// Copyright: (c) Wolfram Gloger (1996, 1997); Guilhem Lavaux (1998)
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
-#pragma implementation "thread.h"
-#endif
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#include "wx/thread.h"
#include <stdio.h>
#include <unistd.h>
#include <signal.h>
#include <sys/wait.h>
#include <sys/prctl.h>
+#include "wx/module.h"
+#include "wx/utils.h"
+#include "wx/log.h"
+
+#include "gdk/gdk.h"
+#include "gtk/gtk.h"
-enum thread_state {
+enum thread_state
+{
STATE_IDLE = 0,
STATE_RUNNING,
STATE_CANCELED,
/////////////////////////////////////////////////////////////////////////////
static int p_mainid;
-wxMutex wxMainMutex;
+wxMutex *wxMainMutex;
#include "threadgui.inc"
wxMutex::wxMutex()
{
+ m_locked = 0;
p_internal = new wxMutexInternal;
init_lock(&(p_internal->p_mutex));
}
wxMutex::~wxMutex()
{
+ if (m_locked > 0)
+ wxLogDebug( "wxMutex warning: freeing a locked mutex (%d locks)\n", m_locked );
+ delete p_internal;
}
-wxMutex::MutexError wxMutex::Lock()
+wxMutexError wxMutex::Lock()
{
spin_lock(&(p_internal->p_mutex));
- return NO_ERROR;
+ m_locked++;
+ return wxMUTEX_NO_ERROR;
}
-wxMutex::MutexError wxMutex::TryLock()
+wxMutexError wxMutex::TryLock()
{
if (acquire_lock(&(p_internal->p_mutex)) != 0)
- return BUSY;
- return NO_ERROR;
+ return wxMUTEX_BUSY;
+ m_locked++;
+ return wxMUTEX_NO_ERROR;
}
-wxMutex::MutexError wxMutex::Unlock()
+wxMutexError wxMutex::Unlock()
{
+ if (m_locked == 0)
+ return wxMUTEX_UNLOCKED;
release_lock(&(p_internal->p_mutex));
- return NO_ERROR;
+ m_locked--;
+ return wxMUTEX_NO_ERROR;
}
-// GLH: Don't now how it works on SGI. Wolfram ?
+// GL: Don't know how it works on SGI. Wolfram ?
wxCondition::wxCondition() {}
wxCondition::~wxCondition() {}
_exit(0);
}
-wxThread::ThreadError wxThread::Create()
+wxThreadError wxThread::Create()
{
if (p_internal->state != STATE_IDLE)
- return RUNNING;
+ return wxTHREAD_RUNNING;
p_internal->state = STATE_RUNNING;
if (sproc(p_internal->SprocStart, PR_SALL, this) < 0) {
p_internal->state = STATE_IDLE;
- return NO_RESOURCE;
+ return wxTHREAD_NO_RESOURCE;
}
- return NO_ERROR;
+ return wxTHREAD_NO_ERROR;
}
-void wxThread::Destroy()
+wxThreadError wxThread::Destroy()
{
if (p_internal->state == STATE_RUNNING)
p_internal->state = STATE_CANCELED;
+
+ return wxTHREAD_NO_ERROR;
+}
+
+wxThreadError wxThread::Pause()
+{
+ return wxTHREAD_NO_ERROR;
+}
+
+wxThreadError wxThread::Resume()
+{
+ return wxTHREAD_NO_ERROR;
}
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;
return 0;
}
-bool wxThreadIsMain()
+bool wxThread::IsMain()
{
return (int)getpid() == main_id;
}
+bool wxThread::IsAlive() const
+{
+ return (p_internal->state == STATE_RUNNING);
+}
+
+bool wxThread::IsRunning() const
+{
+ return (p_internal->state == STATE_RUNNING);
+}
+
wxThread::wxThread()
{
p_internal = new wxThreadPrivate();
}
// Global initialization
-class wxThreadModule : public wxModule {
- DECLARE_DYNAMIC_CLASS(wxThreadModule)
+
+class wxThreadModule : public wxModule
+{
public:
- virtual bool OnInit() {
+ virtual bool OnInit();
+ virtual void OnExit();
+
+private:
+ DECLARE_DYNAMIC_CLASS(wxThreadModule)
+};
+
+IMPLEMENT_DYNAMIC_CLASS(wxThreadModule, wxModule)
+
+bool wxThreadModule::OnInit()
+{
+ wxMainMutex = new wxMutex();
wxThreadGuiInit();
p_mainid = (int)getpid();
- wxMainMutex.Lock();
- }
+ wxMainMutex->Lock();
+ return TRUE;
+}
- virtual void OnExit() {
- wxMainMutex.Unlock();
+void wxThreadModule::OnExit()
+{
+ wxMainMutex->Unlock();
wxThreadGuiExit();
- }
-};
+ delete wxMainMutex;
+}
-IMPLEMENT_DYNAMIC_CLASS(wxThreadModule, wxModule)