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Merge branch 'srs.master'

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winlin 2014-11-10 11:11:23 +08:00
commit 922cdc5512
1 changed files with 7 additions and 0 deletions
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trunk/research/st/sched.c
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@ -546,6 +546,13 @@ _st_thread_t *st_thread_create(void *(*start)(void *arg), void *arg, int joinabl
/* Allocate thread object and per-thread data off the stack */ /* Allocate thread object and per-thread data off the stack */
#if defined (MD_STACK_GROWS_DOWN) #if defined (MD_STACK_GROWS_DOWN)
sp = stack->stk_top; sp = stack->stk_top;
/*
* The stack segment is split in the middle. The upper half is used
* as backing store for the register stack which grows upward.
* The lower half is used for the traditional memory stack which
* grows downward. Both stacks start in the middle and grow outward
* from each other.
*/
sp = sp - (ST_KEYS_MAX * sizeof(void *)); sp = sp - (ST_KEYS_MAX * sizeof(void *));
ptds = (void **) sp; ptds = (void **) sp;
sp = sp - sizeof(_st_thread_t); sp = sp - sizeof(_st_thread_t);