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cog: reset cache instead of returning NULL

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Returning NULL makes things crash.  Resetting the cache
makes things run slow.  Still an underlying bug somewhere,
but not critical.
This commit is contained in:
David Schleef 2009-09-25 18:14:28 -07:00
parent 05a1e071b9
commit 3c870a7a6c
1 changed files with 8 additions and 2 deletions
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10
ext/cog/cogvirtframe.c
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@ -139,8 +139,14 @@ cog_virt_frame_get_line (CogFrame * frame, int component, int i)
}
if (i < frame->cache_offset[component]) {
g_warning ("cache failure");
return NULL;
g_warning ("cache failure: %d outside [%d,%d]", i,
frame->cache_offset[component],
frame->cache_offset[component] + COG_FRAME_CACHE_SIZE - 1);
frame->cache_offset[component] = i;
for (j = 0; j < COG_FRAME_CACHE_SIZE; j++) {
frame->cached_lines[component][j] = 0;
}
}
while (i >= frame->cache_offset[component] + COG_FRAME_CACHE_SIZE) {