s6

commit 2780b6ea7bf7f2343ed3e9da1ab8bdd01d3c0ee3
parent 9bafd9ae5ee8c5539c4b6b0be7f6a72aa3ace8a1
Author: Laurent Bercot <ska-skaware@skarnet.org>
Date:   Fri, 17 Sep 2021 11:23:10 +0000

 Ensure proper detection of s6-svscan not running in all cases

Signed-off-by: Laurent Bercot <ska@appnovation.com>

Diffstat:
M
src/libs6/s6_supervise_link_names.c
 | 
1
+

1 file changed, 1 insertion(+), 0 deletions(-)
diff --git a/src/libs6/s6_supervise_link_names.c b/src/libs6/s6_supervise_link_names.c
@@ -128,6 +128,7 @@ int s6_supervise_link_names (char const *scdir, char const *const *servicedirs, 
     }
     stralloc_free(&rpsa) ;
     r = s6_svc_writectl(scdir, S6_SVSCAN_CTLDIR, "a", 1) ;
+    if (!r) errno = ENXIO ;
     if (r <= 0) goto errsa ;
     killopts = 3 ;
     if (ftrigr_wait_and(&a, ids, m, deadline, stamp) < 0) goto errsa ;