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-rw-r--r--src/supervision/s6-svc.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/src/supervision/s6-svc.c b/src/supervision/s6-svc.c
index ee7ddc5..6a5d64b 100644
--- a/src/supervision/s6-svc.c
+++ b/src/supervision/s6-svc.c
@@ -69,7 +69,6 @@ int main (int argc, char const *const *argv, char const *const *envp)
if (!argc) dieusage() ;
if (argc > 1) strerr_warn1x("ignoring extra arguments") ;
- if (datalen <= 1) return 0 ;
if (updown[1] == 'U' || updown[1] == 'R')
{
size_t arglen = strlen(argv[0]) ;
@@ -89,7 +88,7 @@ int main (int argc, char const *const *argv, char const *const *envp)
char const *newargv[11] ;
unsigned int m = 0 ;
char fmt[UINT_FMT] ;
- newargv[m++] = S6_BINPREFIX "s6-svlisten1" ;
+ newargv[m++] = datalen > 1 ? S6_BINPREFIX "s6-svlisten1" : S6_BINPREFIX "s6-svwait" ;
newargv[m++] = updown ;
if (timeout)
{
@@ -99,10 +98,13 @@ int main (int argc, char const *const *argv, char const *const *envp)
}
newargv[m++] = "--" ;
newargv[m++] = argv[0] ;
- newargv[m++] = S6_BINPREFIX "s6-svc" ;
- newargv[m++] = data ;
- newargv[m++] = "--" ;
- newargv[m++] = argv[0] ;
+ if (datalen > 1)
+ {
+ newargv[m++] = S6_BINPREFIX "s6-svc" ;
+ newargv[m++] = data ;
+ newargv[m++] = "--" ;
+ newargv[m++] = argv[0] ;
+ }
newargv[m++] = 0 ;
xpathexec_run(newargv[0], newargv, envp) ;
}