X-Git-Url: http://git.liburcu.org/?p=urcu.git;a=blobdiff_plain;f=urcu-call-rcu.h;h=f7eac8de964d56d717cfc5b48432f57c16fc32f9;hp=d00bb4ae6d8c111cdfa68987bc8b59e5622174d8;hb=dee093381aa4f642a707fb4b28dbb9df0b8ad155;hpb=03c5a8f55284f3627b93bc66284347804c77b892 diff --git a/urcu-call-rcu.h b/urcu-call-rcu.h index d00bb4a..f7eac8d 100644 --- a/urcu-call-rcu.h +++ b/urcu-call-rcu.h @@ -61,34 +61,33 @@ struct rcu_head { /* * Exported functions + * + * Important: see rcu-api.txt in userspace-rcu documentation for + * call_rcu family of functions usage detail, including the surrounding + * RCU usage required when using these primitives. */ -/* - * get_cpu_call_rcu_data should be called with RCU read-side lock held. - * Callers should be registered RCU read-side threads. - */ -struct call_rcu_data *get_cpu_call_rcu_data(int cpu); -pthread_t get_call_rcu_thread(struct call_rcu_data *crdp); +void call_rcu(struct rcu_head *head, + void (*func)(struct rcu_head *head)); + struct call_rcu_data *create_call_rcu_data(unsigned long flags, int cpu_affinity); -int set_cpu_call_rcu_data(int cpu, struct call_rcu_data *crdp); +void call_rcu_data_free(struct call_rcu_data *crdp); + struct call_rcu_data *get_default_call_rcu_data(void); -/* - * get_call_rcu_data should be called from registered RCU read-side - * threads. For the QSBR flavor, the caller should be online. - */ -struct call_rcu_data *get_call_rcu_data(void); +struct call_rcu_data *get_cpu_call_rcu_data(int cpu); struct call_rcu_data *get_thread_call_rcu_data(void); +struct call_rcu_data *get_call_rcu_data(void); +pthread_t get_call_rcu_thread(struct call_rcu_data *crdp); + void set_thread_call_rcu_data(struct call_rcu_data *crdp); +int set_cpu_call_rcu_data(int cpu, struct call_rcu_data *crdp); + int create_all_cpu_call_rcu_data(unsigned long flags); -/* - * call_rcu should be called from registered RCU read-side threads. - * For the QSBR flavor, the caller should be online. - */ -void call_rcu(struct rcu_head *head, - void (*func)(struct rcu_head *head)); -void call_rcu_data_free(struct call_rcu_data *crdp); void free_all_cpu_call_rcu_data(void); + +void call_rcu_before_fork(void); +void call_rcu_after_fork_parent(void); void call_rcu_after_fork_child(void); #ifdef __cplusplus