// headers
// ----------------------------------------------------------------------------
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
- #pragma implementation "thread.h"
-#endif
-
// for compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#include "wx/intl.h"
#include "wx/dynarray.h"
#include "wx/timer.h"
+#include "wx/stopwatch.h"
#include <stdio.h>
#include <unistd.h>
#include <pthread.h>
#include <errno.h>
#include <time.h>
-#if HAVE_SCHED_H
+#ifdef HAVE_SCHED_H
#include <sched.h>
#endif
// ----------------------------------------------------------------------------
// an (non owning) array of pointers to threads
-WX_DEFINE_ARRAY(wxThread *, wxArrayThread);
+WX_DEFINE_ARRAY_PTR(wxThread *, wxArrayThread);
// an entry for a thread we can wait for
static wxArrayThread gs_allThreads;
// the id of the main thread
-static pthread_t gs_tidMain;
+static pthread_t gs_tidMain = (pthread_t)-1;
// the key for the pointer to the associated wxThread object
static pthread_key_t gs_keySelf;
extern "C"
{
-#if HAVE_THREAD_CLEANUP_FUNCTIONS
+#ifdef wxHAVE_PTHREAD_CLEANUP
// thread exit function
void wxPthreadCleanup(void *ptr);
-#endif // HAVE_THREAD_CLEANUP_FUNCTIONS
+#endif // wxHAVE_PTHREAD_CLEANUP
void *wxPthreadStart(void *ptr);
m_isDetached = TRUE;
}
-#if HAVE_THREAD_CLEANUP_FUNCTIONS
+#ifdef wxHAVE_PTHREAD_CLEANUP
// this is used by wxPthreadCleanup() only
static void Cleanup(wxThread *thread);
-#endif // HAVE_THREAD_CLEANUP_FUNCTIONS
+#endif // wxHAVE_PTHREAD_CLEANUP
private:
pthread_t m_threadId; // id of the thread
wxThreadState m_state; // see wxThreadState enum
- int m_prio; // in wxWindows units: from 0 to 100
+ int m_prio; // in wxWidgets units: from 0 to 100
// this flag is set when the thread should terminate
bool m_cancelled;
// block!
bool dontRunAtAll;
-#if HAVE_THREAD_CLEANUP_FUNCTIONS
+#ifdef wxHAVE_PTHREAD_CLEANUP
// install the cleanup handler which will be called if the thread is
// cancelled
pthread_cleanup_push(wxPthreadCleanup, thread);
-#endif // HAVE_THREAD_CLEANUP_FUNCTIONS
+#endif // wxHAVE_PTHREAD_CLEANUP
// wait for the semaphore to be posted from Run()
pthread->m_semRun.Wait();
// 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!
-#if HAVE_THREAD_CLEANUP_FUNCTIONS
+#ifdef wxHAVE_PTHREAD_CLEANUP
// remove the cleanup handler without executing it
pthread_cleanup_pop(FALSE);
-#endif // HAVE_THREAD_CLEANUP_FUNCTIONS
+#endif // wxHAVE_PTHREAD_CLEANUP
if ( dontRunAtAll )
{
}
}
-#if HAVE_THREAD_CLEANUP_FUNCTIONS
+#ifdef wxHAVE_PTHREAD_CLEANUP
// this handler is called when the thread is cancelled
extern "C" void wxPthreadCleanup(void *ptr)
thread->Exit(EXITCODE_CANCELLED);
}
-#endif // HAVE_THREAD_CLEANUP_FUNCTIONS
+#endif // wxHAVE_PTHREAD_CLEANUP
// ----------------------------------------------------------------------------
// wxThreadInternal
// wxLogDebug: it is possible to bring the system to its knees
// by creating too many threads and not joining them quite
// easily
- wxLogError(_("Failed to join a thread, potential memory leak "
- "detected - please restart the program"));
+ wxLogError(_("Failed to join a thread, potential memory leak detected - please restart the program"));
}
m_shouldBeJoined = FALSE;
bool wxThread::IsMain()
{
- return (bool)pthread_equal(pthread_self(), gs_tidMain);
+ return (bool)pthread_equal(pthread_self(), gs_tidMain) || gs_tidMain == (pthread_t)-1;
}
void wxThread::Yield()
void wxThread::Sleep(unsigned long milliseconds)
{
- wxUsleep(milliseconds);
+ wxMilliSleep(milliseconds);
}
int wxThread::GetCPUCount()
{
// if we use cleanup function, this will be done from
// wxPthreadCleanup()
-#if !HAVE_THREAD_CLEANUP_FUNCTIONS
+#ifndef wxHAVE_PTHREAD_CLEANUP
ScheduleThreadForDeletion();
// don't call OnExit() here, it can only be called in the
// threads context and we're in the context of another thread
DeleteThread(this);
-#endif // HAVE_THREAD_CLEANUP_FUNCTIONS
+#endif // wxHAVE_PTHREAD_CLEANUP
}
else
{
void wxThread::Exit(ExitCode status)
{
wxASSERT_MSG( This() == this,
- _T("wxThread::Exit() can only be called in the "
- "context of the same thread") );
+ _T("wxThread::Exit() can only be called in the context of the same thread") );
if ( m_isDetached )
{
// only call one thread function at a time :-(
DeleteThread(this);
}
+ else
+ {
+ m_critsect.Enter();
+ m_internal->SetState(STATE_EXITED);
+ m_critsect.Leave();
+ }
// terminate the thread (pthread_exit() never returns)
pthread_exit(status);
bool wxThread::TestDestroy()
{
wxASSERT_MSG( This() == this,
- _T("wxThread::TestDestroy() can only be called in the "
- "context of the same thread") );
+ _T("wxThread::TestDestroy() can only be called in the context of the same thread") );
m_critsect.Enter();
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."), GetId());
}
m_critsect.Leave();
int rc = pthread_key_create(&gs_keySelf, NULL /* dtor function */);
if ( rc != 0 )
{
- wxLogSysError(rc, _("Thread module initialization failed: "
- "failed to create thread key"));
+ wxLogSysError(rc, _("Thread module initialization failed: failed to create thread key"));
return FALSE;
}