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63 lines
1.9 KiB
63 lines
1.9 KiB
/*
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Copyright The containerd Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package containerd
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import (
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"fmt"
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"strconv"
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"strings"
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"syscall"
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"golang.org/x/sys/windows"
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)
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var signalMap = map[string]syscall.Signal{
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"HUP": syscall.Signal(windows.SIGHUP),
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"INT": syscall.Signal(windows.SIGINT),
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"QUIT": syscall.Signal(windows.SIGQUIT),
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"SIGILL": syscall.Signal(windows.SIGILL),
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"TRAP": syscall.Signal(windows.SIGTRAP),
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"ABRT": syscall.Signal(windows.SIGABRT),
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"BUS": syscall.Signal(windows.SIGBUS),
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"FPE": syscall.Signal(windows.SIGFPE),
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"KILL": syscall.Signal(windows.SIGKILL),
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"SEGV": syscall.Signal(windows.SIGSEGV),
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"PIPE": syscall.Signal(windows.SIGPIPE),
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"ALRM": syscall.Signal(windows.SIGALRM),
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"TERM": syscall.Signal(windows.SIGTERM),
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}
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// ParseSignal parses a given string into a syscall.Signal
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// the rawSignal can be a string with "SIG" prefix,
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// or a signal number in string format.
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func ParseSignal(rawSignal string) (syscall.Signal, error) {
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s, err := strconv.Atoi(rawSignal)
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if err == nil {
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sig := syscall.Signal(s)
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for _, msig := range signalMap {
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if sig == msig {
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return sig, nil
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}
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}
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return -1, fmt.Errorf("unknown signal %q", rawSignal)
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}
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signal, ok := signalMap[strings.TrimPrefix(strings.ToUpper(rawSignal), "SIG")]
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if !ok {
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return -1, fmt.Errorf("unknown signal %q", rawSignal)
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}
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return signal, nil
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}
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