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));
     }
 }