void call of page_size guarantees that sysconf is not called from signal handler

2018-07-26 15:39:12 +02:00
parent 14a6aee050
commit 1595b257df
1 changed files with 4 additions and 0 deletions
@@ -113,6 +113,10 @@ void sigbus_install(void) {
                .sa_flags = SA_SIGINFO,
        };

+        /* make sure that sysconf() is not called from a signal handler because
+        * it is not guaranteed to be async-signal-safe since POSIX.1-2008 */
+        (void) page_size();
+
        n_installed++;

        if (n_installed == 1)