Update.

2003-02-15  Ulrich Drepper  <drepper@redhat.com>

	* pthread_setconcurrency.c (pthread_setconcurrency): Fail for
	negative arguments.
	* Makefile (tests): Add tst-basic5.
	* tst-basic5.c: New file.

	after thread is done.  If then zero, call exit(0).

nptl/ChangeLog

@@ -1,3 +1,10 @@
+2003-02-15  Ulrich Drepper  <drepper@redhat.com>
+
+	* pthread_setconcurrency.c (pthread_setconcurrency): Fail for
+	negative arguments.
+	* Makefile (tests): Add tst-basic5.
+	* tst-basic5.c: New file.
+
 2003-02-14  Ulrich Drepper  <drepper@redhat.com>
 
 	* Makefile (tests): Add tst-basic4.
@@ -6,7 +13,7 @@
 	* pthreadP.h: Add declaraction for __nptl_nthreads.
 	* pthread_create.c: Define __nptl_nthreads
 	(start_thread): Increment __nptl_nthreads at beginning.  Decrement
-	after thread is done.  If Then zero call exit(0).
+	after thread is done.  If then zero, call exit(0).
 	* sysdeps/pthread/pthread-functions.h (struct pthread_functions):
 	Add ptr_nthreads.  Define HAVE_PTR_NTHREADS.
 	* init.c (pthread_functions): Initialize ptr_nthreads.

nptl/Makefile

@@ -136,7 +136,7 @@ tests = tst-attr1 tst-attr2 \
 	tst-key1 tst-key2 tst-key3 \
 	tst-sem1 tst-sem2 tst-sem3 tst-sem4 tst-sem5 \
 	tst-barrier1 tst-barrier2 tst-barrier3 \
-	tst-basic1 tst-basic2 tst-basic3 tst-basic4 \
+	tst-basic1 tst-basic2 tst-basic3 tst-basic4 tst-basic5 \
 	tst-join1 tst-join2 tst-join3 tst-join4 tst-join5 \
 	tst-tsd1 tst-tsd2 \
 	tst-fork1 tst-fork2 tst-fork3 \

nptl/pthread_setconcurrency.c

@@ -1,4 +1,4 @@
-/* Copyright (C) 2002 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
 
@@ -17,6 +17,7 @@
    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
    02111-1307 USA.  */
 
+#include <errno.h>
 #include "pthreadP.h"
 
 
@@ -28,6 +29,9 @@ int
 pthread_setconcurrency (level)
      int level;
 {
+  if (level < 0)
+    return EINVAL;
+
   __concurrency_level = level;
 
   /* XXX For ports which actually need to handle the concurrency level

nptl/tst-basic5.c

@@ -0,0 +1,74 @@
+/* Copyright (C) 2003 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <errno.h>
+#include <pthread.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+
+
+int
+do_test (void)
+{
+  int c = pthread_getconcurrency ();
+  if (c != 0)
+    {
+      puts ("initial concurrencylevel wrong");
+      exit (1);
+    }
+
+  if (pthread_setconcurrency (1) != 0)
+    {
+      puts ("setconcurrency failed");
+      exit (1);
+    }
+
+  c = pthread_getconcurrency ();
+  if (c != 1)
+    {
+      puts ("getconcurrency didn't return the value previous set");
+      exit (1);
+    }
+
+  int e = pthread_setconcurrency (-1);
+  if (e == 0)
+    {
+      puts ("setconcurrency of negative value didn't failed");
+      exit (1);
+    }
+  if (e != EINVAL)
+    {
+      puts ("setconcurrency didn't return EINVAL for negative value");
+      exit (1);
+    }
+
+  c = pthread_getconcurrency ();
+  if (c != 1)
+    {
+      puts ("invalid getconcurrency changed level");
+      exit (1);
+    }
+
+  return 0;
+}
+
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"