include/wrapper/sched.h

   1 /* SPDX-License-Identifier: (GPL-2.0-only or LGPL-2.1-only)
   2  *
   3  * src/wrapper/kprobes.h
   4  *
   5  * Copyright (C) 2021 Michael Jeanson <mjeanson@efficios.com>
   6  */
   7
   8 #ifndef _LTTNG_WRAPPER_SCHED_H
   9 #define _LTTNG_WRAPPER_SCHED_H
  10
  11 #include <linux/sched.h>
  12 #include <lttng/kernel-version.h>
  13
  14 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,14,0) || \
  15         LTTNG_RHEL_KERNEL_RANGE(4,18,0,372,0,0, 4,19,0,0,0,0))
  16
  17 #define lttng_get_task_state(task)      READ_ONCE((task)->__state)
  18 #define lttng_task_is_running(task)     task_is_running(task)
  19
  20 #else /* LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,14,0) */
  21
  22 #define lttng_get_task_state(task)      ((task)->state)
  23 #define lttng_task_is_running(task)     (lttng_get_task_state(task) == TASK_RUNNING)
  24
  25 #endif /* LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,14,0) */
  26
  27 #endif /* _LTTNG_WRAPPER_SCHED_H */