This patch adds a wrapper macro __rte_warn_unused_result for the warn_unused_result function attribute.
Marking a function __rte_warn_unused_result will make the compiler emit a warning in case the caller does not use the function's return value. Signed-off-by: Mattias Rönnblom <mattias.ronnb...@ericsson.com> --- lib/eal/include/rte_common.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/lib/eal/include/rte_common.h b/lib/eal/include/rte_common.h index 4a399cc7c8..544e7de2e7 100644 --- a/lib/eal/include/rte_common.h +++ b/lib/eal/include/rte_common.h @@ -222,6 +222,11 @@ static void __attribute__((destructor(RTE_PRIO(prio)), used)) func(void) */ #define __rte_noreturn __attribute__((noreturn)) +/** + * Issue warning in case the function's return value is ignore + */ +#define __rte_warn_unused_result __attribute__((warn_unused_result)) + /** * Force a function to be inlined */ -- 2.25.1
