blob: 152962ebf385a7cf9eaef128335ffb1de3621ef6 [file] [log] [blame]
/*
* Copyright (c) 2016 Wind River Systems, Inc.
*
* SPDX-License-Identifier: Apache-2.0
*/
/**
* @file
* @brief Primitive for aborting a thread when an arch-specific one is not
* needed..
*/
#include <kernel.h>
#include <kernel_structs.h>
#include <kernel_internal.h>
#include <kswap.h>
#include <string.h>
#include <toolchain.h>
#include <linker/sections.h>
#include <wait_q.h>
#include <ksched.h>
#include <sys/__assert.h>
#include <syscall_handler.h>
extern void z_thread_single_abort(struct k_thread *thread);
#if !defined(CONFIG_ARCH_HAS_THREAD_ABORT)
void z_impl_k_thread_abort(k_tid_t thread)
{
__ASSERT((thread->base.user_options & K_ESSENTIAL) == 0U,
"essential thread aborted");
z_thread_single_abort(thread);
z_thread_monitor_exit(thread);
if (thread == _current && !arch_is_in_isr()) {
/* Direct use of swap: reschedule doesn't have a test
* for "is _current dead" and we don't want one for
* performance reasons.
*/
struct k_spinlock lock = {};
z_swap(&lock, k_spin_lock(&lock));
} else {
/* Really, there's no good reason for this to be a
* scheduling point if we aren't aborting _current (by
* definition, no higher priority thread is runnable,
* because we're running!). But it always has been
* and is thus part of our API, and we have tests that
* rely on k_thread_abort() scheduling out of
* cooperative threads.
*/
z_reschedule_unlocked();
}
}
#endif