Read-only iteration should use const

* util.cxx (spawned_pids_t::killall): Use const_iterator.

diff --git a/util.cxx b/util.cxx
index 96bc9f0de16661647e51f830ec60d7079948b600..76b0f2680f0c957cdbd4152eae2e07576e87cfcd 100644 (file)
--- a/util.cxx
+++ b/util.cxx
@@ -434,7 +434,8 @@ class spawned_pids_t {
       {
         int ret = 0;
         stap_sigmasker masked;
-        for (set<pid_t>::iterator it = pids.begin(); it != pids.end(); ++it)
+        for (set<pid_t>::const_iterator it = pids.begin();
+             it != pids.end(); ++it)
           ret = kill(*it, sig) ?: ret;
         return ret;
       }