On Sat, Nov 25, 2017 at 3:09 AM, Deb McLemore <de...@linux.vnet.ibm.com> wrote: > Add an abstract socket to synchronize the readiness of init to receive > the SIGUSR2 to catch poweroff/reboot during an IPL phase (e.g. soft power > off via BMC). > > Signed-off-by: Deb McLemore <de...@linux.vnet.ibm.com> > --- > include/libbb.h | 5 +++++ > init/halt.c | 33 +++++++++++++++++++++++++++++++++ > init/init.c | 22 ++++++++++++++++++++++ > 3 files changed, 60 insertions(+) > > diff --git a/include/libbb.h b/include/libbb.h > index daccf15..9f9bfc2 100644 > --- a/include/libbb.h > +++ b/include/libbb.h > @@ -174,6 +174,11 @@ > # define STRERROR_ERRNO ,strerror(errno) > #endif > > +#ifdef __linux > +#define BB_SIGNALS_SOCKET_STRING "\0bb_signals"
Probably should be "\0bb_init_signals". But I wonder. Can't you probe for existence of process 1 using kill(1,0) syscall returning 0 or ESRCH? _______________________________________________ busybox mailing list busybox@busybox.net http://lists.busybox.net/mailman/listinfo/busybox
