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fix comment for lpushbuffer

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The size of first chunk ([2]) is 16 struct buffer_node, and the second
size is 32 ...
This commit is contained in:
puXiaoyi
2016-07-14 13:49:06 +08:00
parent 97538286fd
commit b278106336
1 changed files with 2 additions and 2 deletions
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4
lualib-src/lua-socket.c
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@@ -87,8 +87,8 @@ lnewbuffer(lua_State *L) {
Comment: The table pool record all the buffers chunk, Comment: The table pool record all the buffers chunk,
and the first index [1] is a lightuserdata : free_node. We can always use this pointer for struct buffer_node . and the first index [1] is a lightuserdata : free_node. We can always use this pointer for struct buffer_node .
The following ([2] ...) userdatas in table pool is the buffer chunk (for struct buffer_node), The following ([2] ...) userdatas in table pool is the buffer chunk (for struct buffer_node),
we never free them until the VM closed. The size of first chunk ([2]) is 8 struct buffer_node, we never free them until the VM closed. The size of first chunk ([2]) is 16 struct buffer_node,
and the second size is 16 ... The largest size of chunk is LARGE_PAGE_NODE (4096) and the second size is 32 ... The largest size of chunk is LARGE_PAGE_NODE (4096)
lpushbbuffer will get a free struct buffer_node from table pool, and then put the msg/size in it. lpushbbuffer will get a free struct buffer_node from table pool, and then put the msg/size in it.
lpopbuffer return the struct buffer_node back to table pool (By calling return_free_node). lpopbuffer return the struct buffer_node back to table pool (By calling return_free_node).