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Fix TLS detection: test with linker, add --disable-compiler-tls
[urcu.git]
/
README
diff --git
a/README
b/README
index 303c6ec48fc0fd948de29d1bc1319e523d7eadd4..72d92706a95505ba687177e415d84c3e1edd2d5a 100644
(file)
--- a/
README
+++ b/
README
@@
-260,3
+260,10
@@
Interaction with fork()
call_rcu_after_fork_parent() after the fork(). The child
process must invoke call_rcu_after_fork_child().
These three APIs are suitable for passing to pthread_atfork().
call_rcu_after_fork_parent() after the fork(). The child
process must invoke call_rcu_after_fork_child().
These three APIs are suitable for passing to pthread_atfork().
+
+Thread Local Storage (TLS)
+
+ Userspace RCU can fall back on pthread_getspecific() to emulate
+ TLS variables on systems where it is not available. This behavior
+ can be forced by specifying --disable-compiler-tls as configure
+ argument.
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