zephyr/kernel/thread_abort.c

61 lines
1.3 KiB
C

/*
* 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 <nano_internal.h>
#include <string.h>
#include <toolchain.h>
#include <linker/sections.h>
#include <wait_q.h>
#include <ksched.h>
#include <misc/__assert.h>
#include <syscall_handler.h>
extern void _k_thread_single_abort(struct k_thread *thread);
#if !defined(CONFIG_ARCH_HAS_THREAD_ABORT)
void _impl_k_thread_abort(k_tid_t thread)
{
unsigned int key;
key = irq_lock();
__ASSERT(!(thread->base.user_options & K_ESSENTIAL),
"essential thread aborted");
_k_thread_single_abort(thread);
_thread_monitor_exit(thread);
if (_current == thread) {
_Swap(key);
CODE_UNREACHABLE;
}
/* The abort handler might have altered the ready queue. */
_reschedule_threads(key);
}
#endif
#ifdef CONFIG_USERSPACE
_SYSCALL_HANDLER(k_thread_abort, thread_p)
{
struct k_thread *thread = (struct k_thread *)thread_p;
_SYSCALL_OBJ(thread, K_OBJ_THREAD);
_SYSCALL_VERIFY_MSG(!(thread->base.user_options & K_ESSENTIAL),
"aborting essential thread %p", thread);
_impl_k_thread_abort((struct k_thread *)thread);
return 0;
}
#endif