/*
* ptw32_throw
*
* All canceled and explicitly exited POSIX threads go through
* here. This routine knows how to exit both POSIX initiated threads and
* 'implicit' POSIX threads for each of the possible language modes (C,
* C++, and SEH).
*/
void
ptw32_throw (DWORD exception)
{
/*
* Don't use pthread_self() to avoid creating an implicit POSIX thread handle
* unnecessarily.
*/
pthread_t self = (pthread_t) pthread_getspecific (ptw32_selfThreadKey);
#ifdef __CLEANUP_SEH
DWORD exceptionInformation[3];
#endif
if (exception != PTW32_EPS_CANCEL && exception != PTW32_EPS_EXIT)
{
/* Should never enter here */
exit (1);
}
if (NULL == self || self->implicit)
{
/*
* We're inside a non-POSIX initialised Win32 thread
* so there is no point to jump or throw back to. Just do an
* explicit thread exit here after cleaning up POSIX
* residue (i.e. cleanup handlers, POSIX thread handle etc).
*/
unsigned exitCode = 0;
switch (exception)
{
case PTW32_EPS_CANCEL:
exitCode = (unsigned) PTHREAD_CANCELED;
break;
case PTW32_EPS_EXIT:
exitCode = (unsigned) self->exitStatus;;
break;
}
pthread_win32_thread_detach_np ();
#if ! defined (__MINGW32__) || defined (__MSVCRT__)
_endthreadex (exitCode);
#else
_endthread ();
#endif
}
#ifdef __CLEANUP_SEH
exceptionInformation[0] = (DWORD) (exception);
exceptionInformation[1] = (DWORD) (0);
exceptionInformation[2] = (DWORD) (0);
RaiseException (EXCEPTION_PTW32_SERVICES, 0, 3, exceptionInformation);
#else /* __CLEANUP_SEH */
#ifdef __CLEANUP_C
ptw32_pop_cleanup_all (1);
longjmp (self->start_mark, exception);
#else /* __CLEANUP_C */
#ifdef __CLEANUP_CXX
switch (exception)
{
case PTW32_EPS_CANCEL:
throw ptw32_exception_cancel ();
break;
case PTW32_EPS_EXIT:
throw ptw32_exception_exit ();
break;
}
#else
#error ERROR [__FILE__, line __LINE__]: Cleanup type undefined.
#endif /* __CLEANUP_CXX */
#endif /* __CLEANUP_C */
#endif /* __CLEANUP_SEH */
/* Never reached */
}
void
ptw32_throw(DWORD exception)
{
#ifdef __CLEANUP_C
pthread_t self = pthread_self();
#endif
#ifdef __CLEANUP_SEH
DWORD exceptionInformation[3];
#endif
if (exception != PTW32_EPS_CANCEL &&
exception != PTW32_EPS_EXIT)
{
/* Should never enter here */
exit(1);
}
#ifdef __CLEANUP_SEH
exceptionInformation[0] = (DWORD) (exception);
exceptionInformation[1] = (DWORD) (0);
exceptionInformation[2] = (DWORD) (0);
RaiseException (
EXCEPTION_PTW32_SERVICES,
0,
3,
exceptionInformation);
#else /* __CLEANUP_SEH */
#ifdef __CLEANUP_C
ptw32_pop_cleanup_all( 1 );
longjmp( self->start_mark, exception );
#else /* __CLEANUP_C */
#ifdef __CLEANUP_CXX
switch (exception)
{
case PTW32_EPS_CANCEL:
throw ptw32_exception_cancel();
break;
case PTW32_EPS_EXIT:
throw ptw32_exception_exit();
break;
}
#else
#error ERROR [__FILE__, line __LINE__]: Cleanup type undefined.
#endif /* __CLEANUP_CXX */
#endif /* __CLEANUP_C */
#endif /* __CLEANUP_SEH */
/* Never reached */
}
