1 files changed, 35 insertions, 0 deletions
diff --git a/src/kernel/tests/lib/tst_coredump.c b/src/kernel/tests/lib/tst_coredump.c
new file mode 100644
index 0000000..83aa2c3
--- /dev/null
+++ b/src/kernel/tests/lib/tst_coredump.c
@@ -0,0 +1,35 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (c) 2019 Red Hat, Inc.
+ */
+
+#define TST_NO_DEFAULT_MAIN
+
+#include <sys/time.h>
+#include <sys/resource.h>
+
+#include "tst_test.h"
+#include "tst_coredump.h"
+
+void tst_no_corefile(int verbose)
+{
+	struct rlimit new_r, old_r;
+
+	SAFE_GETRLIMIT(RLIMIT_CORE, &old_r);
+	if (old_r.rlim_max >= 1 || geteuid() == 0) {
+		/*
+		 * 1 is a special value, that disables core-to-pipe.
+		 * At the same time it is small enough value for
+		 * core-to-file, so it skips creating cores as well.
+		 */
+		new_r.rlim_cur = 1;
+		new_r.rlim_max = 1;
+		SAFE_SETRLIMIT(RLIMIT_CORE, &new_r);
+
+		if (verbose) {
+			tst_res(TINFO,
+				"Avoid dumping corefile for process(pid=%d)",
+				getpid());
+		}
+	}
+}