Avoid attempt for runtime checks if all environments are defined
[glibc.git] / nptl / pthread_attr_setscope.c
blob75710f9d3bd64f9db8c451b05cf7e14cb1e34f3f
1 /* Copyright (C) 2002-2016 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
19 #include <assert.h>
20 #include <errno.h>
21 #include "pthreadP.h"
24 int
25 __pthread_attr_setscope (pthread_attr_t *attr, int scope)
27 struct pthread_attr *iattr;
29 assert (sizeof (*attr) >= sizeof (struct pthread_attr));
30 iattr = (struct pthread_attr *) attr;
32 /* Catch invalid values. */
33 switch (scope)
35 case PTHREAD_SCOPE_SYSTEM:
36 iattr->flags &= ~ATTR_FLAG_SCOPEPROCESS;
37 break;
39 case PTHREAD_SCOPE_PROCESS:
40 return ENOTSUP;
42 default:
43 return EINVAL;
46 return 0;
48 strong_alias (__pthread_attr_setscope, pthread_attr_setscope)