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70f147d019
There is no good way to recommend labels for podman container runlabel. Add the missing max-size log option. These are the only documented options so the completion should not suggest something different. Add proper --stop-signal completion. It will now complete all supported signal names both upper and lowercase depending on the user input. Also it work with and without the SIG prefix. Fixing the TODOs in this file are more complicated since they describe bigger features. [NO NEW TESTS NEEDED] Signed-off-by: Paul Holzinger <pholzing@redhat.com>
109 lines
2.7 KiB
Go
109 lines
2.7 KiB
Go
//go:build linux && !mips && !mipsle && !mips64 && !mips64le
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// +build linux,!mips,!mipsle,!mips64,!mips64le
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// Signal handling for Linux only.
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package signal
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// Copyright 2013-2018 Docker, Inc.
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// NOTE: this package has originally been copied from github.com/docker/docker.
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import (
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"os"
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"os/signal"
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"syscall"
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"golang.org/x/sys/unix"
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)
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const (
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sigrtmin = 34
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sigrtmax = 64
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SIGWINCH = syscall.SIGWINCH // For cross-compilation with Windows
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)
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// SignalMap is a map of Linux signals.
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var SignalMap = map[string]syscall.Signal{
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"ABRT": unix.SIGABRT,
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"ALRM": unix.SIGALRM,
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"BUS": unix.SIGBUS,
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"CHLD": unix.SIGCHLD,
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"CLD": unix.SIGCLD,
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"CONT": unix.SIGCONT,
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"FPE": unix.SIGFPE,
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"HUP": unix.SIGHUP,
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"ILL": unix.SIGILL,
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"INT": unix.SIGINT,
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"IO": unix.SIGIO,
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"IOT": unix.SIGIOT,
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"KILL": unix.SIGKILL,
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"PIPE": unix.SIGPIPE,
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"POLL": unix.SIGPOLL,
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"PROF": unix.SIGPROF,
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"PWR": unix.SIGPWR,
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"QUIT": unix.SIGQUIT,
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"SEGV": unix.SIGSEGV,
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"STKFLT": unix.SIGSTKFLT,
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"STOP": unix.SIGSTOP,
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"SYS": unix.SIGSYS,
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"TERM": unix.SIGTERM,
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"TRAP": unix.SIGTRAP,
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"TSTP": unix.SIGTSTP,
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"TTIN": unix.SIGTTIN,
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"TTOU": unix.SIGTTOU,
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"URG": unix.SIGURG,
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"USR1": unix.SIGUSR1,
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"USR2": unix.SIGUSR2,
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"VTALRM": unix.SIGVTALRM,
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"WINCH": unix.SIGWINCH,
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"XCPU": unix.SIGXCPU,
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"XFSZ": unix.SIGXFSZ,
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"RTMIN": sigrtmin,
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"RTMIN+1": sigrtmin + 1,
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"RTMIN+2": sigrtmin + 2,
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"RTMIN+3": sigrtmin + 3,
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"RTMIN+4": sigrtmin + 4,
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"RTMIN+5": sigrtmin + 5,
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"RTMIN+6": sigrtmin + 6,
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"RTMIN+7": sigrtmin + 7,
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"RTMIN+8": sigrtmin + 8,
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"RTMIN+9": sigrtmin + 9,
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"RTMIN+10": sigrtmin + 10,
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"RTMIN+11": sigrtmin + 11,
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"RTMIN+12": sigrtmin + 12,
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"RTMIN+13": sigrtmin + 13,
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"RTMIN+14": sigrtmin + 14,
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"RTMIN+15": sigrtmin + 15,
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"RTMAX-14": sigrtmax - 14,
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"RTMAX-13": sigrtmax - 13,
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"RTMAX-12": sigrtmax - 12,
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"RTMAX-11": sigrtmax - 11,
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"RTMAX-10": sigrtmax - 10,
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"RTMAX-9": sigrtmax - 9,
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"RTMAX-8": sigrtmax - 8,
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"RTMAX-7": sigrtmax - 7,
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"RTMAX-6": sigrtmax - 6,
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"RTMAX-5": sigrtmax - 5,
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"RTMAX-4": sigrtmax - 4,
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"RTMAX-3": sigrtmax - 3,
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"RTMAX-2": sigrtmax - 2,
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"RTMAX-1": sigrtmax - 1,
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"RTMAX": sigrtmax,
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}
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// CatchAll catches all signals and relays them to the specified channel.
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func CatchAll(sigc chan os.Signal) {
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handledSigs := make([]os.Signal, 0, len(SignalMap))
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for _, s := range SignalMap {
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handledSigs = append(handledSigs, s)
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}
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signal.Notify(sigc, handledSigs...)
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}
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// StopCatch stops catching the signals and closes the specified channel.
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func StopCatch(sigc chan os.Signal) {
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signal.Stop(sigc)
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close(sigc)
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}
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