1 files changed, 19 insertions, 18 deletions

diff --git a/src/nix-daemon/nix-daemon.cc b/src/nix-daemon/nix-daemon.cc
index 3864ab935de0..bed7de0859a3 100644
--- a/src/nix-daemon/nix-daemon.cc
+++ b/src/nix-daemon/nix-daemon.cc
@@ -513,11 +513,11 @@ static void performOp(bool trusted, unsigned int clientVersion,
     }
 
     case wopOptimiseStore:
-	startWork();
-	store->optimiseStore();
-	stopWork();
-	writeInt(1, to);
-	break;
+        startWork();
+        store->optimiseStore();
+        stopWork();
+        writeInt(1, to);
+        break;
 
     default:
         throw Error(format("invalid operation %1%") % op);
@@ -610,6 +610,8 @@ static void processConnection(bool trusted)
         assert(!canSendStderr);
     };
 
+    canSendStderr = false;
+    _isInterrupted = false;
     printMsg(lvlDebug, format("%1% operations") % opCount);
 }
 
@@ -696,7 +698,8 @@ static PeerInfo getPeerInfo(int remote)
 
 static void daemonLoop(char * * argv)
 {
-    chdir("/");
+    if (chdir("/") == -1)
+        throw SysError("cannot change current directory");
 
     /* Get rid of children automatically; don't let them become
        zombies. */
@@ -726,7 +729,8 @@ static void daemonLoop(char * * argv)
         /* Urgh, sockaddr_un allows path names of only 108 characters.
            So chdir to the socket directory so that we can pass a
            relative path name. */
-        chdir(dirOf(socketPath).c_str());
+        if (chdir(dirOf(socketPath).c_str()) == -1)
+            throw SysError("cannot change current directory");
         Path socketPathRel = "./" + baseNameOf(socketPath);
 
         struct sockaddr_un addr;
@@ -746,7 +750,8 @@ static void daemonLoop(char * * argv)
         if (res == -1)
             throw SysError(format("cannot bind to socket ‘%1%’") % socketPath);
 
-        chdir("/"); /* back to the root */
+        if (chdir("/") == -1) /* back to the root */
+            throw SysError("cannot change current directory");
 
         if (listen(fdSocket, 5) == -1)
             throw SysError(format("cannot listen on socket ‘%1%’") % socketPath);
@@ -799,6 +804,11 @@ static void daemonLoop(char * * argv)
                 % (peer.uidKnown ? user : "<unknown>"));
 
             /* Fork a child to handle the connection. */
+            ProcessOptions options;
+            options.errorPrefix = "unexpected Nix daemon error: ";
+            options.dieWithParent = false;
+            options.runExitHandlers = true;
+            options.allowVfork = false;
             startProcess([&]() {
                 fdSocket.close();
 
@@ -821,7 +831,7 @@ static void daemonLoop(char * * argv)
                 processConnection(trusted);
 
                 exit(0);
-            }, false, "unexpected Nix daemon error: ", true);
+            }, options);
 
         } catch (Interrupted & e) {
             throw;
@@ -832,15 +842,6 @@ static void daemonLoop(char * * argv)
 }
 
 
-void run(Strings args)
-{
-    for (Strings::iterator i = args.begin(); i != args.end(); ) {
-        string arg = *i++;
-    }
-
-}
-
-
 int main(int argc, char * * argv)
 {
     return handleExceptions(argv[0], [&]() {