger@hotmail.co.uk>2015-08-27 00:02:45 +0200
commitdfc0f2ae007e186c724b871c7df27f2bf43f76d6 (patch)
tree0d93c887cb9687ef01ea4fa153ea8e131775fd3b /src
parentMerge pull request #2450 from nicodinh/patch-1 (diff)
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Diffstat (limited to 'src')
-rw-r--r--src/OSSupport/Event.cpp18
-rw-r--r--src/OSSupport/Event.h3
2 files changed, 13 insertions, 8 deletions
diff --git a/src/OSSupport/Event.cpp b/src/OSSupport/Event.cpp
index 4c2adea3c..be2803451 100644
--- a/src/OSSupport/Event.cpp
+++ b/src/OSSupport/Event.cpp
@@ -25,9 +25,9 @@ void cEvent::Wait(void)
{
{
std::unique_lock<std::mutex> Lock(m_Mutex);
- m_CondVar.wait(Lock, [this](){ return m_ShouldContinue.load(); });
+ m_CondVar.wait(Lock, [this](){ return m_ShouldContinue; });
+ m_ShouldContinue = false;
}
- m_ShouldContinue = false;
}
@@ -40,9 +40,9 @@ bool cEvent::Wait(unsigned a_TimeoutMSec)
bool Result;
{
std::unique_lock<std::mutex> Lock(m_Mutex); // We assume that this lock is acquired without much delay - we are the only user of the mutex
- Result = m_CondVar.wait_until(Lock, dst, [this](){ return m_ShouldContinue.load(); });
+ Result = m_CondVar.wait_until(Lock, dst, [this](){ return m_ShouldContinue; });
+ m_ShouldContinue = false;
}
- m_ShouldContinue = false;
return Result;
}
@@ -52,7 +52,10 @@ bool cEvent::Wait(unsigned a_TimeoutMSec)
void cEvent::Set(void)
{
- m_ShouldContinue = true;
+ {
+ std::unique_lock<std::mutex> Lock(m_Mutex);
+ m_ShouldContinue = true;
+ }
m_CondVar.notify_one();
}
@@ -61,7 +64,10 @@ void cEvent::Set(void)
void cEvent::SetAll(void)
{
- m_ShouldContinue = true;
+ {
+ std::unique_lock<std::mutex> Lock(m_Mutex);
+ m_ShouldContinue = true;
+ }
m_CondVar.notify_all();
}
diff --git a/src/OSSupport/Event.h b/src/OSSupport/Event.h
index 2c58ba485..067a2207c 100644
--- a/src/OSSupport/Event.h
+++ b/src/OSSupport/Event.h
@@ -12,7 +12,6 @@
#include <mutex>
#include <condition_variable>
-#include <atomic>
@@ -42,7 +41,7 @@ public:
private:
/** Used for checking for spurious wakeups. */
- std::atomic<bool> m_ShouldContinue;
+ bool m_ShouldContinue;
/** Mutex protecting m_ShouldContinue from multithreaded access. */
std::mutex m_Mutex;