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Merge pull request #2028 from unknownbrackets/console-th

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Keep only one actual console writer thread (Windows)
This commit is contained in:
Henrik Rydgård 2013-06-02 00:27:09 -07:00
commit 946b7bd310
2 changed files with 44 additions and 28 deletions
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59
Common/ConsoleListener.cpp
View File

@ -37,6 +37,15 @@ const int LOG_PENDING_MAX = 120 * 10000;
const int LOG_LATENCY_DELAY_MS = 20;
const int LOG_SHUTDOWN_DELAY_MS = 250;
const int LOG_MAX_DISPLAY_LINES = 4000;
int ConsoleListener::refCount = 0;
HANDLE ConsoleListener::hThread = NULL;
HANDLE ConsoleListener::hTriggerEvent = NULL;
CRITICAL_SECTION ConsoleListener::criticalSection;
char *ConsoleListener::logPending = NULL;
volatile u32 ConsoleListener::logPendingReadPos = 0;
volatile u32 ConsoleListener::logPendingWritePos = 0;
#endif
ConsoleListener::ConsoleListener()
@ -45,12 +54,12 @@ ConsoleListener::ConsoleListener()
hConsole = NULL;
bUseColor = true;
hThread = NULL;
hTriggerEvent = CreateEvent(NULL, FALSE, FALSE, NULL);
InitializeCriticalSection(&criticalSection);
logPending = NULL;
logPendingReadPos = 0;
logPendingWritePos = 0;
if (hTriggerEvent == NULL)
{
hTriggerEvent = CreateEvent(NULL, FALSE, FALSE, NULL);
InitializeCriticalSection(&criticalSection);
}
++refCount;
#else
bUseColor = isatty(fileno(stdout));
#endif
@ -59,13 +68,6 @@ ConsoleListener::ConsoleListener()
ConsoleListener::~ConsoleListener()
{
Close();
#ifdef _WIN32
DeleteCriticalSection(&criticalSection);
if (logPending != NULL)
delete [] logPending;
#endif
}
// 100, 100, "Dolphin Log Console"
@ -96,7 +98,7 @@ void ConsoleListener::Open(bool Hidden, int Width, int Height, const char *Title
hConsole = GetStdHandle(STD_OUTPUT_HANDLE);
}
if (hTriggerEvent != NULL)
if (hTriggerEvent != NULL && hThread == NULL)
{
logPending = new char[LOG_PENDING_MAX];
hThread = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE) &ConsoleListener::RunThread, this, 0, NULL);
@ -135,17 +137,30 @@ void ConsoleListener::Close()
if (hConsole == NULL)
return;
if (hThread != NULL)
if (--refCount <= 0)
{
Common::AtomicStoreRelease(logPendingWritePos, (u32) -1);
if (hThread != NULL)
{
Common::AtomicStoreRelease(logPendingWritePos, (u32) -1);
SetEvent(hTriggerEvent);
WaitForSingleObject(hThread, LOG_SHUTDOWN_DELAY_MS);
CloseHandle(hThread);
hThread = NULL;
SetEvent(hTriggerEvent);
WaitForSingleObject(hThread, LOG_SHUTDOWN_DELAY_MS);
CloseHandle(hThread);
hThread = NULL;
}
if (hTriggerEvent != NULL)
{
DeleteCriticalSection(&criticalSection);
CloseHandle(hTriggerEvent);
hTriggerEvent = NULL;
}
if (logPending != NULL)
{
delete [] logPending;
logPending = NULL;
}
refCount = 0;
}
if (hTriggerEvent != NULL)
CloseHandle(hTriggerEvent);
FreeConsole();
hConsole = NULL;

13
Common/ConsoleListener.h
View File

@ -55,13 +55,14 @@ private:
void SendToThread(LogTypes::LOG_LEVELS Level, const char *Text);
void WriteToConsole(LogTypes::LOG_LEVELS Level, const char *Text, size_t Len);
HANDLE hThread;
HANDLE hTriggerEvent;
CRITICAL_SECTION criticalSection;
static int refCount;
static HANDLE hThread;
static HANDLE hTriggerEvent;
static CRITICAL_SECTION criticalSection;
char *logPending;
volatile u32 logPendingReadPos;
volatile u32 logPendingWritePos;
static char *logPending;
static volatile u32 logPendingReadPos;
static volatile u32 logPendingWritePos;
#endif
bool bHidden;
bool bUseColor;