updated for version 7.3.023
Problem: External program may hang when it tries to write to the tty.
Solution: Don't close the slave tty until after the child exits. (Nikola
Knezevic)
diff --git a/src/os_unix.c b/src/os_unix.c
index b0e0f02..150bdad 100644
--- a/src/os_unix.c
+++ b/src/os_unix.c
@@ -4168,7 +4168,6 @@
# ifdef FEAT_GUI
if (pty_master_fd >= 0)
{
- close(pty_slave_fd); /* close slave side of pty */
fromshell_fd = pty_master_fd;
toshell_fd = dup(pty_master_fd);
}
@@ -4637,6 +4636,14 @@
break;
}
+# ifdef FEAT_GUI
+ /* Close slave side of pty. Only do this after the child has
+ * exited, otherwise the child may hang when it tries to write on
+ * the pty. */
+ if (pty_master_fd >= 0)
+ close(pty_slave_fd);
+# endif
+
/* Make sure the child that writes to the external program is
* dead. */
if (wpid > 0)