properly create new session/controlling terminal in forkpty

diff --git a/src/misc/forkpty.c b/src/misc/forkpty.c
index 2d1b0ae28e5f178f181a61fee214d5cd7a9a63f4..0bbf2de2746bba58d38b258428700320415706f8 100644 (file)
--- a/src/misc/forkpty.c
+++ b/src/misc/forkpty.c
@@ -1,5 +1,6 @@
 #include <pty.h>
 #include <unistd.h>
+#include <sys/ioctl.h>
 
 int forkpty(int *m, char *name, const struct termios *tio, const struct winsize *ws)
 {
@@ -10,10 +11,12 @@ int forkpty(int *m, char *name, const struct termios *tio, const struct winsize
        pid = fork();
        if (!pid) {
                close(*m);
+               setsid();
+               ioctl(s, TIOCSCTTY, (char *)0);
                dup2(s, 0);
                dup2(s, 1);
                dup2(s, 2);
-               close(s);
+               if (s>2) close(s);
                return 0;
        }
        close(s);