/* Thread-local storage in multithreaded situations.
Copyright (C) 2005 Free Software Foundation, Inc.
- This program is free software; you can redistribute it and/or modify it
- under the terms of the GNU Library General Public License as published
- by the Free Software Foundation; either version 2, or (at your option)
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2, or (at your option)
any later version.
This program 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
- Library General Public License for more details.
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
- You should have received a copy of the GNU Library General Public
- License along with this program; if not, write to the Free Software
- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
- USA. */
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software Foundation,
+ Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
/* Written by Bruno Haible <bruno@clisp.org>, 2005. */
*/
+#ifndef _TLS_H
+#define _TLS_H
+
/* ========================================================================= */
#if USE_POSIX_THREADS
}
gl_tls_key_t;
# define gl_tls_key_init(NAME, DESTRUCTOR) \
- if (pthread_in_use ()) \
- { \
- if (pthread_key_create (&(NAME).key, DESTRUCTOR) != 0) \
- abort (); \
- } \
- else \
- (NAME).singlethread_value = NULL
+ do \
+ { \
+ if (pthread_in_use ()) \
+ { \
+ if (pthread_key_create (&(NAME).key, DESTRUCTOR) != 0) \
+ abort (); \
+ } \
+ else \
+ (NAME).singlethread_value = NULL; \
+ } \
+ while (0)
# define gl_tls_get(NAME) \
(pthread_in_use () \
? pthread_getspecific ((NAME).key) \
: (NAME).singlethread_value)
# define gl_tls_set(NAME, POINTER) \
- if (pthread_in_use ()) \
- { \
- if (pthread_setspecific ((NAME).key, (POINTER)) != 0) \
- abort (); \
- } \
- else \
- (NAME).singlethread_value = (POINTER)
+ do \
+ { \
+ if (pthread_in_use ()) \
+ { \
+ if (pthread_setspecific ((NAME).key, (POINTER)) != 0) \
+ abort (); \
+ } \
+ else \
+ (NAME).singlethread_value = (POINTER); \
+ } \
+ while (0)
# define gl_tls_key_destroy(NAME) \
if (pthread_in_use () && pthread_key_delete ((NAME).key) != 0) \
abort ()
}
gl_tls_key_t;
# define gl_tls_key_init(NAME, DESTRUCTOR) \
- if (pth_in_use ()) \
- { \
- if (!pth_key_create (&(NAME).key, DESTRUCTOR)) \
- abort (); \
- } \
- else \
- (NAME).singlethread_value = NULL
+ do \
+ { \
+ if (pth_in_use ()) \
+ { \
+ if (!pth_key_create (&(NAME).key, DESTRUCTOR)) \
+ abort (); \
+ } \
+ else \
+ (NAME).singlethread_value = NULL; \
+ } \
+ while (0)
# define gl_tls_get(NAME) \
(pth_in_use () \
? pth_key_getdata ((NAME).key) \
: (NAME).singlethread_value)
# define gl_tls_set(NAME, POINTER) \
- if (pth_in_use ()) \
- { \
- if (!pth_key_setdata ((NAME).key, (POINTER))) \
- abort (); \
- } \
- else \
- (NAME).singlethread_value = (POINTER)
+ do \
+ { \
+ if (pth_in_use ()) \
+ { \
+ if (!pth_key_setdata ((NAME).key, (POINTER))) \
+ abort (); \
+ } \
+ else \
+ (NAME).singlethread_value = (POINTER); \
+ } \
+ while (0)
# define gl_tls_key_destroy(NAME) \
if (pth_in_use () && !pth_key_delete ((NAME).key)) \
abort ()
}
gl_tls_key_t;
# define gl_tls_key_init(NAME, DESTRUCTOR) \
- if (thread_in_use ()) \
- { \
- if (thr_keycreate (&(NAME).key, DESTRUCTOR) != 0) \
- abort (); \
- } \
- else \
- (NAME).singlethread_value = NULL
+ do \
+ { \
+ if (thread_in_use ()) \
+ { \
+ if (thr_keycreate (&(NAME).key, DESTRUCTOR) != 0) \
+ abort (); \
+ } \
+ else \
+ (NAME).singlethread_value = NULL; \
+ } \
+ while (0)
# define gl_tls_get(NAME) \
(thread_in_use () \
? glthread_tls_get ((NAME).key) \
: (NAME).singlethread_value)
extern void *glthread_tls_get (thread_key_t key);
# define gl_tls_set(NAME, POINTER) \
- if (thread_in_use ()) \
- { \
- if (thr_setspecific ((NAME).key, (POINTER)) != 0) \
- abort (); \
- } \
- else \
- (NAME).singlethread_value = (POINTER)
+ do \
+ { \
+ if (thread_in_use ()) \
+ { \
+ if (thr_setspecific ((NAME).key, (POINTER)) != 0) \
+ abort (); \
+ } \
+ else \
+ (NAME).singlethread_value = (POINTER); \
+ } \
+ while (0)
# define gl_tls_key_destroy(NAME) \
/* Unsupported. */ \
(void)0
(void)0
#endif
+
+/* ========================================================================= */
+
+#endif /* _TLS_H */