projects
/
urcu.git
/ blobdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
|
commitdiff
|
tree
raw
|
inline
| side by side
Fix: add missing destroy functions to queues/stack APIs
[urcu.git]
/
urcu
/
tls-compat.h
diff --git
a/urcu/tls-compat.h
b/urcu/tls-compat.h
index 2f4023258c2cf658da196090a68d5757cc617753..8ac1ea0615ddc2eb91ee51e9e15b89bd094d4c81 100644
(file)
--- a/
urcu/tls-compat.h
+++ b/
urcu/tls-compat.h
@@
-44,7
+44,7
@@
extern "C" {
* typedef int my_int_array_type[4];
* DEFINE_URCU_TLS(my_int_array_type, var_name);
*
* typedef int my_int_array_type[4];
* DEFINE_URCU_TLS(my_int_array_type, var_name);
*
- * Another ex
ma
ple:
+ * Another ex
am
ple:
* typedef void (*call_rcu_flavor)(struct rcu_head *, XXXX);
* DECLARE_URCU_TLS(call_rcu_flavor, p_call_rcu);
*
* typedef void (*call_rcu_flavor)(struct rcu_head *, XXXX);
* DECLARE_URCU_TLS(call_rcu_flavor, p_call_rcu);
*
@@
-59,6
+59,9
@@
extern "C" {
* Example: In any thread, the first call of URCU_TLS(rcu_reader)
* is called from rcu_register_thread(), so we can ensure all later
* URCU_TLS(rcu_reader) in any thread is async-signal-safe.
* Example: In any thread, the first call of URCU_TLS(rcu_reader)
* is called from rcu_register_thread(), so we can ensure all later
* URCU_TLS(rcu_reader) in any thread is async-signal-safe.
+ *
+ * Moreover, URCU_TLS variables should not be touched from signal
+ * handlers setup with with sigaltstack(2).
*/
# define DECLARE_URCU_TLS(type, name) \
*/
# define DECLARE_URCU_TLS(type, name) \
@@
-71,6
+74,10
@@
extern "C" {
#else /* #ifndef CONFIG_RCU_TLS */
#else /* #ifndef CONFIG_RCU_TLS */
+/*
+ * The *_1() macros ensure macro parameters are expanded.
+ */
+
# include <pthread.h>
struct urcu_tls {
# include <pthread.h>
struct urcu_tls {
@@
-79,14
+86,16
@@
struct urcu_tls {
int init_done;
};
int init_done;
};
-# define DECLARE_URCU_TLS
(type, name)
\
+# define DECLARE_URCU_TLS
_1(type, name)
\
type *__tls_access_ ## name(void)
type *__tls_access_ ## name(void)
+# define DECLARE_URCU_TLS(type, name) \
+ DECLARE_URCU_TLS_1(type, name)
/*
* Note: we don't free memory at process exit, since it will be dealt
* with by the OS.
*/
/*
* Note: we don't free memory at process exit, since it will be dealt
* with by the OS.
*/
-# define DEFINE_URCU_TLS
(type, name)
\
+# define DEFINE_URCU_TLS
_1(type, name)
\
type *__tls_access_ ## name(void) \
{ \
static struct urcu_tls __tls_ ## name = { \
type *__tls_access_ ## name(void) \
{ \
static struct urcu_tls __tls_ ## name = { \
@@
-115,7
+124,12
@@
struct urcu_tls {
return __tls_p; \
}
return __tls_p; \
}
-# define URCU_TLS(name) (*__tls_access_ ## name())
+# define DEFINE_URCU_TLS(type, name) \
+ DEFINE_URCU_TLS_1(type, name)
+
+# define URCU_TLS_1(name) (*__tls_access_ ## name())
+
+# define URCU_TLS(name) URCU_TLS_1(name)
#endif /* #else #ifndef CONFIG_RCU_TLS */
#endif /* #else #ifndef CONFIG_RCU_TLS */
This page took
0.024735 seconds
and
4
git commands to generate.