X-Git-Url: https://git.liburcu.org/?a=blobdiff_plain;f=urcu-bp.c;h=603cdf0f1b72f03701098ef76a5937d66bf047df;hb=refs%2Fheads%2Fstable-0.6;hp=80eaefe7ea78a35cd20d138bcb9ac6ebd08c31b4;hpb=71c811bf8db75c9502b295edb1e190f978682b65;p=urcu.git

diff --git a/urcu-bp.c b/urcu-bp.c
index 80eaefe..603cdf0 100644
--- a/urcu-bp.c
+++ b/urcu-bp.c
@@ -39,6 +39,7 @@
 #include "urcu/wfqueue.h"
 #include "urcu/map/urcu-bp.h"
 #include "urcu/static/urcu-bp.h"
+#include "urcu-pointer.h"
 
 /* Do not #define _LGPL_SOURCE to ensure we can emit the wrapper symbols */
 #undef _LGPL_SOURCE
@@ -209,9 +210,9 @@ void synchronize_rcu(void)
 	sigset_t newmask, oldmask;
 	int ret;
 
-	ret = sigemptyset(&newmask);
+	ret = sigfillset(&newmask);
 	assert(!ret);
-	ret = pthread_sigmask(SIG_SETMASK, &newmask, &oldmask);
+	ret = pthread_sigmask(SIG_BLOCK, &newmask, &oldmask);
 	assert(!ret);
 
 	mutex_lock(&rcu_gp_lock);
@@ -354,9 +355,9 @@ void rcu_bp_register(void)
 	sigset_t newmask, oldmask;
 	int ret;
 
-	ret = sigemptyset(&newmask);
+	ret = sigfillset(&newmask);
 	assert(!ret);
-	ret = pthread_sigmask(SIG_SETMASK, &newmask, &oldmask);
+	ret = pthread_sigmask(SIG_BLOCK, &newmask, &oldmask);
 	assert(!ret);
 
 	/*
@@ -373,9 +374,10 @@ end:
 	assert(!ret);
 }
 
-void rcu_bp_exit()
+void rcu_bp_exit(void)
 {
-	munmap(registry_arena.p, registry_arena.len);
+	if (registry_arena.p)
+		munmap(registry_arena.p, registry_arena.len);
 }
 
 /*
@@ -388,9 +390,9 @@ void rcu_bp_before_fork(void)
 	sigset_t newmask, oldmask;
 	int ret;
 
-	ret = sigemptyset(&newmask);
+	ret = sigfillset(&newmask);
 	assert(!ret);
-	ret = pthread_sigmask(SIG_SETMASK, &newmask, &oldmask);
+	ret = pthread_sigmask(SIG_BLOCK, &newmask, &oldmask);
 	assert(!ret);
 	mutex_lock(&rcu_gp_lock);
 	saved_fork_signal_mask = oldmask;
@@ -419,5 +421,28 @@ void rcu_bp_after_fork_child(void)
 	assert(!ret);
 }
 
+void *rcu_dereference_sym_bp(void *p)
+{
+	return _rcu_dereference(p);
+}
+
+void *rcu_set_pointer_sym_bp(void **p, void *v)
+{
+	cmm_wmb();
+	return uatomic_set(p, v);
+}
+
+void *rcu_xchg_pointer_sym_bp(void **p, void *v)
+{
+	cmm_wmb();
+	return uatomic_xchg(p, v);
+}
+
+void *rcu_cmpxchg_pointer_sym_bp(void **p, void *old, void *_new)
+{
+	cmm_wmb();
+	return uatomic_cmpxchg(p, old, _new);
+}
+
 #include "urcu-call-rcu-impl.h"
 #include "urcu-defer-impl.h"