core/thread_cputime_clock: add [[maybe_unused]] attribute

to silence warning like warning: unused variable ‘ret’ [-Wunused-variable] Signed-off-by: Kefu Chai <[email protected]>
ceph · May 7, 2019 · 0f1c501 · 0f1c501
1 parent 4bac5a8
commit 0f1c501
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/include/seastar/core/thread_cputime_clock.hh b/include/seastar/core/thread_cputime_clock.hh
@@ -37,7 +37,7 @@ public:
         using namespace std::chrono_literals;
 
         struct timespec tp;
-        auto ret = clock_gettime(CLOCK_THREAD_CPUTIME_ID, &tp);
+        [[maybe_unused]] auto ret = clock_gettime(CLOCK_THREAD_CPUTIME_ID, &tp);
         assert(ret == 0);
         return time_point(tp.tv_nsec * 1ns + tp.tv_sec * 1s);
     }