svn commit: r345924 - in stable/11/sys/compat/linuxkpi/common: include/linux src

[Hans Petter Selasky]

Author: hselasky
Date: Fri Apr  5 11:19:23 2019
New Revision: 345924
URL: https://svnweb.freebsd.org/changeset/base/345924

Log:
  MFC r345098:
  Implement current_exiting() in the LinuxKPI.
  
  Submitted by:		Johannes Lundberg <johalun0 at gmail.com>
  Sponsored by:		Limelight Networks
  Sponsored by:		Mellanox Technologies

Modified:
  stable/11/sys/compat/linuxkpi/common/include/linux/sched.h
  stable/11/sys/compat/linuxkpi/common/src/linux_current.c
Directory Properties:
  stable/11/   (props changed)

Modified: stable/11/sys/compat/linuxkpi/common/include/linux/sched.h
==============================================================================
--- stable/11/sys/compat/linuxkpi/common/include/linux/sched.h	Fri Apr  5 11:19:07 2019	(r345923)
+++ stable/11/sys/compat/linuxkpi/common/include/linux/sched.h	Fri Apr  5 11:19:23 2019	(r345924)
@@ -143,6 +143,11 @@ linux_schedule_save_interrupt_value(struct task_struct
 	task->bsd_interrupt_value = value;
 }
 
+bool linux_task_exiting(struct task_struct *task);
+
+#define	current_exiting() \
+	linux_task_exiting(current)
+
 static inline int
 linux_schedule_get_interrupt_value(struct task_struct *task)
 {

Modified: stable/11/sys/compat/linuxkpi/common/src/linux_current.c
==============================================================================
--- stable/11/sys/compat/linuxkpi/common/src/linux_current.c	Fri Apr  5 11:19:07 2019	(r345923)
+++ stable/11/sys/compat/linuxkpi/common/src/linux_current.c	Fri Apr  5 11:19:23 2019	(r345924)
@@ -215,6 +215,22 @@ linux_get_pid_task(pid_t pid)
 	return (NULL);
 }
 
+bool
+linux_task_exiting(struct task_struct *task)
+{
+	struct proc *p;
+	bool ret;
+
+	ret = false;
+	p = pfind(task->pid);
+	if (p != NULL) {
+		if ((p->p_flag & P_WEXIT) != 0)
+			ret = true;
+		PROC_UNLOCK(p);
+	}
+	return (ret);
+}
+
 static void
 linux_current_init(void *arg __unused)
 {