Minimal implementation of --rescomp option for wx-config,

[wxWidgets.git] / src / unix / threadpsx.cpp

diff --git a/src/unix/threadpsx.cpp b/src/unix/threadpsx.cpp
index 86c408883416898b0d5d4d448ce2576870e8b481..2eb63474f914f0ea0ec82daabd9a594e56977c37 100644 (file)
--- a/src/unix/threadpsx.cpp
+++ b/src/unix/threadpsx.cpp
@@ -170,7 +170,8 @@ private:
     friend class wxConditionInternal;
 };
 
-#ifdef HAVE_PTHREAD_MUTEXATTR_T
+#if defined(HAVE_PTHREAD_MUTEXATTR_T) && \
+        wxUSE_UNIX && !defined(HAVE_PTHREAD_MUTEXATTR_SETTYPE_DECL)
 // 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);
@@ -760,7 +761,7 @@ void *wxThreadInternal::PthreadStart(wxThread *thread)
 
         wxLogTrace(TRACE_THREADS,
                    _T("Thread %ld Entry() returned %lu."),
-                   THR_ID(pthread), (unsigned long)pthread->m_exitcode);
+                   THR_ID(pthread), wxPtrToUInt(pthread->m_exitcode));
 
         {
             wxCriticalSectionLocker lock(thread->m_critsect);
@@ -772,12 +773,21 @@ void *wxThreadInternal::PthreadStart(wxThread *thread)
         }
     }
 
-    // NB: at least under Linux, pthread_cleanup_push/pop are macros and pop
-    //     contains the matching '}' for the '{' in push, so they must be used
-    //     in the same block!
+    // NB: pthread_cleanup_push/pop() are macros and pop contains the matching
+    //     '}' for the '{' in push, so they must be used in the same block!
 #ifdef wxHAVE_PTHREAD_CLEANUP
+    #ifdef __DECCXX
+        // under Tru64 we get a warning from macro expansion
+        #pragma message save
+        #pragma message disable(declbutnotref)
+    #endif
+
     // remove the cleanup handler without executing it
     pthread_cleanup_pop(FALSE);
+
+    #ifdef __DECCXX
+        #pragma message restore
+    #endif
 #endif // wxHAVE_PTHREAD_CLEANUP
 
     if ( dontRunAtAll )
@@ -1058,7 +1068,13 @@ wxThread::wxThread(wxThreadKind kind)
     m_isDetached = kind == wxTHREAD_DETACHED;
 }
 
-wxThreadError wxThread::Create(unsigned int WXUNUSED(stackSize))
+#ifdef HAVE_PTHREAD_ATTR_SETSTACKSIZE
+    #define WXUNUSED_STACKSIZE(identifier)  identifier
+#else
+    #define WXUNUSED_STACKSIZE(identifier)  WXUNUSED(identifier)
+#endif
+
+wxThreadError wxThread::Create(unsigned int WXUNUSED_STACKSIZE(stackSize))
 {
     if ( m_internal->GetState() != STATE_NEW )
     {
@@ -1070,6 +1086,11 @@ wxThreadError wxThread::Create(unsigned int WXUNUSED(stackSize))
     pthread_attr_t attr;
     pthread_attr_init(&attr);
 
+#ifdef HAVE_PTHREAD_ATTR_SETSTACKSIZE
+    if (stackSize)
+      pthread_attr_setstacksize(&attr, stackSize);
+#endif
+
 #ifdef HAVE_THREAD_PRIORITY_FUNCTIONS
     int policy;
     if ( pthread_attr_getschedpolicy(&attr, &policy) != 0 )
@@ -1204,42 +1225,21 @@ void wxThread::SetPriority(unsigned int prio)
         case STATE_PAUSED:
 #ifdef HAVE_THREAD_PRIORITY_FUNCTIONS
 #if defined(__LINUX__)
-// On Linux, pthread_setschedparam with SCHED_OTHER does not allow
-// a priority other than 0.  Instead, we use the BSD setpriority
-// which alllows us to set a 'nice' value between 20 to -20.  Only
-// super user can set a value less than zero (more negative yields
-// higher priority).  setpriority set the static priority of a process,
-// but this is OK since Linux is configured as a thread per process.
-            {
-                float   fPrio;
-                float  pSpan;
-                int            iPrio;
-
-                // Map Wx priorites (WXTHREAD_MIN_PRIORITY -
-                // WXTHREAD_MAX_PRIORITY) into BSD priorities (20 - -20).
-                // Do calculation of values instead of hard coding them
-                // to make maintenance easier.
-
-                pSpan = ((float)(WXTHREAD_MAX_PRIORITY - WXTHREAD_MIN_PRIORITY)) / 2.0;
-
-                // prio starts as ...................  // value =>  (0) >=  p  <=  (n)
-
-                fPrio = ((float)prio) -  pSpan;        // value =>  (-n) >=  p  <=  (+n)
-
-                fPrio = 0.0 - fPrio;                   // value =>  (+n) <=  p  >=  (-n)
-
-                fPrio = fPrio * (20. / pSpan) + .5;    // value =>  (20) <=  p  >=  (-20)
-
-                iPrio = (int)fPrio;
-
-                // Clamp prio from 20 - -20;
-                iPrio = (iPrio > 20)  ?  20 : iPrio;
-                iPrio = (iPrio < -20) ? -20 : iPrio;
+            // On Linux, pthread_setschedparam with SCHED_OTHER does not allow
+            // a priority other than 0.  Instead, we use the BSD setpriority
+            // which alllows us to set a 'nice' value between 20 to -20.  Only
+            // super user can set a value less than zero (more negative yields
+            // higher priority).  setpriority set the static priority of a
+            // process, but this is OK since Linux is configured as a thread
+            // per process.
+            //
+            // FIXME this is not true for 2.6!!
 
-                if (setpriority(PRIO_PROCESS, 0, iPrio) == -1)
-                {
-                    wxLogError(_("Failed to set thread priority %d."), prio);
-                }
+            // map wx priorites WXTHREAD_MIN_PRIORITY..WXTHREAD_MAX_PRIORITY
+            // to Unix priorities 20..-20
+            if ( setpriority(PRIO_PROCESS, 0, -(2*prio)/5 + 20) == -1 )
+            {
+                wxLogError(_("Failed to set thread priority %d."), prio);
             }
 #else // __LINUX__
             {
@@ -1420,13 +1420,14 @@ wxThreadError wxThread::Kill()
         default:
 #ifdef HAVE_PTHREAD_CANCEL
             if ( pthread_cancel(m_internal->GetId()) != 0 )
-#endif
+#endif // HAVE_PTHREAD_CANCEL
             {
                 wxLogError(_("Failed to terminate a thread."));
 
                 return wxTHREAD_MISC_ERROR;
             }
 
+#ifdef HAVE_PTHREAD_CANCEL
             if ( m_isDetached )
             {
                 // if we use cleanup function, this will be done from
@@ -1446,6 +1447,7 @@ wxThreadError wxThread::Kill()
             }
 
             return wxTHREAD_NO_ERROR;
+#endif // HAVE_PTHREAD_CANCEL
     }
 }
 
@@ -1530,7 +1532,8 @@ wxThread::~wxThread()
     if ( m_internal->GetState() != STATE_EXITED &&
          m_internal->GetState() != STATE_NEW )
     {
-        wxLogDebug(_T("The thread %ld is being destroyed although it is still running! The application may crash."), GetId());
+        wxLogDebug(_T("The thread %ld is being destroyed although it is still running! The application may crash."),
+                   (long)GetId());
     }
 
     m_critsect.Leave();