From: Luca Boccassi <bluca@debian.org>
To: libc-alpha@sourceware.org
Subject: Re: [PATCH v9 0/6] Add pidfd and cgroupv2 support for process creation
Date: Mon, 28 Aug 2023 13:42:59 +0100 [thread overview]
Message-ID: <552d74b856eafbe3529f4456ba70e36376590a37.camel@debian.org> (raw)
In-Reply-To: <20230824164219.391263-1-adhemerval.zanella@linaro.org>
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> The glibc 2.36 added wrappers for Linux syscall pidfd_open,
> pidfd_getfd,
> and pidfd_send_signal, and exported the P_PIDFD to use along with
> waitid. The pidfd is a race-free interface, however, the pidfd_open
> is
> subject to TOCTOU if the file descriptor is not obtained directly
> from
> the clone or clone3 syscall (there is still a small window between
> the
> clone return and the pidfd_getfd where the process can be reaped and
> the
> process ID reused).
Thanks, this looks great and will make use of all these new APIs from
systemd as soon as they are available, so for the series:
Acked-by: Luca Boccassi <bluca@debian.org>
--
Kind regards,
Luca Boccassi
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prev parent reply other threads:[~2023-08-28 12:43 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-08-24 16:42 Adhemerval Zanella
2023-08-24 16:42 ` [PATCH v9 1/6] arm: Add the clone3 wrapper Adhemerval Zanella
2023-09-04 12:04 ` Florian Weimer
2023-09-05 13:14 ` Adhemerval Zanella Netto
2023-08-24 16:42 ` [PATCH v9 2/6] mips: " Adhemerval Zanella
2023-09-04 12:04 ` Florian Weimer
2023-09-05 13:15 ` Adhemerval Zanella Netto
2023-08-24 16:42 ` [PATCH v9 3/6] linux: Define __ASSUME_CLONE3 to 0 for alpha, ia64, nios2, sh, and sparc Adhemerval Zanella
2023-08-24 16:42 ` [PATCH v9 4/6] linux: Add posix_spawnattr_{get,set}cgroup_np (BZ 26731) Adhemerval Zanella
2023-08-24 16:42 ` [PATCH v9 5/6] posix: Add pidfd_spawn and pidfd_spawnp (BZ 30349) Adhemerval Zanella
2023-09-04 12:53 ` Florian Weimer
2023-08-24 16:42 ` [PATCH v9 6/6] linux: Add pidfd_getpid Adhemerval Zanella
2023-08-28 12:42 ` Luca Boccassi [this message]
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