X-Git-Url: https://git.liburcu.org/?a=blobdiff_plain;f=src%2Furcu-bp.c;h=35ac9dbed12b01e19166e93e5f176a9c2dc490da;hb=129e1dd6dbd0c9bf3785a7704356cd61522b6043;hp=0653f9dff769b89281d5ec2edf4608d5604edbdf;hpb=ce28e67a534dcf0b68ccad2218e5a2e552e6e469;p=urcu.git

diff --git a/src/urcu-bp.c b/src/urcu-bp.c
index 0653f9d..35ac9db 100644
--- a/src/urcu-bp.c
+++ b/src/urcu-bp.c
@@ -23,6 +23,7 @@
  * IBM's contributions to this file may be relicensed under LGPLv2 or later.
  */
 
+#define URCU_NO_COMPAT_IDENTIFIERS
 #define _LGPL_SOURCE
 #include <stdio.h>
 #include <pthread.h>
@@ -36,6 +37,7 @@
 #include <stdbool.h>
 #include <sys/mman.h>
 
+#include <urcu/config.h>
 #include <urcu/arch.h>
 #include <urcu/wfcqueue.h>
 #include <urcu/map/urcu-bp.h>
@@ -73,8 +75,10 @@ void *mremap_wrapper(void *old_address, size_t old_size,
  * This is not generic.
 */
 static
-void *mremap_wrapper(void *old_address, size_t old_size,
-		size_t new_size, int flags)
+void *mremap_wrapper(void *old_address __attribute__((unused)),
+		size_t old_size __attribute__((unused)),
+		size_t new_size __attribute__((unused)),
+		int flags)
 {
 	assert(!(flags & MREMAP_MAYMOVE));
 
@@ -117,6 +121,7 @@ static
 void __attribute__((constructor)) _urcu_bp_init(void);
 static
 void __attribute__((destructor)) urcu_bp_exit(void);
+static void urcu_call_rcu_exit(void);
 
 #ifndef CONFIG_RCU_FORCE_SYS_MEMBARRIER
 int urcu_bp_has_sys_membarrier;
@@ -151,8 +156,7 @@ URCU_ATTR_ALIAS("urcu_bp_gp") extern struct urcu_bp_gp rcu_gp_bp;
  * by both the reader and the writers.
  */
 DEFINE_URCU_TLS(struct urcu_bp_reader *, urcu_bp_reader);
-URCU_ATTR_ALIAS("urcu_bp_reader")
-extern struct urcu_bp_reader *rcu_reader_bp;
+DEFINE_URCU_TLS_ALIAS(struct urcu_bp_reader *, urcu_bp_reader, rcu_reader_bp);
 
 static CDS_LIST_HEAD(registry);
 
@@ -566,6 +570,12 @@ end:
 }
 URCU_ATTR_ALIAS("urcu_bp_register") void rcu_bp_register();
 
+void urcu_bp_register_thread(void)
+{
+	if (caa_unlikely(!URCU_TLS(urcu_bp_reader)))
+		urcu_bp_register(); /* If not yet registered. */
+}
+
 /* Disable signals, take mutex, remove from registry */
 static
 void urcu_bp_unregister(struct rcu_reader *rcu_reader_reg)
@@ -653,6 +663,8 @@ void _urcu_bp_init(void)
 static
 void urcu_bp_exit(void)
 {
+	urcu_call_rcu_exit();
+
 	mutex_lock(&init_lock);
 	if (!--urcu_bp_refcount) {
 		struct registry_chunk *chunk, *tmp;