X-Git-Url: https://git.lttng.org/?p=urcu.git;a=blobdiff_plain;f=urcu-bp.c;h=cbdebf407a892c2d201d42d948025723702414e7;hp=6b78af8bd8dfc77545a8a11adcfec997434e57bd;hb=7937ae1cd35218d2485f58757a0b9cb910a28e28;hpb=f541831e757bc5e0143550f5d686bed0de7d41b7

diff --git a/urcu-bp.c b/urcu-bp.c
index 6b78af8..cbdebf4 100644
--- a/urcu-bp.c
+++ b/urcu-bp.c
@@ -36,6 +36,7 @@
 #include <unistd.h>
 #include <sys/mman.h>
 
+#include "urcu/arch.h"
 #include "urcu/wfcqueue.h"
 #include "urcu/map/urcu-bp.h"
 #include "urcu/static/urcu-bp.h"
@@ -94,16 +95,9 @@ void *mremap_wrapper(void *old_address, size_t old_size,
 static
 int rcu_bp_refcount;
 
-/*
- * RCU_MEMBARRIER is only possibly available on Linux.
- */
-#ifdef __linux__
-#include <urcu/syscall-compat.h>
-#endif
-
-/* If the headers do not support SYS_membarrier, fall back on RCU_MB */
-#ifdef SYS_membarrier
-# define membarrier(...)		syscall(SYS_membarrier, __VA_ARGS__)
+/* If the headers do not support membarrier system call, fall back smp_mb. */
+#ifdef __NR_membarrier
+# define membarrier(...)		syscall(__NR_membarrier, __VA_ARGS__)
 #else
 # define membarrier(...)		-ENOSYS
 #endif
@@ -385,7 +379,7 @@ void expand_arena(struct registry_arena *arena)
 			-1, 0);
 		if (new_chunk == MAP_FAILED)
 			abort();
-		bzero(new_chunk, new_chunk_len);
+		memset(new_chunk, 0, new_chunk_len);
 		new_chunk->data_len =
 			new_chunk_len - sizeof(struct registry_chunk);
 		cds_list_add_tail(&new_chunk->node, &arena->chunk_list);
@@ -405,7 +399,7 @@ void expand_arena(struct registry_arena *arena)
 	if (new_chunk != MAP_FAILED) {
 		/* Should not have moved. */
 		assert(new_chunk == last_chunk);
-		bzero((char *) last_chunk + old_chunk_len,
+		memset((char *) last_chunk + old_chunk_len, 0,
 			new_chunk_len - old_chunk_len);
 		last_chunk->data_len =
 			new_chunk_len - sizeof(struct registry_chunk);
@@ -419,7 +413,7 @@ void expand_arena(struct registry_arena *arena)
 		-1, 0);
 	if (new_chunk == MAP_FAILED)
 		abort();
-	bzero(new_chunk, new_chunk_len);
+	memset(new_chunk, 0, new_chunk_len);
 	new_chunk->data_len =
 		new_chunk_len - sizeof(struct registry_chunk);
 	cds_list_add_tail(&new_chunk->node, &arena->chunk_list);
@@ -618,6 +612,7 @@ void rcu_bp_exit(void)
 			munmap(chunk, chunk->data_len
 					+ sizeof(struct registry_chunk));
 		}
+		CDS_INIT_LIST_HEAD(&registry_arena.chunk_list);
 		ret = pthread_key_delete(urcu_bp_key);
 		if (ret)
 			abort();