Cent7 安装的预编译版本:
[root@localhost ~]# resty -v
resty 0.16
nginx version: openresty/1.11.2.2
built by gcc 4.8.5 20150623 (Red Hat 4.8.5-4) (GCC)
built with OpenSSL 1.0.2j 26 Sep 2016
TLS SNI support enabled
configure arguments: --prefix=/usr/local/openresty/nginx --with-cc-opt='-O2 -I/usr/local/openresty/zlib/include -I/usr/local/openresty/pcre/include -I/usr/local/openresty/openssl/include' --add-module=../ngx_devel_kit-0.3.0 --add-module=../echo-nginx-module-0.60 --add-module=../xss-nginx-module-0.05 --add-module=../ngx_coolkit-0.2rc3 --add-module=../set-misc-nginx-module-0.31 --add-module=../form-input-nginx-module-0.12 --add-module=../encrypted-session-nginx-module-0.06 --add-module=../srcache-nginx-module-0.31 --add-module=../ngx_lua-0.10.7 --add-module=../ngx_lua_upstream-0.06 --add-module=../headers-more-nginx-module-0.32 --add-module=../array-var-nginx-module-0.05 --add-module=../memc-nginx-module-0.17 --add-module=../redis2-nginx-module-0.13 --add-module=../redis-nginx-module-0.3.7 --with-ld-opt='-Wl,-rpath,/usr/local/openresty/luajit/lib -L/usr/local/openresty/zlib/lib -L/usr/local/openresty/pcre/lib -L/usr/local/openresty/openssl/lib -Wl,-rpath,/usr/local/openresty/zlib/lib:/usr/local/openresty/pcre/lib:/usr/local/openresty/openssl/lib' --with-pcre-jit --with-ipv6 --with-stream --with-stream_ssl_module --with-http_v2_module --without-mail_pop3_module --without-mail_imap_module --without-mail_smtp_module --with-http_stub_status_module --with-http_realip_module --with-http_addition_module --with-http_auth_request_module --with-http_secure_link_module --with-http_random_index_module --with-http_gzip_static_module --with-http_sub_module --with-http_dav_module --with-http_flv_module --with-http_mp4_module --with-http_gunzip_module --with-threads --with-file-aio --with-dtrace-probes --with-http_ssl_module
luajit 使用的是 openresty/luajit/bin/luajit。运行如下代码:
local ffi = require 'ffi'
ffi.cdef[[
typedef void *iconv_t;
iconv_t iconv_open (const char *__tocode, const char *__fromcode);
]]
ffi.C.iconv_open('GBK', 'UTF-8')
local ok = ffi.errno()
print(ok)
代码在 luajit 中执行正常,在 openresty 中执行报错:
[root@localhost ~]# luajit b.lua
0
[root@localhost ~]# resty a.lua
2
-------------------------
起初是用 ffi 写了一个 libiconv 的封装:https://github.com/xiaooloong/lua-resty-iconv
开发时使用 luajit 测试的,一直正常
开发完在 OpenResty 里运行时出现了问题,但是又有一定概率是正常的,很不解