1 files changed, 21 insertions, 0 deletions
diff --git a/src/libs6rc/s6rc_servicedir_unblock.c b/src/libs6rc/s6rc_servicedir_unblock.c
new file mode 100644
index 0000000..6fd846c
--- /dev/null
+++ b/src/libs6rc/s6rc_servicedir_unblock.c
@@ -0,0 +1,21 @@
+/* ISC license. */
+
+#include <errno.h>
+#include <unistd.h>
+#include <skalibs/bytestr.h>
+#include <s6/s6-supervise.h>
+#include <s6-rc/s6rc-servicedir.h>
+
+int s6rc_servicedir_unblock (char const *dir, int h)
+{
+  if (h)
+  {
+    unsigned int dirlen = str_len(dir) ;
+    char fn[dirlen + 6] ;
+    byte_copy(fn, dirlen, dir) ;
+    byte_copy(fn + dirlen, 6, "/down") ;
+    if (unlink(fn) < 0 && errno != ENOENT) return -1 ;
+    if (s6_svc_writectl(dir, S6_SUPERVISE_CTLDIR, "u", 1) < 0) return -1 ;
+  }
+  return 0 ;
+}