8 files changed, 36 insertions, 15 deletions
diff --git a/src/supervision/deps-exe/s6-supervise b/src/supervision/deps-exe/s6-supervise
index 58a34e0..077e863 100644
--- a/src/supervision/deps-exe/s6-supervise
+++ b/src/supervision/deps-exe/s6-supervise
@@ -1,3 +1,3 @@
--ls6
+${LIBS6}
 -lskarnet
 ${TAINNOW_LIB}
diff --git a/src/supervision/deps-exe/s6-svc b/src/supervision/deps-exe/s6-svc
index 83cec1e..08815d9 100644
--- a/src/supervision/deps-exe/s6-svc
+++ b/src/supervision/deps-exe/s6-svc
@@ -1,2 +1,2 @@
--ls6
+${LIBS6}
 -lskarnet
diff --git a/src/supervision/deps-exe/s6-svscan b/src/supervision/deps-exe/s6-svscan
index 58a34e0..077e863 100644
--- a/src/supervision/deps-exe/s6-svscan
+++ b/src/supervision/deps-exe/s6-svscan
@@ -1,3 +1,3 @@
--ls6
+${LIBS6}
 -lskarnet
 ${TAINNOW_LIB}
diff --git a/src/supervision/deps-exe/s6-svscanctl b/src/supervision/deps-exe/s6-svscanctl
index 83cec1e..08815d9 100644
--- a/src/supervision/deps-exe/s6-svscanctl
+++ b/src/supervision/deps-exe/s6-svscanctl
@@ -1,2 +1,2 @@
--ls6
+${LIBS6}
 -lskarnet
diff --git a/src/supervision/deps-exe/s6-svstat b/src/supervision/deps-exe/s6-svstat
index 7065b26..b1e57e4 100644
--- a/src/supervision/deps-exe/s6-svstat
+++ b/src/supervision/deps-exe/s6-svstat
@@ -1,3 +1,3 @@
--ls6
+${LIBS6}
 -lskarnet
 ${SYSCLOCK_LIB}
diff --git a/src/supervision/deps-exe/s6-svwait b/src/supervision/deps-exe/s6-svwait
index ac0cace..f3a3143 100644
--- a/src/supervision/deps-exe/s6-svwait
+++ b/src/supervision/deps-exe/s6-svwait
@@ -1,4 +1,4 @@
--ls6
+${LIBS6}
 -lskarnet
 ${SOCKET_LIB}
 ${TAINNOW_LIB}
diff --git a/src/supervision/s6-supervise.c b/src/supervision/s6-supervise.c
index de9b6ea..65cbd9d 100644
--- a/src/supervision/s6-supervise.c
+++ b/src/supervision/s6-supervise.c
@@ -161,6 +161,8 @@ static void trystart (void)
     PROG = "s6-supervise (child)" ;
     selfpipe_finish() ;
     fd_close(p[0]) ;
+    if (unlink(S6_SUPERVISE_READY_FILENAME) < 0 && errno != ENOENT)
+      strerr_warnwu1sys("unlink " S6_SUPERVISE_READY_FILENAME) ;
     if (flagsetsid) setsid() ;
     execve("./run", (char *const *)cargv, (char *const *)environ) ;
     fd_write(p[1], "", 1) ;
@@ -264,14 +266,21 @@ static void uptimeout (void)
   strerr_warnw1x("can't happen: timeout while the service is up!") ;
 }
 
-static void up_z (void)
+static void uplastup_z (int islast)
 {
   int wstat = status.pid ;
   status.pid = 0 ;
   tain_copynow(&status.stamp) ;
   announce() ;
   ftrigw_notify(S6_SUPERVISE_EVENTDIR, 'd') ;
-  tryfinish(wstat, 0) ;
+  if (unlink(S6_SUPERVISE_READY_FILENAME) < 0 && errno != ENOENT)
+    strerr_warnwu1sys("unlink " S6_SUPERVISE_READY_FILENAME) ;
+  tryfinish(wstat, islast) ;
+}
+
+static void up_z (void)
+{
+  uplastup_z(0) ;
 }
 
 static void up_o (void)
@@ -346,12 +355,7 @@ static void finish_x (void)
 
 static void lastup_z (void)
 {
-  int wstat = status.pid ;
-  status.pid = 0 ;
-  tain_copynow(&status.stamp) ;
-  announce() ;
-  ftrigw_notify(S6_SUPERVISE_EVENTDIR, 'd') ;
-  tryfinish(wstat, 1) ;
+  uplastup_z(1) ;
 }
 
 static action_t_ref const actions[5][23] =
diff --git a/src/supervision/s6-svwait.c b/src/supervision/s6-svwait.c
index 0d7c96c..a6dc410 100644
--- a/src/supervision/s6-svwait.c
+++ b/src/supervision/s6-svwait.c
@@ -1,5 +1,7 @@
 /* ISC license. */
 
+#include <unistd.h>
+#include <errno.h>
 #include <skalibs/sgetopt.h>
 #include <skalibs/bytestr.h>
 #include <skalibs/uint16.h>
@@ -77,8 +79,23 @@ int main (int argc, char const *const *argv)
     for (i = 0 ; i < (unsigned int)argc ; i++)
     {
       s6_svstatus_t st = S6_SVSTATUS_ZERO ;
+      int isup ;
       if (!s6_svstatus_read(argv[i], &st)) strerr_diefu1sys(111, "s6_svstatus_read") ;
-      bitarray_poke(states, i, !!st.pid) ;
+      isup = !!st.pid ;
+      if (re[0] == 'U' && isup)
+      {
+        unsigned int len = str_len(argv[i]) ;
+        char s[len + 1 + sizeof(S6_SUPERVISE_READY_FILENAME)] ;
+        byte_copy(s, len, argv[i]) ;
+        s[len] = '/' ;
+        byte_copy(s + len + 1, sizeof(S6_SUPERVISE_READY_FILENAME), S6_SUPERVISE_READY_FILENAME) ;
+        if (access(s, F_OK) < 0)
+        {
+          if (errno == ENOENT) isup = 0 ;
+          else strerr_warnwu2sys("check ", s) ;
+        }
+      }
+      bitarray_poke(states, i, isup) ;
     }
 
     for (;;)