fix: sched: Change task_struct::state (v5.14)

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

diff --git a/wrapper/sched.h b/wrapper/sched.h
new file mode 100644 (file)
index 0000000..54e29f7
--- /dev/null
+++ b/wrapper/sched.h
@@ -0,0 +1,26 @@
+/* SPDX-License-Identifier: (GPL-2.0-only or LGPL-2.1-only)
+ *
+ * src/wrapper/kprobes.h
+ *
+ * Copyright (C) 2021 Michael Jeanson <mjeanson@efficios.com>
+ */
+
+#ifndef _LTTNG_WRAPPER_SCHED_H
+#define _LTTNG_WRAPPER_SCHED_H
+
+#include <linux/sched.h>
+#include <lttng/kernel-version.h>
+
+#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,14,0))
+
+#define lttng_get_task_state(task)     READ_ONCE((task)->__state)
+#define lttng_task_is_running(task)    task_is_running(task)
+
+#else /* LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,14,0) */
+
+#define lttng_get_task_state(task)     ((task)->state)
+#define lttng_task_is_running(task)    (lttng_get_task_state(task) == TASK_RUNNING)
+
+#endif /* LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,14,0) */
+
+#endif /* _LTTNG_WRAPPER_SCHED_H */