1 /* libc-internal interface for thread-specific data.
2 Copyright (C) 1998,99,2002 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
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 License as
7 published by the Free Software Foundation; either version 2.1 of the
8 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; see the file COPYING.LIB. If not,
17 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 Boston, MA 02111-1307, USA. */
20 #include <sys/cdefs.h> /* for __const */
21 #include <bits/libc-tsd.h>
23 #if !(USE_TLS && HAVE___THREAD)
25 /* This file provides uinitialized (common) definitions for the
26 hooks used internally by libc to access thread-specific data.
28 When -lpthread is used, it provides initialized definitions for these
29 variables (in specific.c), which override these uninitialized definitions.
31 If -lpthread is not used, these uninitialized variables default to zero,
32 which the __libc_tsd_* macros check for. */
34 void *(*__libc_internal_tsd_get
) (enum __libc_tsd_key_t
);
35 int (*__libc_internal_tsd_set
) (enum __libc_tsd_key_t
,
37 void **(*__libc_internal_tsd_address
) (enum __libc_tsd_key_t
)
38 __THROW
__attribute__ ((__const__
));
40 #endif /* !(USE_TLS && HAVE___THREAD) */
42 int __libc_alloca_cutoff (size_t size
)
44 return size
<= __MAX_ALLOCA_CUTOFF
;