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kernel: Refactor common _new_thread init code

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We do a bit of the same stuff on all the arch's to setup a new thread.
So lets put that code in a common place so we unify it for everyone and
reduce some duplicated code.

Change-Id: Ic04121bfd6846aece16aa7ffd4382bdcdb6136e3
Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
This commit is contained in:
Kumar Gala 2017-04-21 09:07:34 -05:00 • committed by Andrew Boie
commit b8823c4efd
7 changed files with 44 additions and 95 deletions
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29
kernel/include/kernel_structs.h
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@ -12,6 +12,7 @@
#if !defined(_ASMLANGUAGE)
#include <atomic.h>
#include <misc/dlist.h>
#include <string.h>
#endif
/*
@ -239,6 +240,34 @@ extern void _init_thread_base(struct _thread_base *thread_base,
int priority, u32_t initial_state,
unsigned int options);
static ALWAYS_INLINE struct k_thread *_new_thread_init(char *pStack,
size_t stackSize,
int prio,
unsigned int options)
{
struct k_thread *thread;
#ifdef CONFIG_INIT_STACKS
memset(pStack, 0xaa, stackSize);
#endif
/* Initialize various struct k_thread members */
thread = (struct k_thread *)pStack;
_init_thread_base(&thread->base, prio, _THREAD_PRESTART, options);
/* static threads overwrite it afterwards with real value */
thread->init_data = NULL;
thread->fn_abort = NULL;
#ifdef CONFIG_THREAD_CUSTOM_DATA
/* Initialize custom data field (value is opaque to kernel) */
thread->custom_data = NULL;
#endif
return thread;
}
#endif /* _ASMLANGUAGE */
#endif /* _kernel_structs__h_ */