1 files changed, 21 insertions, 11 deletions

diff --git a/src/process.cc b/src/process.cc
index 8a5b5d2..96c874f 100644
--- a/src/process.cc
+++ b/src/process.cc
@@ -204,82 +204,92 @@ void process::signal(int signum) const {
         if(kill(pid,signum))
             throw runtime_error("failed to signal process");
     }else if(!process_name.empty()) {
         if(procpids.empty())
             gather_proc_info();
         pair<multimap<string,pid_t>::const_iterator,multimap<string,pid_t>::const_iterator> range = procpids.equal_range(process_name);
         int count = 0;
         for(multimap<string,pid_t>::const_iterator i=range.first;i!=range.second;++i) {
             pid_t pid = i->second;
             if(kill(i->second,signum))
                 throw runtime_error("failed to signal process");
             count++;
         }
         if(!count)
             throw runtime_error("no running instance detected");
     }else
         throw runtime_error("nothing is known about the process");
 }
 
 void process::prepare_herd() {
     procpids.clear();
 }
 void process::unprepare_herd() {
     procpids.clear();
 }
 void process::gather_proc_info() {
     vector<pid_t> allpids;
     DIR *pd = opendir("/proc");
     if(!pd)
         throw runtime_error("failed to open /proc");
     struct dirent *pde;
     pid_t selfpid = getpid();
     while(pde=readdir(pd)) {
         errno=0;
         pid_t pid = atoi(pde->d_name);
         if((!pid) || pid==selfpid)
             continue;
         allpids.push_back(pid);
     }
     closedir(pd);
     char s[256];
     procpids.clear();
     for(vector<pid_t>::const_iterator i=allpids.begin();i!=allpids.end();++i) {
         int r = snprintf(s,sizeof(s),"/proc/%d/stat",*i);
         if(r>=sizeof(s) || r<1)
             continue;
         string cmd;
         ifstream ss(s,ios::in);
-        if(!ss)
-            continue;
-        getline(ss,cmd);
-        string::size_type op = cmd.find('(');
-        if(op==string::npos)
-            continue;
-        cmd.erase(0,op+1);
-        string::size_type cp = cmd.find(')');
-        if(cp==string::npos)
-            continue;
-        cmd.erase(cp);
+        if(ss) {
+            getline(ss,cmd);
+            string::size_type op = cmd.find('(');
+            if(op==string::npos)
+                continue;
+            cmd.erase(0,op+1);
+            string::size_type cp = cmd.find(')');
+            if(cp==string::npos)
+                continue;
+            cmd.erase(cp);
+        }else{
+            r = snprintf(s,sizeof(s),"/proc/%d/status",*i);
+            if(r>=sizeof(s) || r<1)
+                continue;
+            ifstream ss(s,ios::in);
+            if(!ss)
+                continue;
+            ss >> cmd;
+            if(cmd.empty())
+                continue;
+        }
         r = snprintf(s,sizeof(s),"/proc/%d/cmdline",*i);
         if(r>=sizeof(s) || r<1)
             continue;
         ifstream cs(s,ios::binary);
         if(!cs)
             continue;
         string command;
         while(cs) {
             string cl;
             getline(cs,cl,(char)0);
             string::size_type lsl = cl.rfind('/');
             if(lsl!=string::npos)
                 cl.erase(0,lsl+1);
             if(cl.substr(0,cmd.length())==cmd) {
                 command = cl;
                 break;
             }
         }
         procpids.insert(pair<string,pid_t>(cmd,*i));
         if((!command.empty()) && cmd!=command)
             procpids.insert(pair<string,pid_t>(command,*i));
     }
 }