Date: Mon, 24 Jan 2022 22:24:31 +0100 From: Florian Weimer <fweimer@...hat.com> To: enh <enh@...gle.com> Cc: libc-coord@...ts.openwall.com, Maciej Żenczykowski <maze@...gle.com> Subject: Re: posix_spawn() support for close_range(CLOSE_RANGE_CLOEXEC) > we have a proposal to add a new posix_spawn() flag to bionic > (Android's libc) that would mark all file descriptors not otherwise > mentioned as close-on-exec. > > (see https://android-review.googlesource.com/c/platform/bionic/+/1955269 > for the proposed implementation.) > > anyone aware of any other work in this kind of direction? Solaris and glibc have posix_spawn_file_actions_addclosefrom_np (Solaris was first). Given that the execve is unavoidable (except for errors), that seems pretty much equivalent. Perhaps POSIX_SPAWN_CLOEXEC_DEFAULT is a little bit easier to use? Thanks, Florian
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