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authorAndrei Karas <akaras@inbox.ru>2017-09-07 06:44:38 +0300
committerAndrei Karas <akaras@inbox.ru>2017-09-07 06:44:38 +0300
commitfec0a38e6a12c8674e54a29b0c3ae54fa78e86ff (patch)
treefa68e8d59ade869c1de33bce9eb60a8cd05fdbc8 /src
parentba0d8f949647aa4ced776438a1e1e9ebd77c4660 (diff)
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Fix possible thread structure memory leak on SDL2 if thread terminated before cleanup.
Diffstat (limited to 'src')
-rw-r--r--src/gui/windows/whoisonline.cpp17
-rw-r--r--src/net/download.cpp8
-rw-r--r--src/net/ea/network.cpp7
-rw-r--r--src/net/ipc.cpp4
-rw-r--r--src/utils/sdl2helper.cpp6
-rw-r--r--src/utils/sdl2helper.h2
-rw-r--r--src/utils/sdlhelper.cpp6
-rw-r--r--src/utils/sdlhelper.h2
8 files changed, 27 insertions, 25 deletions
diff --git a/src/gui/windows/whoisonline.cpp b/src/gui/windows/whoisonline.cpp
index 1401ec280..35d930c4c 100644
--- a/src/gui/windows/whoisonline.cpp
+++ b/src/gui/windows/whoisonline.cpp
@@ -175,9 +175,8 @@ WhoIsOnline::~WhoIsOnline()
config.removeListeners(this);
CHECKLISTENERS
- if ((mThread != nullptr) && (SDL_GetThreadID(mThread) != 0u))
- SDL_WaitThread(mThread, nullptr);
-
+ SDL::WaitThread(mThread);
+ mThread = nullptr;
free(mMemoryBuffer);
mMemoryBuffer = nullptr;
@@ -628,9 +627,8 @@ void WhoIsOnline::download()
else if (mWebList)
{
mDownloadComplete = true;
- if (mThread != nullptr && SDL_GetThreadID(mThread) != 0U)
- SDL_WaitThread(mThread, nullptr);
-
+ SDL::WaitThread(mThread);
+ mThread = nullptr;
mDownloadComplete = false;
mThread = SDL::createThread(&WhoIsOnline::downloadThread,
"whoisonline", this);
@@ -729,11 +727,8 @@ void WhoIsOnline::action(const ActionEvent &event)
mUpdateButton->setEnabled(false);
// TRANSLATORS: who is online window name
setCaption(_("Who Is Online - Update"));
- if (mThread != nullptr && SDL_GetThreadID(mThread) != 0U)
- {
- SDL_WaitThread(mThread, nullptr);
- mThread = nullptr;
- }
+ SDL::WaitThread(mThread);
+ mThread = nullptr;
mDownloadComplete = true;
}
}
diff --git a/src/net/download.cpp b/src/net/download.cpp
index 769a498b3..54aa8b217 100644
--- a/src/net/download.cpp
+++ b/src/net/download.cpp
@@ -110,9 +110,7 @@ Download::~Download()
mHeaders = nullptr;
}
- int status;
- if ((mThread != nullptr) && (SDL_GetThreadID(mThread) != 0u))
- SDL_WaitThread(mThread, &status);
+ SDL::WaitThread(mThread);
mThread = nullptr;
free(mError);
}
@@ -208,9 +206,7 @@ void Download::cancel()
logger->log("Canceling download: %s", mUrl.c_str());
mOptions.cancel = 1u;
- if ((mThread != nullptr) && (SDL_GetThreadID(mThread) != 0u))
- SDL_WaitThread(mThread, nullptr);
-
+ SDL::WaitThread(mThread);
mThread = nullptr;
}
diff --git a/src/net/ea/network.cpp b/src/net/ea/network.cpp
index ad7909c7a..1ae4d2323 100644
--- a/src/net/ea/network.cpp
+++ b/src/net/ea/network.cpp
@@ -140,11 +140,8 @@ void Network::disconnect()
BLOCK_START("Network::disconnect")
mState = IDLE;
- if ((mWorkerThread != nullptr) && (SDL_GetThreadID(mWorkerThread) != 0u))
- {
- SDL_WaitThread(mWorkerThread, nullptr);
- mWorkerThread = nullptr;
- }
+ SDL::WaitThread(mWorkerThread);
+ mWorkerThread = nullptr;
if (mSocket != nullptr)
{
diff --git a/src/net/ipc.cpp b/src/net/ipc.cpp
index b3fd3da9d..407f8ca3b 100644
--- a/src/net/ipc.cpp
+++ b/src/net/ipc.cpp
@@ -57,9 +57,7 @@ IPC::~IPC()
}
SDL_DestroyMutex(mMutex);
mMutex = nullptr;
- int status;
- if ((mThread != nullptr) && (SDL_GetThreadID(mThread) != 0u))
- SDL_WaitThread(mThread, &status);
+ SDL::WaitThread(mThread);
mThread = nullptr;
}
diff --git a/src/utils/sdl2helper.cpp b/src/utils/sdl2helper.cpp
index 4f99dc512..7648ccc2b 100644
--- a/src/utils/sdl2helper.cpp
+++ b/src/utils/sdl2helper.cpp
@@ -188,4 +188,10 @@ void SDL::initLogger()
SDL2Logger::init();
}
+void SDL::WaitThread(SDL_Thread *const thread)
+{
+ if (thread != nullptr)
+ SDL_WaitThread(thread, nullptr);
+}
+
#endif // USE_SDL2
diff --git a/src/utils/sdl2helper.h b/src/utils/sdl2helper.h
index 04a258014..089bbbfab 100644
--- a/src/utils/sdl2helper.h
+++ b/src/utils/sdl2helper.h
@@ -63,6 +63,8 @@ namespace SDL
void makeCurrentContext(void *const context);
void initLogger();
+
+ void WaitThread(SDL_Thread *const thread);
} // namespace SDL
#endif // USE_SDL2
diff --git a/src/utils/sdlhelper.cpp b/src/utils/sdlhelper.cpp
index 821eb40a5..324779898 100644
--- a/src/utils/sdlhelper.cpp
+++ b/src/utils/sdlhelper.cpp
@@ -186,4 +186,10 @@ void SDL::initLogger()
{
}
+void SDL::WaitThread(SDL_Thread *const thread)
+{
+ if (thread != nullptr && SDL_GetThreadID(thread) != 0u)
+ SDL_WaitThread(thread, nullptr);
+}
+
#endif // USE_SDL2
diff --git a/src/utils/sdlhelper.h b/src/utils/sdlhelper.h
index 5e8c31e15..abb3934cb 100644
--- a/src/utils/sdlhelper.h
+++ b/src/utils/sdlhelper.h
@@ -69,6 +69,8 @@ namespace SDL
void makeCurrentContext(void *const context);
void initLogger();
+
+ void WaitThread(SDL_Thread *const thread);
} // namespace SDL
#endif // USE_SDL2