Fixed undefined behavior when left shifting signed integer.

dren-dk · Aug 4, 2016 · 31389e4 · 31389e4
1 parent e62a16e
commit 31389e4
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/os/unix/ngx_process_cycle.c b/src/os/unix/ngx_process_cycle.c
@@ -884,7 +884,7 @@ ngx_worker_process_init(ngx_cycle_t *cycle, ngx_int_t worker)
                       "sigprocmask() failed");
     }
 
-    srandom((ngx_pid << 16) ^ ngx_time());
+    srandom(((unsigned) ngx_pid << 16) ^ ngx_time());
 
     /*
      * disable deleting previous events for the listening sockets because