// headers
// ----------------------------------------------------------------------------
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
#pragma implementation "thread.h"
#endif
-#include "wx/defs.h"
+// for compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
#if wxUSE_THREADS
#include <sys/resource.h>
#endif
+#ifdef __VMS
+ #define THR_ID(thr) ((long long)(thr)->GetId())
+#else
+ #define THR_ID(thr) ((long)(thr)->GetId())
+#endif
+
// ----------------------------------------------------------------------------
// constants
// ----------------------------------------------------------------------------
// gs_nThreadsBeingDeleted will have been deleted
static wxCondition *gs_condAllDeleted = (wxCondition *)NULL;
-#if wxUSE_GUI
- // this mutex must be acquired before any call to a GUI function
- static wxMutex *gs_mutexGui;
-#endif // wxUSE_GUI
+// this mutex must be acquired before any call to a GUI function
+// (it's not inside #if wxUSE_GUI because this file is compiled as part
+// of wxBase)
+static wxMutex *gs_mutexGui = NULL;
// when we wait for a thread to exit, we're blocking on a condition which the
// thread signals in its SignalExit() method -- but this condition can't be a
friend class wxConditionInternal;
};
+#ifdef HAVE_PTHREAD_MUTEXATTR_T
+// on some systems pthread_mutexattr_settype() is not in the headers (but it is
+// in the library, otherwise we wouldn't compile this code at all)
+extern "C" int pthread_mutexattr_settype(pthread_mutexattr_t *, int);
+#endif
+
wxMutexInternal::wxMutexInternal(wxMutexType mutexType)
{
int err;
return wxSEMA_TIMEOUT;
}
- if ( m_cond.Wait(remainingTime) != wxCOND_NO_ERROR )
- return wxSEMA_MISC_ERROR;
+ switch ( m_cond.WaitTimeout(remainingTime) )
+ {
+ case wxCOND_TIMEOUT:
+ return wxSEMA_TIMEOUT;
+
+ default:
+ return wxSEMA_MISC_ERROR;
+
+ case wxCOND_NO_ERROR:
+ ;
+ }
}
m_count--;
{
wxThreadInternal *pthread = thread->m_internal;
-#ifdef __VMS
- wxLogTrace(TRACE_THREADS, _T("Thread %ld started."), (long long)pthread->GetId());
-#else
- wxLogTrace(TRACE_THREADS, _T("Thread %ld started."), (long)pthread->GetId());
-#endif
-
+ wxLogTrace(TRACE_THREADS, _T("Thread %ld started."), THR_ID(pthread));
+
// associate the thread pointer with the newly created thread so that
// wxThread::This() will work
int rc = pthread_setspecific(gs_keySelf, thread);
if ( !dontRunAtAll )
{
// call the main entry
- wxLogTrace(TRACE_THREADS, _T("Thread %ld about to enter its Entry()."),
-#ifdef __VMS
- (long long)pthread->GetId());
-#else
- (long)pthread->GetId());
-#endif
-
+ wxLogTrace(TRACE_THREADS,
+ _T("Thread %ld about to enter its Entry()."),
+ THR_ID(pthread));
+
pthread->m_exitcode = thread->Entry();
- wxLogTrace(TRACE_THREADS, _T("Thread %ld Entry() returned %lu."),
-#ifdef __VMS
- (long long)pthread->GetId(), (unsigned long)pthread->m_exitcode);
-#else
- (long)pthread->GetId(), (unsigned long)pthread->m_exitcode);
-#endif
-
+ wxLogTrace(TRACE_THREADS,
+ _T("Thread %ld Entry() returned %lu."),
+ THR_ID(pthread), (unsigned long)pthread->m_exitcode);
+
{
wxCriticalSectionLocker lock(thread->m_critsect);
