fix for infinite sizing loop (partial patch 1907189)

[wxWidgets.git] / src / gtk1 / threadsgi.cpp

diff --git a/src/gtk1/threadsgi.cpp b/src/gtk1/threadsgi.cpp
index 3503e79616da18ce44d6ac9d691944ef9178a9e1..8f49d94a32d902b7e456bb7a96b9bccfc4ccd4ce 100644 (file)
--- a/src/gtk1/threadsgi.cpp
+++ b/src/gtk1/threadsgi.cpp
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        threadsgi.cpp
+// Name:        src/gtk1/threadsgi.cpp
 // Purpose:     wxThread (SGI) Implementation
 // Author:      Original from Wolfram Gloger/Guilhem Lavaux
 // Modified by:
@@ -8,8 +8,16 @@
 // Copyright:   (c) Wolfram Gloger (1996, 1997); Guilhem Lavaux (1998)
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
-#pragma implementation "thread.h"
+
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#include "wx/thread.h"
+
+#ifndef WX_PRECOMP
+    #include "wx/log.h"
+    #include "wx/utils.h"
+    #include "wx/module.h"
 #endif
 
 #include <stdio.h>
@@ -18,11 +26,12 @@
 #include <signal.h>
 #include <sys/wait.h>
 #include <sys/prctl.h>
-#include "wx/thread.h"
-#include "wx/module.h"
-#include "wx/utils.h"
 
-enum thread_state {
+#include "gdk/gdk.h"
+#include "gtk/gtk.h"
+
+enum thread_state
+{
   STATE_IDLE = 0,
   STATE_RUNNING,
   STATE_CANCELED,
@@ -34,7 +43,7 @@ enum thread_state {
 /////////////////////////////////////////////////////////////////////////////
 
 static int p_mainid;
-wxMutex wxMainMutex;
+wxMutex *wxMainMutex;
 
 #include "threadgui.inc"
 
@@ -57,8 +66,7 @@ wxMutex::wxMutex()
 wxMutex::~wxMutex()
 {
   if (m_locked > 0)
-    wxDebugMsg("wxMutex warning: freeing a locked mutex (%d locks)\n",
-               m_locked);
+    wxLogDebug( "wxMutex warning: freeing a locked mutex (%d locks)\n", m_locked );
   delete p_internal;
 }
 
@@ -66,24 +74,24 @@ wxMutexError wxMutex::Lock()
 {
   spin_lock(&(p_internal->p_mutex));
   m_locked++;
-  return MUTEX_NO_ERROR;
+  return wxMUTEX_NO_ERROR;
 }
 
 wxMutexError wxMutex::TryLock()
 {
   if (acquire_lock(&(p_internal->p_mutex)) != 0)
-    return MUTEX_BUSY;
+    return wxMUTEX_BUSY;
   m_locked++;
-  return MUTEX_NO_ERROR;
+  return wxMUTEX_NO_ERROR;
 }
 
 wxMutexError wxMutex::Unlock()
 {
   if (m_locked == 0)
-    return MUTEX_UNLOCKED; 
+    return wxMUTEX_UNLOCKED;
   release_lock(&(p_internal->p_mutex));
   m_locked--;
-  return MUTEX_NO_ERROR;
+  return wxMUTEX_NO_ERROR;
 }
 
 // GL: Don't know how it works on SGI. Wolfram ?
@@ -132,13 +140,13 @@ void wxThread::Exit(void* status)
 wxThreadError wxThread::Create()
 {
   if (p_internal->state != STATE_IDLE)
-    return THREAD_RUNNING;
+    return wxTHREAD_RUNNING;
   p_internal->state = STATE_RUNNING;
   if (sproc(p_internal->SprocStart, PR_SALL, this) < 0) {
     p_internal->state = STATE_IDLE;
-    return THREAD_NO_RESOURCE;
+    return wxTHREAD_NO_RESOURCE;
   }
-  return THREAD_NO_ERROR;
+  return wxTHREAD_NO_ERROR;
 }
 
 wxThreadError wxThread::Destroy()
@@ -146,17 +154,17 @@ wxThreadError wxThread::Destroy()
   if (p_internal->state == STATE_RUNNING)
     p_internal->state = STATE_CANCELED;
 
-  return THREAD_NO_ERROR;
+  return wxTHREAD_NO_ERROR;
 }
 
 wxThreadError wxThread::Pause()
 {
-  return THREAD_NO_ERROR;
+  return wxTHREAD_NO_ERROR;
 }
 
 wxThreadError wxThread::Resume()
 {
-  return THREAD_NO_ERROR;
+  return wxTHREAD_NO_ERROR;
 }
 
 void *wxThread::Join()
@@ -166,10 +174,10 @@ void *wxThread::Join()
     int stat;
 
     if (do_unlock)
-      wxMainMutex.Unlock();
+      wxMainMutex->Unlock();
     waitpid(p_internal->thread_id, &stat, 0);
     if (do_unlock)
-      wxMainMutex.Lock();
+      wxMainMutex->Lock();
     if (!WIFEXITED(stat) && !WIFSIGNALED(stat))
       return 0;
     p_internal->state = STATE_IDLE;
@@ -234,19 +242,31 @@ void wxThread::OnExit()
 }
 
 // Global initialization
-class wxThreadModule : public wxModule {
-  DECLARE_DYNAMIC_CLASS(wxThreadModule)
+
+class wxThreadModule : public wxModule
+{
 public:
-  virtual bool OnInit() {
-    wxThreadGuiInit();
-    p_mainid = (int)getpid();
-    wxMainMutex.Lock();
-  }
+    virtual bool OnInit();
+    virtual void OnExit();
 
-  virtual void OnExit() {
-    wxMainMutex.Unlock();
-    wxThreadGuiExit();
-  }
+private:
+    DECLARE_DYNAMIC_CLASS(wxThreadModule)
 };
 
 IMPLEMENT_DYNAMIC_CLASS(wxThreadModule, wxModule)
+
+bool wxThreadModule::OnInit()
+{
+    wxMainMutex = new wxMutex();
+    wxThreadGuiInit();
+    p_mainid = (int)getpid();
+    wxMainMutex->Lock();
+    return true;
+}
+
+void wxThreadModule::OnExit()
+{
+    wxMainMutex->Unlock();
+    wxThreadGuiExit();
+    delete wxMainMutex;
+}