blob: 05f85051a1b744d8f70a5cd09b5b90a1d803dcb4 [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>
#include <logging/log.h>
LOG_MODULE_DECLARE(os, CONFIG_KERNEL_LOG_LEVEL);
FUNC_NORETURN void z_self_abort(void)
{
/* Self-aborting threads don't clean themselves up, we
* have the idle thread for the current CPU do it.
*/
int key;
struct _cpu *cpu;
/* Lock local IRQs to prevent us from migrating to another CPU
* while we set this up
*/
key = arch_irq_lock();
cpu = _current_cpu;
__ASSERT(cpu->pending_abort == NULL, "already have a thread to abort");
cpu->pending_abort = _current;
LOG_DBG("%p self-aborting, handle on idle thread %p",
_current, cpu->idle_thread);
k_thread_suspend(_current);
z_swap_irqlock(key);
__ASSERT(false, "should never get here");
CODE_UNREACHABLE; /* LCOV_EXCL_LINE */
}
#if !defined(CONFIG_ARCH_HAS_THREAD_ABORT)
void z_impl_k_thread_abort(k_tid_t thread)
{
if (thread == _current && !arch_is_in_isr()) {
/* Thread is self-exiting, idle thread on this CPU will do
* the cleanup
*/
z_self_abort();
}
z_thread_single_abort(thread);
if (!arch_is_in_isr()) {
/* Don't need to do this if we're in an ISR */
z_reschedule_unlocked();
}
}
#endif