Add rollback to s6rc_servicedir_manage; it should now be transactional

1 files changed, 23 insertions, 0 deletions

diff --git a/src/libs6rc/s6rc_servicedir_unsupervise.c b/src/libs6rc/s6rc_servicedir_unsupervise.c
new file mode 100644
index 0000000..14a1164
--- /dev/null
+++ b/src/libs6rc/s6rc_servicedir_unsupervise.c
@@ -0,0 +1,23 @@
+/* ISC license. */
+
+#include <unistd.h>
+#include <skalibs/bytestr.h>
+#include <s6/s6-supervise.h>
+#include <s6-rc/s6rc-servicedir.h>
+
+void s6rc_servicedir_unsupervise (char const *live, char const *name, int keepsupervisor)
+{
+  unsigned int namelen = str_len(name) ;
+  unsigned int livelen = str_len(live) ;
+  char fn[livelen + 14 + namelen] ;
+  byte_copy(fn, livelen, live) ;
+  byte_copy(fn + livelen, 9, "/scandir/") ;
+  byte_copy(fn + livelen + 9, namelen + 1, name) ;
+  unlink(fn) ;
+  if (!keepsupervisor)
+  {
+    byte_copy(fn + livelen + 1, 12, "servicedirs/") ;
+    byte_copy(fn + livelen + 13, namelen + 1, name) ;
+    s6_svc_writectl(fn, S6_SUPERVISE_CTLDIR, "x", 1) ;
+  }
+}