extern int std_resume_task(std_task_id_t taskId)
{
#if 0
return pthread_suspend_np(taskId) == 0 ? 1 : 0;
#else
return 1;
#endif
}
int sigsuspend(const rtl_sigset_t *sigmask){
rtl_sigset_t oset;
int flags;
#if CONFIG_KERNEL_MEMORYPROT
mprot_t mprot;
#endif
pthread_t self=pthread_self();
STARTKERNELCODE(mprot);
if (!sigmask) {
errno=EFAULT;
ENDKERNELCODE(mprot);
return -1;
}
rtl_no_interrupts(flags);
// Backup old mask.
oset=self->blocked;
/*
Instaure new.
With pthread_sigmask RTLINUX scheduler signals can't be blocked
or unblocked.
0 .. 6 from oset, 7 .. 31 to 0 OR
0 .. 6 to 0, 7 .. 31 from sigmask
*/
self->blocked= (oset & ~RTL_THREAD_SIGNALS_MASK) | (*sigmask & RTL_THREAD_SIGNALS_MASK) ;
// Mark as interrumpible by a signal.
set_bit(RTL_THREAD_SIGNAL_INTERRUMPIBLE,&self->threadflags);
// Suspend calling thread until a signal arrives.
pthread_suspend_np(self);
// do_user_signal clears the bit RTL_THREAD_SIGNAL_INTERRUMPIBLE from threadflags.
if (!test_and_clear_bit(RTL_THREAD_SIGNAL_INTERRUMPIBLE,&self->threadflags)){
errno=EINTR;
}
// Restore thread blocked set.
self->blocked=oset;
rtl_restore_interrupts(flags);
ENDKERNELCODE(mprot);
return -1;
}
