66 lines
1.4 KiB
C
66 lines
1.4 KiB
C
/*
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* Copyright (c) 2016 Wind River Systems, Inc.
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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/**
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* @file
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* @brief Primitive for aborting a thread when an arch-specific one is not
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* needed..
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*/
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#include <kernel.h>
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#include <kernel_structs.h>
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#include <kernel_internal.h>
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#include <kswap.h>
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#include <string.h>
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#include <toolchain.h>
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#include <linker/sections.h>
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#include <wait_q.h>
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#include <ksched.h>
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#include <misc/__assert.h>
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#include <syscall_handler.h>
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extern void _k_thread_single_abort(struct k_thread *thread);
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#if !defined(CONFIG_ARCH_HAS_THREAD_ABORT)
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void _impl_k_thread_abort(k_tid_t thread)
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{
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unsigned int key;
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key = irq_lock();
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__ASSERT(!(thread->base.user_options & K_ESSENTIAL),
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"essential thread aborted");
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_k_thread_single_abort(thread);
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_thread_monitor_exit(thread);
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if (_is_in_isr()) {
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irq_unlock(key);
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} else {
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if (_current == thread) {
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_Swap(key);
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CODE_UNREACHABLE;
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}
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/* The abort handler might have altered the ready queue. */
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_reschedule(key);
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}
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}
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#endif
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#ifdef CONFIG_USERSPACE
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Z_SYSCALL_HANDLER(k_thread_abort, thread_p)
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{
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struct k_thread *thread = (struct k_thread *)thread_p;
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Z_OOPS(Z_SYSCALL_OBJ(thread, K_OBJ_THREAD));
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Z_OOPS(Z_SYSCALL_VERIFY_MSG(!(thread->base.user_options & K_ESSENTIAL),
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"aborting essential thread %p", thread));
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_impl_k_thread_abort((struct k_thread *)thread);
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return 0;
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}
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#endif
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