linux/lib/is_single_threaded.c

// SPDX-License-Identifier: GPL-2.0-or-later
/* Function to determine if a thread group is single threaded or not
 *
 * Copyright (C) 2008 Red Hat, Inc. All Rights Reserved.
 * Written by David Howells ([email protected])
 * - Derived from security/selinux/hooks.c
 */
#include <linux/sched/signal.h>
#include <linux/sched/task.h>
#include <linux/sched/mm.h>

/*
 * Returns true if the task does not share ->mm with another thread/process.
 */
bool current_is_single_threaded(void)
{ … }