diff options
Diffstat (limited to 'winsup/cygwin/spawn.cc')
| -rw-r--r-- | winsup/cygwin/spawn.cc | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/winsup/cygwin/spawn.cc b/winsup/cygwin/spawn.cc index 37769f78e..40c28f77f 100644 --- a/winsup/cygwin/spawn.cc +++ b/winsup/cygwin/spawn.cc @@ -558,7 +558,17 @@ spawn_guts (const char *prog_arg, const char *const *argv, && (!ch.iscygwin () || mode != _P_OVERLAY || cygheap->fdtab.need_fixup_before ())) c_flags |= CREATE_SUSPENDED; - + /* If a native application should be spawned, we test here if the spawning + process is running in a console and, if so, if it's a foreground or + background process. If it's a background process, we start the native + process with the CREATE_NEW_PROCESS_GROUP flag set. This lets the native + process ignore Ctrl-C by default. If we don't do that, pressing Ctrl-C + in a console will break native processes running in the background, + because the Ctrl-C event is sent to all processes in the console, unless + they ignore it explicitely. CREATE_NEW_PROCESS_GROUP does that for us. */ + if (!ch.iscygwin () && myself->ctty >= 0 && iscons_dev (myself->ctty) + && fhandler_console::tc_getpgid () != getpgrp ()) + c_flags |= CREATE_NEW_PROCESS_GROUP; ch.refresh_cygheap (); /* When ruid != euid we create the new process under the current original account and impersonate in child, this way maintaining the different |