wxMutexGuiLeave();
wxLogTrace(TRACE_THREADS,
-#ifdef __VMS
- _T("Starting to wait for thread %ld to exit."), (long long)GetId());
-#else
- _T("Starting to wait for thread %ld to exit."), (long)GetId());
-#endif
-
+ _T("Starting to wait for thread %ld to exit."),
+ THR_ID(this));
+
// to avoid memory leaks we should call pthread_join(), but it must only be
// done once so use a critical section to serialize the code below
{
wxCHECK_RET( m_state == STATE_PAUSED,
wxT("thread must first be paused with wxThread::Pause().") );
-#ifdef __VMS
- wxLogTrace(TRACE_THREADS, _T("Thread %ld goes to sleep."), (long long)GetId());
-#else
- wxLogTrace(TRACE_THREADS, _T("Thread %ld goes to sleep."), (long)GetId());
-#endif
-
+ wxLogTrace(TRACE_THREADS,
+ _T("Thread %ld goes to sleep."), THR_ID(this));
+
// wait until the semaphore is Post()ed from Resume()
m_semSuspend.Wait();
}
// TestDestroy() since the last call to Pause() for example
if ( IsReallyPaused() )
{
-#ifdef __VMS
- wxLogTrace(TRACE_THREADS, _T("Waking up thread %ld"), (long long)GetId());
-#else
- wxLogTrace(TRACE_THREADS, _T("Waking up thread %ld"), (long)GetId());
-#endif
-
+ wxLogTrace(TRACE_THREADS,
+ _T("Waking up thread %ld"), THR_ID(this));
+
// wake up Pause()
m_semSuspend.Post();
}
else
{
- wxLogTrace(TRACE_THREADS, _T("Thread %ld is not yet really paused"),
-#ifdef __VMS
- (long long)GetId());
-#else
- (long)GetId());
-#endif
+ wxLogTrace(TRACE_THREADS,
+ _T("Thread %ld is not yet really paused"), THR_ID(this));
}
SetState(STATE_RUNNING);
wxString s;
if ( file.ReadAll(&s) )
{
- // (ab)use Replace() to find the number of "processor" strings
- size_t count = s.Replace(_T("processor"), _T(""));
+ // (ab)use Replace() to find the number of "processor: num" strings
+ size_t count = s.Replace(_T("processor\t:"), _T(""));
if ( count > 0 )
{
return count;
return -1;
}
+// VMS is a 64 bit system and threads have 64 bit pointers.
+// FIXME: also needed for other systems????
#ifdef __VMS
- // VMS is a 64 bit system and threads have 64 bit pointers.
- // ??? also needed for other systems????
unsigned long long wxThread::GetCurrentId()
{
return (unsigned long long)pthread_self();
-#else
+}
+
+#else // !__VMS
+
unsigned long wxThread::GetCurrentId()
{
return (unsigned long)pthread_self();
-#endif
}
+#endif // __VMS/!__VMS
+
+
bool wxThread::SetConcurrency(size_t level)
{
#ifdef HAVE_THR_SETCONCURRENCY
gs_tidMain = pthread_self();
-#if wxUSE_GUI
gs_mutexGui = new wxMutex();
-
gs_mutexGui->Lock();
-#endif // wxUSE_GUI
gs_mutexDeleteThread = new wxMutex();
gs_condAllDeleted = new wxCondition( *gs_mutexDeleteThread );
gs_allThreads[0]->Delete();
}
-#if wxUSE_GUI
// destroy GUI mutex
gs_mutexGui->Unlock();
-
delete gs_mutexGui;
-#endif // wxUSE_GUI
// and free TLD slot
(void)pthread_key_delete(gs_keySelf);
void wxMutexGuiEnter()
{
-#if wxUSE_GUI
gs_mutexGui->Lock();
-#endif // wxUSE_GUI
}
void wxMutexGuiLeave()
{
-#if wxUSE_GUI
gs_mutexGui->Unlock();
-#endif // wxUSE_GUI
}
// ----------------------------------------------------------------------------
projects / wxWidgets.git / blobdiff