fix: kvm instrumentation for CentOS >= 4.18.0-147

[lttng-modules.git] / wrapper / time.h

diff --git a/wrapper/time.h b/wrapper/time.h
index f33791f0a1ef25c73e9314e97b63199b6461b37a..362f314ac75df0c10b6106f7f907b2cc3d61e6a6 100644 (file)
--- a/wrapper/time.h
+++ b/wrapper/time.h
@@ -1,43 +1,22 @@
-#ifndef _LTTNG_WRAPPER_TIME_H
-#define _LTTNG_WRAPPER_TIME_H
-
-/*
- * wrapper/time.h
+/* SPDX-License-Identifier: (GPL-2.0 or LGPL-2.1)
  *
- * Copyright (C) 2015 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; only
- * version 2.1 of the License.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
+ * wrapper/time.h
  *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ * Copyright (C) 2020 Michael Jeanson <mjeanson@efficios.com>
+ * Copyright (C) 2020 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
  */
 
-#include <linux/version.h>
-#include <linux/time.h>
-
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0))
-
-static inline bool lttng_close_on_exec(int fd, const struct fdtable *fdt)
-{
-       return close_on_exec(fd, fdt);
-}
-
-#else
+#ifndef _LTTNG_WRAPPER_TIME_H
+#define _LTTNG_WRAPPER_TIME_H
 
-static inline bool lttng_close_on_exec(int fd, const struct fdtable *fdt)
-{
-       return FD_ISSET(fd, fdt->close_on_exec);
-}
+#include <linux/version.h>
 
+/*
+ * Use 64bit timespec on kernels that have it, this makes 32bit arch
+ * y2038 compliant.
+ */
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,17,0))
+# define LTTNG_KERNEL_HAS_TIMESPEC64
 #endif
 
 #endif /* _LTTNG_WRAPPER_TIME_H */