From f7c2e436ed0144d09cff0e3ac90f510a47f0aeac Mon Sep 17 00:00:00 2001 From: Laurent Bercot Date: Wed, 12 Jul 2017 18:22:55 +0000 Subject: Add s6_svc_lock_take() and s6_svc_lock_release() Allows fixing a race condition in s6-rc-init. s6-supervise also creates event/ before supervise/ so that locking the servicedir ensures event/ can be used. --- src/include/s6/s6-supervise.h | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'src/include') diff --git a/src/include/s6/s6-supervise.h b/src/include/s6/s6-supervise.h index f0b08e7..541c30d 100644 --- a/src/include/s6/s6-supervise.h +++ b/src/include/s6/s6-supervise.h @@ -5,6 +5,7 @@ #include #include +#include #define S6_SUPERVISE_CTLDIR "supervise" #define S6_SUPERVISE_EVENTDIR "event" @@ -17,6 +18,9 @@ extern int s6_svc_write (char const *, char const *, size_t) ; extern int s6_svc_writectl (char const *, char const *, char const *, size_t) ; extern int s6_svc_main (int, char const *const *, char const *, char const *, char const *) ; +extern int s6_svc_lock_take (char const *) ; +#define s6_svc_lock_release(fdlock) lock_un(fdlock) + typedef struct s6_svstatus_s s6_svstatus_t, *s6_svstatus_t_ref ; struct s6_svstatus_s { -- cgit v1.3.1