X-Git-Url: https://git.liburcu.org/?a=blobdiff_plain;f=urcu-qsbr.c;h=d02572513139eb5986529328c0066deb319cafc9;hb=e998132a6aeae4c12f2af1369c7831449be9b00c;hp=d6adc5bfaafa9d4d851842bad7d398967b081eec;hpb=4de0cd31491bcb93a19c14fc1eb2a2a23ce12855;p=urcu.git diff --git a/urcu-qsbr.c b/urcu-qsbr.c index d6adc5b..d025725 100644 --- a/urcu-qsbr.c +++ b/urcu-qsbr.c @@ -64,11 +64,11 @@ struct rcu_gp rcu_gp = { .ctr = RCU_GP_ONLINE }; * Written to only by each individual reader. Read by both the reader and the * writers. */ -DEFINE_URCU_TLS(struct rcu_reader, rcu_reader); +__DEFINE_URCU_TLS_GLOBAL(struct rcu_reader, rcu_reader); #ifdef DEBUG_YIELD unsigned int rcu_yield_active; -DEFINE_URCU_TLS(unsigned int, rcu_rand_yield); +__DEFINE_URCU_TLS_GLOBAL(unsigned int, rcu_rand_yield); #endif static CDS_LIST_HEAD(registry); @@ -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)) {