X-Git-Url: http://git.liburcu.org/?p=urcu.git;a=blobdiff_plain;f=urcu-call-rcu.h;fp=urcu-call-rcu.h;h=2c133889fef9b413fefa5fc0e26b003a88adbca0;hp=0000000000000000000000000000000000000000;hb=b57aee663af988b7f686c076ce6aef2a0d2487c8;hpb=b96b22e11221bf068a4f5023293ba03b89a324a8 diff --git a/urcu-call-rcu.h b/urcu-call-rcu.h new file mode 100644 index 0000000..2c13388 --- /dev/null +++ b/urcu-call-rcu.h @@ -0,0 +1,80 @@ +#ifndef _URCU_CALL_RCU_H +#define _URCU_CALL_RCU_H + +/* + * urcu-call-rcu.h + * + * Userspace RCU header - deferred execution + * + * Copyright (c) 2009 Mathieu Desnoyers + * Copyright (c) 2009 Paul E. McKenney, IBM Corporation. + * + * LGPL-compatible code should include this header with : + * + * #define _LGPL_SOURCE + * #include + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include + +#include + +#ifdef __cplusplus +extern "C" { +#endif + +/* Note that struct call_rcu_data is opaque to callers. */ + +struct call_rcu_data; + +/* Flag values. */ + +#define URCU_CALL_RCU_RT 0x1 +#define URCU_CALL_RCU_RUNNING 0x2 + +/* + * The rcu_head data structure is placed in the structure to be freed + * via call_rcu(). + */ + +struct rcu_head { + struct cds_wfq_node next; + void (*func)(struct rcu_head *head); +}; + +/* + * Exported functions + */ +void call_rcu_data_init(struct call_rcu_data **crdpp, unsigned long flags); +struct call_rcu_data *get_cpu_call_rcu_data(int cpu); +pthread_t get_call_rcu_thread(struct call_rcu_data *crdp); +struct call_rcu_data *create_call_rcu_data(unsigned long flags); +int set_cpu_call_rcu_data(int cpu, struct call_rcu_data *crdp); +struct call_rcu_data *get_default_call_rcu_data(void); +struct call_rcu_data *get_call_rcu_data(void); +struct call_rcu_data *get_thread_call_rcu_data(void); +void set_thread_call_rcu_data(struct call_rcu_data *crdp); +int create_all_cpu_call_rcu_data(unsigned long flags); +void call_rcu(struct rcu_head *head, + void (*func)(struct rcu_head *head)); + +#ifdef __cplusplus +} +#endif + +#endif /* _URCU_CALL_RCU_H */