Sysctl Syscall Support

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linux-syscall-support - Git at Google

    https://chromium.googlesource.com/linux-syscall-support/
    Linux Syscall Support (LSS) Every so often, projects need to directly embed Linux system calls instead of calling the implementations in the system runtime library. This project provides a header file that can be included into your application whenever you need to make direct system calls.

Documentation for /proc/sys/kernel/ — The Linux Kernel ...

    https://www.kernel.org/doc/html/latest/admin-guide/sysctl/kernel.html
    Each write syscall must fully contain the sysctl value to be written, and multiple writes on the same sysctl file descriptor will rewrite the sysctl value, regardless of file position. 0: Same behavior as above, but warn about processes that perform writes to a sysctl file descriptor when the file position is not 0. 1

[PATCH 2/2] sysctl: lockdep support for sysctl reference ...

    http://lkml.iu.edu/hypermail/linux/kernel/0903.2/02593.html
    It is possible for get lock ordering deadlocks between locks and waiting for the sysctl used count to drop to zero. We have recently observed one of these in the networking code.

Linux 5.5 Finally Doing Away With The SYSCTL System Call

    https://www.phoronix.com/scan.php?page=news_item&px=Linux-5.5-Kills-SYSCTL-SYSCALL
    Nov 28, 2019 · The Linux sysctl system call has long been deprecated and not advised for use with the sysctl interface being exposed via /proc/sys being the preferred means of reading/setting kernel system attributes. The change for Linux 5.5 isn't touching the /proc/sys support but is just about finally removing the system call with the binary interface to ...

sysctl - Wikipedia

    https://en.wikipedia.org/wiki/Sysctl
    sysctl is a software utility of some Unix-like operating systems that reads and modifies the attributes of the system kernel such as its version number, maximum limits, and security settings. It is available both as a system call for compiled programs, and an administrator command for interactive use and scripting.Operating system: Unix-like (FreeBSD, OpenBSD)

Why 'sysctl -a' command warns about the deprecated syscall ...

    https://access.redhat.com/solutions/29239
    Why 'sysctl -a' command warns about the deprecated syscall net.ipv6.neigh.lo.base_reachable_time ? Why the following warnings are seen in /var/log/messages: kernel: process `sysctl' is using

Add support for --security-opt, --syscall, --ulimit...to ...

    https://github.com/moby/moby/issues/25209
    Jul 29, 2016 · Add support for --security-opt, --syscall, --ulimit...to swarm mode #25209. Open mostolog opened this issue Jul 29, 2016 · 70 comments ... @thaJeztah Sysctl support for services was added on 19.03 so can we actually close this one? This comment has been minimized. Sign in to view.

The Linux Kernel: Configuring the Kernel (Part 2) Linux.org

    https://www.linux.org/threads/the-linux-kernel-configuring-the-kernel-part-2.8786/
    Jun 16, 2014 · To enable legacy 16-bit UID syscall wrappers, answer yes to this question (Enable 16-bit UID system calls (UID16)). These system calls use 16-bit user IDs. It is recommended to enable sysctl syscall support (Sysctl syscall support (SYSCTL_SYSCALL)). This allows /proc/sys to …

834594 – 'sosreport' is using deprecated sysctl (syscall ...

    https://bugzilla.redhat.com/show_bug.cgi?id=834594
    Description of problem: RHEL 6.3 - running sosreport generates a warning about sysctl process `sosreport' is using deprecated sysctl (syscall) net.ipv6.neigh.default.retrans_time; Use net.ipv6.neigh.default.retrans_time_ms instead.

Add support for sysctl options in services by dperny ...

    https://github.com/moby/moby/pull/37701
    - What I did Adds support for sysctl options in docker services. Adds API plumbing for creating services with sysctl options set. Adds swagger.yaml documentation for new API field. Changes executor package to make use of the Sysctls field on objects Includes integration test to verify that new behavior works. Essentially, everything needed to support the equivalent of docker run's --sysctl ...



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