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-rw-r--r--src/supervision/s6-notify-socket-from-fd.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/supervision/s6-notify-socket-from-fd.c b/src/supervision/s6-notify-socket-from-fd.c
index 97c8cb3..8f12872 100644
--- a/src/supervision/s6-notify-socket-from-fd.c
+++ b/src/supervision/s6-notify-socket-from-fd.c
@@ -21,6 +21,8 @@
#include <skalibs/djbunix.h>
#include <skalibs/socket.h>
+#include <skalibs/posixishard.h>
+
#define USAGE "s6-notify-socket-from-fd [ -d fd ] [ -f ] [ -t timeout ] [ -k ] prog..."
#define dieusage() strerr_dieusage(100, USAGE)