libdiskfs: Avoid crashing when stdout/err shuts downv0.9.git20220830

stdout/err could shut down for whatever reason (killed the term on
/dev/console or whatever).  We should not crash just because we lost our
ability to print output.

1 files changed, 4 insertions, 0 deletions

diff --git a/libdiskfs/console.c b/libdiskfs/console.c
index 74715b8b..1698f633 100644
--- a/libdiskfs/console.c
+++ b/libdiskfs/console.c
@@ -68,4 +68,8 @@ diskfs_console_stdio ()
       stdout = stderr = mach_open_devstream (cons, "w");
       mach_port_deallocate (mach_task_self (), cons);
     }
+
+  /* And make sure we don't die just because we got some error there.  */
+  signal (SIGPIPE, SIG_IGN);
+  signal (SIGLOST, SIG_IGN);
 }