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eo: call stack remove stack->dropcount 

stack->shrink_frame does the same but more efficiently
change the value of EO_CALL_STACK_SHRINK_DROP if needed
This commit is contained in:
Jérémy Zurcher 2014-09-23 10:26:33 +02:00
parent 007efb5f05
commit 95e610d89a
1 changed files with 3 additions and 18 deletions
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21
src/lib/eo/eo.c
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@ -281,7 +281,6 @@ typedef struct _Eo_Call_Stack {
Eo_Stack_Frame *last_frame;
Eo_Stack_Frame *shrink_frame;
size_t max_size;
int dropcount;
} Eo_Call_Stack;
#define MEM_PAGE_SIZE 4096
@ -427,23 +426,9 @@ _eo_call_stack_resize(Eo_Call_Stack *stack, Eina_Bool grow)
sz = stack->last_frame - stack->frames + 1;
if (grow)
{
next_sz = sz * 2;
// reset drop counter to avoid dropping stack for up to 2 ^ 18
// requests/tries
stack->dropcount = 1 << 18;
}
next_sz = sz * 2;
else
{
// if we want to drop - delay if dropcounter still > 0 and drop it
if (stack->dropcount > 0)
{
stack->dropcount--;
return;
}
// actually drop
next_sz = sz / 2;
}
next_sz = sz / 2;
frame_offset = stack->frame_ptr - stack->frames;
DBG("resize from %lu to %lu", (long unsigned int)sz, (long unsigned int)next_sz);
@ -568,7 +553,7 @@ _eo_do_end(const Eo **eo_id EINA_UNUSED)
stack->frame_ptr--;
if (fptr <= stack->shrink_frame)
if (fptr == stack->shrink_frame)
_eo_call_stack_resize(stack, EINA_FALSE);
}