X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=urcu-qsbr.c;h=d02572513139eb5986529328c0066deb319cafc9;hb=e198fb6a2ebc22ceac8b10d953103b59452f24d4;hp=2cd6c126d8dd8d78ebd7877a88f324ea64cab0c7;hpb=59bcc35f0e91d29de70a577a3fdd498847763c0b;p=userspace-rcu.git

diff --git a/urcu-qsbr.c b/urcu-qsbr.c
index 2cd6c12..d025725 100644
--- a/urcu-qsbr.c
+++ b/urcu-qsbr.c
@@ -121,7 +121,7 @@ static void wait_for_readers(struct cds_list_head *input_readers,
 			struct cds_list_head *cur_snap_readers,
 			struct cds_list_head *qsreaders)
 {
-	int wait_loops = 0;
+	unsigned int wait_loops = 0;
 	struct rcu_reader *index, *tmp;
 
 	/*
@@ -130,7 +130,6 @@ static void wait_for_readers(struct cds_list_head *input_readers,
 	 * current rcu_gp.ctr value.
 	 */
 	for (;;) {
-		wait_loops++;
 		if (wait_loops >= RCU_QS_ACTIVE_ATTEMPTS) {
 			uatomic_set(&rcu_gp.futex, -1);
 			/*
@@ -143,6 +142,8 @@ static void wait_for_readers(struct cds_list_head *input_readers,
 			}
 			/* Write futex before read reader_gp */
 			cmm_smp_mb();
+		} else {
+			wait_loops++;
 		}
 		cds_list_for_each_entry_safe(index, tmp, input_readers, node) {
 			switch (rcu_reader_state(&index->ctr)) {