taobao/tengine — pull request #131 by lifeibo (2012-11-28 09:03:09+00:00)
Title: Sysguard not work on mac os.

Mac os x does not support sysinfo system call, the call of ngx_getmeminfo will return NGX_ERROR forever. In this case, ngx_http_sysguard_update will return NGX_ERROR, so limit request by load will invalidate lost its meaning. This commit fixed this bug.