zephyr/lib/os/thread_entry.c

47 lines
1.1 KiB
C

/*
* Copyright (c) 2018 Intel Corporation
*
* SPDX-License-Identifier: Apache-2.0
*/
/**
* @file
* @brief Thread entry
*
* This file provides the common thread entry function
*/
#include <zephyr/kernel.h>
#ifdef CONFIG_THREAD_LOCAL_STORAGE
__thread k_tid_t z_tls_current;
#endif
/*
* Common thread entry point function (used by all threads)
*
* This routine invokes the actual thread entry point function and passes
* it three arguments. It also handles graceful termination of the thread
* if the entry point function ever returns.
*
* This routine does not return, and is marked as such so the compiler won't
* generate preamble code that is only used by functions that actually return.
*/
FUNC_NORETURN void z_thread_entry(k_thread_entry_t entry,
void *p1, void *p2, void *p3)
{
#ifdef CONFIG_THREAD_LOCAL_STORAGE
z_tls_current = z_current_get();
#endif
entry(p1, p2, p3);
k_thread_abort(k_current_get());
/*
* Compiler can't tell that k_thread_abort() won't return and issues a
* warning unless we tell it that control never gets this far.
*/
CODE_UNREACHABLE; /* LCOV_EXCL_LINE */
}