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-rw-r--r--sd_daemon/exit-status.go90
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diff --git a/sd_daemon/exit-status.go b/sd_daemon/exit-status.go
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+// Copyright 2015-2016 Luke Shumaker
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package sd_daemon
+
+import (
+ "fmt"
+ "os"
+)
+
+// systemd daemon(7) recommends using the exit codes defined in the
+// "LSB recomendations for SysV init scripts"[1].
+//
+// [1]: http://refspecs.linuxbase.org/LSB_3.1.1/LSB-Core-generic/LSB-Core-generic/iniscrptact.html
+const (
+ EXIT_SUCCESS uint8 = 0
+ EXIT_FAILURE uint8 = 1
+ EXIT_INVALIDARGUMENT uint8 = 2
+ EXIT_NOTIMPLEMENTED uint8 = 3
+ EXIT_NOPERMISSION uint8 = 4
+ EXIT_NOTINSTALLED uint8 = 5
+ EXIT_NOTCONFIGURED uint8 = 6
+ EXIT_NOTRUNNING uint8 = 7
+ // 8- 99 are reserved for future LSB use
+ // 100-149 are reserved for distribution use
+ // 150-199 are reserved for application use
+ // 200-254 are reserved for init system use
+ //
+ // Therefore, the following are taken from systemd's
+ // `src/basic/exit-status.h`
+ EXIT_CHDIR uint8 = 200
+ EXIT_NICE uint8 = 201
+ EXIT_FDS uint8 = 202
+ EXIT_EXEC uint8 = 203
+ EXIT_MEMORY uint8 = 204
+ EXIT_LIMITS uint8 = 205
+ EXIT_OOM_ADJUST uint8 = 206
+ EXIT_SIGNAL_MASK uint8 = 207
+ EXIT_STDIN uint8 = 208
+ EXIT_STDOUT uint8 = 209
+ EXIT_CHROOT uint8 = 210
+ EXIT_IOPRIO uint8 = 211
+ EXIT_TIMERSLACK uint8 = 212
+ EXIT_SECUREBITS uint8 = 213
+ EXIT_SETSCHEDULER uint8 = 214
+ EXIT_CPUAFFINITY uint8 = 215
+ EXIT_GROUP uint8 = 216
+ EXIT_USER uint8 = 217
+ EXIT_CAPABILITIES uint8 = 218
+ EXIT_CGROUP uint8 = 219
+ EXIT_SETSID uint8 = 220
+ EXIT_CONFIRM uint8 = 221
+ EXIT_STDERR uint8 = 222
+ _EXIT_RESERVED uint8 = 223 // used to be tcpwrap don't reuse!
+ EXIT_PAM uint8 = 224
+ EXIT_NETWORK uint8 = 225
+ EXIT_NAMESPACE uint8 = 226
+ EXIT_NO_NEW_PRIVILEGES uint8 = 227
+ EXIT_SECCOMP uint8 = 228
+ EXIT_SELINUX_CONTEXT uint8 = 229
+ EXIT_PERSONALITY uint8 = 230
+ EXIT_APPARMOR_PROFILE uint8 = 231
+ EXIT_ADDRESS_FAMILIES uint8 = 232
+ EXIT_RUNTIME_DIRECTORY uint8 = 233
+ EXIT_MAKE_STARTER uint8 = 234
+ EXIT_CHOWN uint8 = 235
+ EXIT_BUS_ENDPOINT uint8 = 236
+ EXIT_SMACK_PROCESS_LABEL uint8 = 237
+)
+
+// Recover is a utility function to defer at the beginning of a
+// goroutine in order to have the correct exit code in the case of a
+// panic.
+func Recover() {
+ if r := recover(); r != nil {
+ Log.Err(fmt.Sprintf("panic: %v", r))
+ os.Exit(int(EXIT_FAILURE))
+ }
+}