introduce throwable_exit for nicer stack unwinding

yes, I enjoy abusing features

Signed-off-by: Michael Krelin <hacker@klever.net>

1 files changed, 3 insertions, 1 deletions

diff --git a/src/iiid.cc b/src/iiid.cc
index d655fe3..b3dd3bf 100644
--- a/src/iiid.cc
+++ b/src/iiid.cc
@@ -44,54 +44,56 @@ int main(int argc,char **argv) try {
                     "           (you're not likely to ever need it)\n"
                     << std::endl << std::endl;
                 exit(0);
                 break;
             case 'V':
                 std::cerr << VERSION << std::endl;
                 exit(0);
                 break;
             case 'L':
                 extern const char *COPYING;
                 std::cerr << COPYING << std::endl;
                 exit(0);
                 break;
             case 'p':
                 port = 0xffff&strtol(optarg,0,0);
                 if(errno) {
                     std::cerr << "Failed to parse port number" << std::endl;
                     exit(1);
                 }
                 break;
             default:
                 std::cerr << "Huh?" << std::endl;
                 exit(1);
                 break;
         }
     }
 
     const char *ident = rindex(*argv,'/');
     if(ident)
         ++ident;
     else
         ident = *argv;
     openlog(ident,LOG_PERROR|LOG_PID,LOG_DAEMON);
     syslog(LOG_INFO,"Starting iii eye-fi manager");
 
     struct stat st;
     if(stat(EYEKIN_CONF_DIR,&st) || !S_ISDIR(st.st_mode))
         syslog(LOG_WARNING,"configuration directory '%s' does not exist or is not a directory",EYEKIN_CONF_DIR);
     glob_t g; int rg = glob(EYEKIN_CONF_DIR"/????????????.conf",GLOB_NOSORT,NULL,&g);
     if(rg || !g.gl_pathc)
         syslog(LOG_WARNING,"I see nothing resembling a card config in '%s'",EYEKIN_CONF_DIR);
     else
         globfree(&g);
 
     eyefiworker().run(port);
 
     closelog();
     return 0;
-} catch(std::exception& e) {
+} catch(const throwable_exit& e) {
+    return e.rc;
+} catch(const std::exception& e) {
     syslog(LOG_CRIT,"Exiting iii daemon, because of error condition");
     syslog(LOG_CRIT,"Exception: %s",e.what());
     return 1;
 }