X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Ftls.h;h=09faadeecf31a9ff0377cabd6e3fa960e763ef7f;hb=35dda7458879acb367f2cba0aaf7856cd98f5b63;hp=ff36155c2ea5741659130b8bc10b4479ff69cb3d;hpb=37b09d7dc2c5956fbd70c211ed164a9ee1f7e349;p=gnulib.git
diff --git a/lib/tls.h b/lib/tls.h
index ff36155c2..09faadeec 100644
--- a/lib/tls.h
+++ b/lib/tls.h
@@ -1,20 +1,18 @@
/* Thread-local storage in multithreaded situations.
- Copyright (C) 2005 Free Software Foundation, Inc.
+ Copyright (C) 2005, 2007 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)
- any later version.
+ 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 3 of the License, 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, see . */
/* Written by Bruno Haible , 2005. */
@@ -38,6 +36,9 @@
*/
+#ifndef _TLS_H
+#define _TLS_H
+
/* ========================================================================= */
#if USE_POSIX_THREADS
@@ -90,28 +91,40 @@ typedef union
}
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 ()
+ do \
+ { \
+ if (pthread_in_use () && pthread_key_delete ((NAME).key) != 0) \
+ abort (); \
+ } \
+ while (0)
#endif
@@ -151,28 +164,40 @@ typedef union
}
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 ()
+ do \
+ { \
+ if (pth_in_use () && !pth_key_delete ((NAME).key)) \
+ abort (); \
+ } \
+ while (0)
#endif
@@ -211,26 +236,34 @@ typedef union
}
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
@@ -248,16 +281,28 @@ extern void *glthread_tls_get (thread_key_t key);
typedef DWORD gl_tls_key_t;
# define gl_tls_key_init(NAME, DESTRUCTOR) \
/* The destructor is unsupported. */ \
- if (((NAME) = TlsAlloc ()) == (DWORD)-1) \
- abort ()
+ do \
+ { \
+ if (((NAME) = TlsAlloc ()) == (DWORD)-1) \
+ abort (); \
+ } \
+ while (0)
# define gl_tls_get(NAME) \
TlsGetValue (NAME)
# define gl_tls_set(NAME, POINTER) \
- if (!TlsSetValue (NAME, POINTER)) \
- abort ()
+ do \
+ { \
+ if (!TlsSetValue (NAME, POINTER)) \
+ abort (); \
+ } \
+ while (0)
# define gl_tls_key_destroy(NAME) \
- if (!TlsFree (NAME)) \
- abort ()
+ do \
+ { \
+ if (!TlsFree (NAME)) \
+ abort (); \
+ } \
+ while (0)
#endif
@@ -284,3 +329,7 @@ typedef struct
(void)0
#endif
+
+/* ========================================================================= */
+
+#endif /* _TLS_H */