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memory leak in ~wxMutex fixed

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@5047 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
1999-12-21 12:48:32 +00:00
parent 74cfc36921
commit 7f684264b8
1 changed files with 22 additions and 12 deletions
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34
src/msw/thread.cpp
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@@ -99,33 +99,43 @@ static bool gs_waitingForThread = FALSE;
class wxMutexInternal class wxMutexInternal
{ {
public: public:
HANDLE p_mutex; wxMutexInternal()
{
m_mutex = ::CreateMutex(NULL, FALSE, NULL);
if ( !m_mutex )
{
wxLogSysError(_("Can not create mutex"));
}
}
~wxMutexInternal() { if ( m_mutex ) CloseHandle(m_mutex); }
public:
HANDLE m_mutex;
}; };
wxMutex::wxMutex() wxMutex::wxMutex()
{ {
m_internal = new wxMutexInternal; m_internal = new wxMutexInternal;
m_internal->p_mutex = CreateMutex(NULL, FALSE, NULL);
if ( !m_internal->p_mutex )
{
wxLogSysError(_("Can not create mutex."));
}
m_locked = 0; m_locked = 0;
} }
wxMutex::~wxMutex() wxMutex::~wxMutex()
{ {
if (m_locked > 0) if ( m_locked > 0 )
wxLogDebug(wxT("Warning: freeing a locked mutex (%d locks)."), m_locked); {
CloseHandle(m_internal->p_mutex); wxLogDebug(_T("Warning: freeing a locked mutex (%d locks)."), m_locked);
}
delete m_internal;
} }
wxMutexError wxMutex::Lock() wxMutexError wxMutex::Lock()
{ {
DWORD ret; DWORD ret;
ret = WaitForSingleObject(m_internal->p_mutex, INFINITE); ret = WaitForSingleObject(m_internal->m_mutex, INFINITE);
switch ( ret ) switch ( ret )
{ {
case WAIT_ABANDONED: case WAIT_ABANDONED:
@@ -152,7 +162,7 @@ wxMutexError wxMutex::TryLock()
{ {
DWORD ret; DWORD ret;
ret = WaitForSingleObject(m_internal->p_mutex, 0); ret = WaitForSingleObject(m_internal->m_mutex, 0);
if (ret == WAIT_TIMEOUT || ret == WAIT_ABANDONED) if (ret == WAIT_TIMEOUT || ret == WAIT_ABANDONED)
return wxMUTEX_BUSY; return wxMUTEX_BUSY;
@@ -165,7 +175,7 @@ wxMutexError wxMutex::Unlock()
if (m_locked > 0) if (m_locked > 0)
m_locked--; m_locked--;
BOOL ret = ReleaseMutex(m_internal->p_mutex); BOOL ret = ReleaseMutex(m_internal->m_mutex);
if ( ret == 0 ) if ( ret == 0 )
{ {
wxLogSysError(_("Couldn't release a mutex")); wxLogSysError(_("Couldn't release a mutex"));