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-rw-r--r--src/supervision/s6-svscan.c16
1 files changed, 13 insertions, 3 deletions
diff --git a/src/supervision/s6-svscan.c b/src/supervision/s6-svscan.c
index ae77ab4..0c0e665 100644
--- a/src/supervision/s6-svscan.c
+++ b/src/supervision/s6-svscan.c
@@ -108,11 +108,20 @@ static void killthem (void)
static inline void closethem (void)
{
+ int gotspecial = 0 ;
unsigned int i = 0 ;
- for (; i < n ; i++) if (services[i].flaglog)
+ for (; i < n ; i++)
+ if (services[i].flagspecial) gotspecial = 1 ;
+ else if (services[i].flaglog)
+ {
+ if (services[i].p[1] >= 0) close(services[i].p[1]) ;
+ if (services[i].p[0] >= 0) close(services[i].p[0]) ;
+ }
+ if (gotspecial)
{
- if (services[i].p[1] >= 0) close(services[i].p[1]) ;
- if (services[i].p[0] >= 0) close(services[i].p[0]) ;
+ close(1) ;
+ if (open("/dev/null", O_WRONLY) < 0)
+ strerr_warnwu1sys("open /dev/null") ;
}
}
@@ -574,6 +583,7 @@ int main (int argc, char const *const *argv)
if (fcntl(consoleholder, F_GETFD) < 0) strerr_dief1sys(100, "invalid console holder fd") ;
if (coe(consoleholder) < 0) strerr_diefu1sys(111, "coe console holder") ;
}
+ if (!fd_sanitize()) strerr_diefu1x(100, "sanitize standard fds") ;
if (argc && (chdir(argv[0]) < 0)) strerr_diefu1sys(111, "chdir") ;
x[1].fd = control_init() ;