X-Git-Url: https://git.liburcu.org/?p=urcu.git;a=blobdiff_plain;f=include%2Furcu%2Flfstack.h;h=0f4ee99d8c92a88d88d51fe47d36eb47275056fb;hp=43ef2a5ccad5b0b90ef38c818d691ccfee0e3476;hb=087bce43020d2b45dab2dd8ecd6b0d6949c626f3;hpb=2875743718fb23293190b5edd0f2b530977270b1 diff --git a/include/urcu/lfstack.h b/include/urcu/lfstack.h index 43ef2a5..0f4ee99 100644 --- a/include/urcu/lfstack.h +++ b/include/urcu/lfstack.h @@ -29,7 +29,6 @@ extern "C" { #include #include -#include /* * Lock-free stack. @@ -81,16 +80,27 @@ struct cds_lfs_stack { }; /* - * The transparent union allows calling functions that work on both - * struct cds_lfs_stack and struct __cds_lfs_stack on any of those two - * types. + * In C, the transparent union allows calling functions that work on + * both struct cds_lfs_stack and struct __cds_lfs_stack on any of those + * two types. * - * Avoid complaints from clang++ not knowing this attribute. + * In C++, implement static inline wrappers using function overloading + * to obtain an API similar to C. + * + * Avoid complaints from clang++ not knowing the transparent union + * attribute. */ +#if defined(__clang__) +#pragma clang diagnostic push +#pragma clang diagnostic ignored "-Wignored-attributes" +#endif typedef union { struct __cds_lfs_stack *_s; struct cds_lfs_stack *s; -} caa_c_transparent_union cds_lfs_stack_ptr_t; +} __attribute__((__transparent_union__)) cds_lfs_stack_ptr_t; +#if defined(__clang__) +#pragma clang diagnostic pop +#endif #ifdef _LGPL_SOURCE @@ -258,6 +268,49 @@ extern struct cds_lfs_head *__cds_lfs_pop_all(cds_lfs_stack_ptr_t s); #ifdef __cplusplus } -#endif + +/* + * In C++, implement static inline wrappers using function overloading + * to obtain an API similar to C. + */ + +static inline cds_lfs_stack_ptr_t cds_lfs_stack_cast(struct __cds_lfs_stack *s) +{ + cds_lfs_stack_ptr_t ret = { + ._s = s, + }; + return ret; +} + +static inline cds_lfs_stack_ptr_t cds_lfs_stack_cast(struct cds_lfs_stack *s) +{ + cds_lfs_stack_ptr_t ret = { + .s = s, + }; + return ret; +} + +template static inline bool cds_lfs_empty(T s) +{ + return cds_lfs_empty(cds_lfs_stack_cast(s)); +} + +template static inline bool cds_lfs_push(T s, + struct cds_lfs_node *node) +{ + return cds_lfs_push(cds_lfs_stack_cast(s), node); +} + +template static inline struct cds_lfs_node *__cds_lfs_pop(T s) +{ + return __cds_lfs_pop(cds_lfs_stack_cast(s)); +} + +template static inline struct cds_lfs_head *__cds_lfs_pop_all(T s) +{ + return __cds_lfs_pop_all(cds_lfs_stack_cast(s)); +} + +#endif /* __cplusplus */ #endif /* _URCU_LFSTACK_H */