couple of minor bug fixes/enhancements (interface unchanged)

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

diff --git a/src/gtk1/threadpsx.cpp b/src/gtk1/threadpsx.cpp
index ce5396c6d7d052f0a376f09b98e372fce91eb375..363f0636eafc5bbab35e30b72e7e042fb81e61e5 100644 (file)
--- a/src/gtk1/threadpsx.cpp
+++ b/src/gtk1/threadpsx.cpp
@@ -14,8 +14,11 @@
 
 #include <stdio.h>
 #include <unistd.h>
-#include <sched.h>
 #include <pthread.h>
+#include <errno.h>
+#include "wx/thread.h"
+#include "wx/module.h"
+#include "wx/utils.h"
 
 enum thread_state {
   STATE_IDLE = 0,
@@ -28,8 +31,6 @@ enum thread_state {
 // Static variables
 /////////////////////////////////////////////////////////////////////////////
 
-#include "thread.h"
-
 static pthread_t p_mainid;
 wxMutex wxMainMutex; // controls access to all GUI functions
 
@@ -51,13 +52,15 @@ wxMutex::wxMutex()
 {
   p_internal = new wxMutexInternal;
   pthread_mutex_init(&(p_internal->p_mutex), NULL);
-  m_locked = false;
+  m_locked = 0;
 }
 
 wxMutex::~wxMutex()
 {
-  if (m_locked)
-    pthread_mutex_unlock(&(p_internal->p_mutex));
+  if (m_locked > 0)
+    wxDebugMsg("wxMutex warning: freeing a locked mutex (%d locks)\n",
+               m_locked);
+
   pthread_mutex_destroy(&(p_internal->p_mutex));
   delete p_internal;
 }
@@ -67,9 +70,8 @@ wxMutexError wxMutex::Lock()
   int err;
 
   err = pthread_mutex_lock(&(p_internal->p_mutex));
-  switch (err) {
-  case EDEADLK: return MUTEX_DEAD_LOCK;
-  }
+  if (err == EDEADLK)
+    return MUTEX_DEAD_LOCK;
   m_locked++;
   return MUTEX_NO_ERROR;
 }
@@ -90,7 +92,10 @@ wxMutexError wxMutex::TryLock()
 
 wxMutexError wxMutex::Unlock()
 {
-  if (m_locked > 0) m_locked--;
+  if (m_locked > 0)
+    m_locked--;
+  else
+    return MUTEX_UNLOCKED;
   pthread_mutex_unlock(&(p_internal->p_mutex));
   return MUTEX_NO_ERROR;
 }
@@ -274,7 +279,7 @@ void wxThread::TestDestroy()
   pthread_testcancel();
 }
 
-bool wxThread::IsMain() const
+bool wxThread::IsMain()
 {
   return (bool)pthread_equal(pthread_self(), p_mainid);
 }