diff options
Diffstat (limited to 'include')
-rw-r--r-- | include/afb/afb-req-itf.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/afb/afb-req-itf.h b/include/afb/afb-req-itf.h index a8980ffc..a3ff9fe0 100644 --- a/include/afb/afb-req-itf.h +++ b/include/afb/afb-req-itf.h @@ -97,6 +97,17 @@ static inline void afb_req_context_set(struct afb_req req, void *value, void (*f return req.itf->context_set(req.closure, value, free_value); } +static inline void *afb_req_context(struct afb_req req, void *(*create_value)(), void (*free_value)(void*)) +{ + void *result = req.itf->context_get(req.closure); + if (result == NULL) { + result = create_value(); + if (result != NULL) + req.itf->context_set(req.closure, result, free_value); + } + return result; +} + static inline void afb_req_context_clear(struct afb_req req) { afb_req_context_set(req, NULL, NULL); |