POSIX timer support modifications.

c/src/exec/posix/src/pthreadkill.c

@@ -34,12 +34,10 @@ int pthread_kill(
   if ( sig && !is_valid_signo(sig) )
     set_errno_and_return_minus_one( EINVAL );
 
+/* commented out when posix timers added 
   if ( _POSIX_signals_Vectors[ sig ].sa_flags == SA_SIGINFO )
     set_errno_and_return_minus_one( ENOSYS );
-
-  /*
-   *  RTEMS does not support sending  a siginfo signal to a specific thread.
-   */
+*/
 
   the_thread = _POSIX_Threads_Get( thread, &location );
   switch ( location ) {

c/src/exec/posix/src/sigaction.c

@@ -22,6 +22,12 @@
 #include <rtems/posix/seterr.h>
 #include <rtems/score/isr.h>
 
+/*
+ * PARAMETERS_PASSING_S is defined in ptimer.c
+ */
+
+extern void PARAMETERS_PASSING_S (int num_signal, const struct sigaction inf);
+
 int sigaction(
   int                     sig,
   const struct sigaction *act,

c/src/exec/posix/src/sigtimedwait.c

@@ -112,6 +112,14 @@ int sigtimedwait(
     _Thread_queue_Enqueue( &_POSIX_signals_Wait_queue, interval ); 
   _Thread_Enable_dispatch();
 
+  /*
+   * When the thread is set free by a signal, it is need to eliminate
+   * the signal.
+   */
+
+  _POSIX_signals_Clear_signals( api, the_info->si_signo, the_info,
+                                FALSE, FALSE );
+
   errno = _Thread_Executing->Wait.return_code;
   return the_info->si_signo;
 }