mirror of
https://github.com/neondatabase/neon.git
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7cec13d1df
This patch introduces fixes for several problems affecting LLVM-based code coverage: * Daemonizing parent processes should call _exit() to prevent coverage data file corruption (*.profraw) due to concurrent writes. * Implement proper shutdown handlers in safekeeper.
82 lines
2.9 KiB
Rust
82 lines
2.9 KiB
Rust
//! zenith_utils is intended to be a place to put code that is shared
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//! between other crates in this repository.
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#![allow(clippy::manual_range_contains)]
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/// `Lsn` type implements common tasks on Log Sequence Numbers
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pub mod lsn;
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/// SeqWait allows waiting for a future sequence number to arrive
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pub mod seqwait;
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/// append only ordered map implemented with a Vec
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pub mod vec_map;
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// Async version of SeqWait. Currently unused.
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// pub mod seqwait_async;
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pub mod bin_ser;
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pub mod postgres_backend;
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pub mod pq_proto;
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// dealing with connstring parsing and handy access to it's parts
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pub mod connstring;
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// helper functions for creating and fsyncing directories/trees
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pub mod crashsafe_dir;
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// common authentication routines
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pub mod auth;
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// utility functions and helper traits for unified unique id generation/serialization etc.
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pub mod zid;
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// http endpoint utils
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pub mod http;
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// socket splitting utils
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pub mod sock_split;
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// common log initialisation routine
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pub mod logging;
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// Misc
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pub mod accum;
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pub mod shutdown;
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// Utility for binding TcpListeners with proper socket options.
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pub mod tcp_listener;
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// Utility for putting a raw file descriptor into non-blocking mode
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pub mod nonblock;
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// Default signal handling
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pub mod signals;
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// This is a shortcut to embed git sha into binaries and avoid copying the same build script to all packages
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//
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// we have several cases:
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// * building locally from git repo
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// * building in CI from git repo
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// * building in docker (either in CI or locally)
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//
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// One thing to note is that .git is not available in docker (and it is bad to include it there).
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// So everything becides docker build is covered by git_version crate.
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// For docker use environment variable to pass git version, which is then retrieved by buildscript (build.rs).
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// It takes variable from build process env and puts it to the rustc env. And then we can retrieve it here by using env! macro.
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// Git version received from environment variable used as a fallback in git_version invokation.
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// And to avoid running buildscript every recompilation, we use rerun-if-env-changed option.
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// So the build script will be run only when GIT_VERSION envvar has changed.
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//
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// Why not to use buildscript to get git commit sha directly without procmacro from different crate?
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// Caching and workspaces complicates that. In case zenith_utils is not
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// recompiled due to caching then version may become outdated.
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// git_version crate handles that case by introducing a dependency on .git internals via include_bytes! macro,
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// so if we changed the index state git_version will pick that up and rerun the macro.
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//
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// Note that with git_version prefix is `git:` and in case of git version from env its `git-env:`.
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use git_version::git_version;
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pub const GIT_VERSION: &str = git_version!(
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prefix = "git:",
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fallback = concat!("git-env:", env!("GIT_VERSION")),
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args = ["--abbrev=40", "--always", "--dirty=-modified"] // always use full sha
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);
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