On Wed, Nov 27, 2013 at 2:46 AM, Rich Felker <[email protected]> wrote: > On Tue, Nov 26, 2013 at 10:01:36PM +0200, Daniel Borca wrote: >> +#ifndef HAVE_SIGISEMPTYSET >> +int sigisemptyset(sigset_t *set) >> +{ >> + sigset_t empty; >> + int ret = sigemptyset(&empty); >> + if (ret == 0) { >> + ret = !memcmp(&empty, set, sizeof(sigset_t)); >> + } >> + return ret; >> +} >> +#endif > > This is not a suitable fallback implementation. It's not needed on > musl (we provide sigisemptyset), but if this version were used, it > would give the wrong results, because musl's sigemptyset only fills > the first _NSIG-1 bits and ignores the remaining ~900 bits of junk in > sigset_t.
Why does musl use such pointlessly huge sigset_t? _______________________________________________ busybox mailing list [email protected] http://lists.busybox.net/mailman/listinfo/busybox
