[sr-dev] git:5.1:48c8f775: app_perl: do dlerror() after dlsym() fails to find exports

Module: kamailio Branch: 5.1 Commit: 48c8f7751d701c8a6dd538280c5c1fa6129d141d URL: https://github.com/kamailio/kamailio/commit/48c8f7751d701c8a6dd538280c5c1fa… Author: Daniel-Constantin Mierla <miconda(a)gmail.com> Committer: Daniel-Constantin Mierla <miconda(a)gmail.com> Date: 2018-03-14T11:21:56+01:00 app_perl: do dlerror() after dlsym() fails to find exports - some OSes do not reset dlerror after a successful dlsym(), pointing to an older error case - reported by GH #1465 (cherry picked from commit 795edca9215391f7c8f646895c083f8ac8853341) --- Modified: src/core/sr_module.c --- Diff: https://github.com/kamailio/kamailio/commit/48c8f7751d701c8a6dd538280c5c1fa… Patch: https://github.com/kamailio/kamailio/commit/48c8f7751d701c8a6dd538280c5c1fa… --- diff --git a/src/core/sr_module.c b/src/core/sr_module.c index 8a195fc12d..f04d486908 100644 --- a/src/core/sr_module.c +++ b/src/core/sr_module.c @@ -619,6 +619,9 @@ int load_module(char* mod_path) } exp = (union module_exports_u*)dlsym(handle, "exports"); if(exp==NULL) { + error =(char*)dlerror(); + LM_DBG("attempt to lookup exports structure failed - dlerror: %s\n", + (error)?error:"none"); /* 'exports' structure not found, look up for '_modulename_exports' */ mdir = strrchr(mod_path, '/'); if (!mdir) {