X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=urcu%2Fstatic%2Fwfstack.h;fp=urcu%2Fstatic%2Fwfstack.h;h=261ff2c2a46ab278ee8f1324db1e406e02b4a1ca;hb=169e1020838cc5b9f3df503d160ce1bf0c939b2f;hp=db0d5b8b1abda178f7cf0e14a0530d5bae43f8aa;hpb=5bcf8326b6e13ca93429925bc38fb81c73155c54;p=userspace-rcu.git diff --git a/urcu/static/wfstack.h b/urcu/static/wfstack.h index db0d5b8..261ff2c 100644 --- a/urcu/static/wfstack.h +++ b/urcu/static/wfstack.h @@ -76,6 +76,14 @@ void _cds_wfs_node_init(struct cds_wfs_node *node) node->next = NULL; } +/* + * __cds_wfs_init: initialize wait-free stack. + */ +static inline void ___cds_wfs_init(struct __cds_wfs_stack *s) +{ + s->head = CDS_WFS_END; +} + /* * cds_wfs_init: initialize wait-free stack. */ @@ -99,8 +107,10 @@ static inline bool ___cds_wfs_end(void *node) * * No memory barrier is issued. No mutual exclusion is required. */ -static inline bool _cds_wfs_empty(struct cds_wfs_stack *s) +static inline bool _cds_wfs_empty(cds_wfs_stack_ptr_t u_stack) { + struct __cds_wfs_stack *s = u_stack._s; + return ___cds_wfs_end(CMM_LOAD_SHARED(s->head)); } @@ -114,8 +124,9 @@ static inline bool _cds_wfs_empty(struct cds_wfs_stack *s) * Returns non-zero otherwise. */ static inline -int _cds_wfs_push(struct cds_wfs_stack *s, struct cds_wfs_node *node) +int _cds_wfs_push(cds_wfs_stack_ptr_t u_stack, struct cds_wfs_node *node) { + struct __cds_wfs_stack *s = u_stack._s; struct cds_wfs_head *old_head, *new_head; assert(node->next == NULL); @@ -161,10 +172,11 @@ ___cds_wfs_node_sync_next(struct cds_wfs_node *node, int blocking) static inline struct cds_wfs_node * -___cds_wfs_pop(struct cds_wfs_stack *s, int *state, int blocking) +___cds_wfs_pop(cds_wfs_stack_ptr_t u_stack, int *state, int blocking) { struct cds_wfs_head *head, *new_head; struct cds_wfs_node *next; + struct __cds_wfs_stack *s = u_stack._s; if (state) *state = 0; @@ -210,16 +222,16 @@ ___cds_wfs_pop(struct cds_wfs_stack *s, int *state, int blocking) */ static inline struct cds_wfs_node * -___cds_wfs_pop_with_state_blocking(struct cds_wfs_stack *s, int *state) +___cds_wfs_pop_with_state_blocking(cds_wfs_stack_ptr_t u_stack, int *state) { - return ___cds_wfs_pop(s, state, 1); + return ___cds_wfs_pop(u_stack, state, 1); } static inline struct cds_wfs_node * -___cds_wfs_pop_blocking(struct cds_wfs_stack *s) +___cds_wfs_pop_blocking(cds_wfs_stack_ptr_t u_stack) { - return ___cds_wfs_pop_with_state_blocking(s, NULL); + return ___cds_wfs_pop_with_state_blocking(u_stack, NULL); } /* @@ -232,9 +244,9 @@ ___cds_wfs_pop_blocking(struct cds_wfs_stack *s) */ static inline struct cds_wfs_node * -___cds_wfs_pop_with_state_nonblocking(struct cds_wfs_stack *s, int *state) +___cds_wfs_pop_with_state_nonblocking(cds_wfs_stack_ptr_t u_stack, int *state) { - return ___cds_wfs_pop(s, state, 0); + return ___cds_wfs_pop(u_stack, state, 0); } /* @@ -245,9 +257,9 @@ ___cds_wfs_pop_with_state_nonblocking(struct cds_wfs_stack *s, int *state) */ static inline struct cds_wfs_node * -___cds_wfs_pop_nonblocking(struct cds_wfs_stack *s) +___cds_wfs_pop_nonblocking(cds_wfs_stack_ptr_t u_stack) { - return ___cds_wfs_pop_with_state_nonblocking(s, NULL); + return ___cds_wfs_pop_with_state_nonblocking(u_stack, NULL); } /* @@ -269,8 +281,9 @@ ___cds_wfs_pop_nonblocking(struct cds_wfs_stack *s) */ static inline struct cds_wfs_head * -___cds_wfs_pop_all(struct cds_wfs_stack *s) +___cds_wfs_pop_all(cds_wfs_stack_ptr_t u_stack) { + struct __cds_wfs_stack *s = u_stack._s; struct cds_wfs_head *head; /*