X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=urcu%2Frculfhash.h;h=727f5c9723131c144a20e0e7ee8ad2b2dbdd231c;hb=56e676d2f8caf811934a1490ee0aeaf545e9d768;hp=2938e5ec6235883acc9efb9b029e135035f7a10e;hpb=7b783f818175cd92d98f78e761331f306ff406a5;p=userspace-rcu.git diff --git a/urcu/rculfhash.h b/urcu/rculfhash.h index 2938e5e..727f5c9 100644 --- a/urcu/rculfhash.h +++ b/urcu/rculfhash.h @@ -175,6 +175,11 @@ struct cds_lfht *cds_lfht_new(unsigned long init_size, * * Return 0 on success, negative error value on error. * Threads calling this API need to be registered RCU read-side threads. + * cds_lfht_destroy should *not* be called from a RCU read-side critical + * section. + * In userspace RCU 0.7.x, for QSBR RCU flavor, cds_lfht_destroy() has a + * side-effect: it puts the caller thread in "online" state. This will + * be fixed in userspace RCU 0.8.x. */ int cds_lfht_destroy(struct cds_lfht *ht, pthread_attr_t **attr); @@ -424,6 +429,11 @@ int cds_lfht_is_node_deleted(struct cds_lfht_node *node); * * Threads calling this API need to be registered RCU read-side threads. * This function does not (necessarily) issue memory barriers. + * cds_lfht_resize should *not* be called from a RCU read-side critical + * section. + * In userspace RCU 0.7.x, for QSBR RCU flavor, cds_lfht_resize() has a + * side-effect: it puts the caller thread in "online" state. This will + * be fixed in userspace RCU 0.8.x. */ void cds_lfht_resize(struct cds_lfht *ht, unsigned long new_size); @@ -450,21 +460,21 @@ void cds_lfht_resize(struct cds_lfht *ht, unsigned long new_size); #define cds_lfht_for_each_entry(ht, iter, pos, member) \ for (cds_lfht_first(ht, iter), \ pos = caa_container_of(cds_lfht_iter_get_node(iter), \ - typeof(*(pos)), member); \ + __typeof__(*(pos)), member); \ &(pos)->member != NULL; \ cds_lfht_next(ht, iter), \ pos = caa_container_of(cds_lfht_iter_get_node(iter), \ - typeof(*(pos)), member)) + __typeof__(*(pos)), member)) #define cds_lfht_for_each_entry_duplicate(ht, hash, match, key, \ iter, pos, member) \ for (cds_lfht_lookup(ht, hash, match, key, iter), \ pos = caa_container_of(cds_lfht_iter_get_node(iter), \ - typeof(*(pos)), member); \ + __typeof__(*(pos)), member); \ &(pos)->member != NULL; \ cds_lfht_next_duplicate(ht, match, key, iter), \ pos = caa_container_of(cds_lfht_iter_get_node(iter), \ - typeof(*(pos)), member)) + __typeof__(*(pos)), member)) #ifdef __cplusplus }