Update.

	* pthread_attr_setschedparam.c: Don't test priority against limits
	here.  Set ATTR_FLAG_SCHED_SET flag.
	* pthread_attr_setschedpolicy.c: Set ATTR_FLAG_POLICY_SET flag.
	* pthread_create.c (__pthread_create_2_1): Copy scheduling attributes
	from parent thread to child.  If attribute is used and scheduling
	parameters are not inherited, copy parameters from attribute or
	compute them.  Check priority value.
	* pthread_getschedparam.c: If the parameters aren't known yet get
	them from the kernel.
	* pthread_setschedparam.c: Set ATTR_FLAG_SCHED_SET and
	ATTR_FLAG_POLICY_SET flag for thread.
	* sysdeps/unix/sysv/linux/internaltypes.h: Define ATTR_FLAG_SCHED_SET
	and ATTR_FLAG_POLICY_SET.

	* sysdeps/pthread/createthread.c: Use tgkill if possible.

1 files changed, 29 insertions, 6 deletions

diff --git a/nptl/pthread_getschedparam.c b/nptl/pthread_getschedparam.c
index d9d6cb43b0..434d867779 100644
--- a/nptl/pthread_getschedparam.c
+++ b/nptl/pthread_getschedparam.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
 
@@ -36,8 +36,10 @@ __pthread_getschedparam (threadid, policy, param)
     /* Not a valid thread handle.  */
     return ESRCH;
 
+  int result = 0;
+
   /* We have to handle cancellation in the following code since we are
-     locking another threads desriptor.  */
+     locking another threads descriptor.  */
   pthread_cleanup_push ((void (*) (void *)) lll_unlock_wake_cb, &pd->lock);
 
   lll_lock (pd->lock);
@@ -45,14 +47,35 @@ __pthread_getschedparam (threadid, policy, param)
   /* The library is responsible for maintaining the values at all
      times.  If the user uses a interface other than
      pthread_setschedparam to modify the scheduler setting it is not
-     the library's problem.  */
-  *policy = pd->schedpolicy;
-  memcpy (param, &pd->schedparam, sizeof (struct sched_param));
+     the library's problem.  In case the descriptor's values have
+     not yet been retrieved do it now.  */
+  if ((pd->flags & ATTR_FLAG_SCHED_SET) == 0)
+    {
+      if (__sched_getparam (pd->tid, &pd->schedparam) != 0)
+	result = 1;
+      else
+	pd->flags |= ATTR_FLAG_SCHED_SET;
+    }
+
+  if ((pd->flags & ATTR_FLAG_POLICY_SET) == 0)
+    {
+      pd->schedpolicy = __sched_getscheduler (pd->tid);
+      if (pd->schedpolicy == -1)
+	result = 1;
+      else
+	pd->flags |= ATTR_FLAG_POLICY_SET;
+    }
+
+  if (result == 0)
+    {
+      *policy = pd->schedpolicy;
+      memcpy (param, &pd->schedparam, sizeof (struct sched_param));
+    }
 
   lll_unlock (pd->lock);
 
   pthread_cleanup_pop (0);
 
-  return 0;
+  return result;
 }
 strong_alias (__pthread_getschedparam, pthread_getschedparam)