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-rw-r--r--src/shared/exit-status.h112
1 files changed, 112 insertions, 0 deletions
diff --git a/src/shared/exit-status.h b/src/shared/exit-status.h
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+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+#pragma once
+
+#include <stdbool.h>
+
+#include "bitmap.h"
+#include "hashmap.h"
+#include "macro.h"
+
+/* This defines pretty names for the LSB 'start' verb exit codes. Note that they shouldn't be confused with
+ * the LSB 'status' verb exit codes which are defined very differently. For details see:
+ *
+ * https://refspecs.linuxbase.org/LSB_5.0.0/LSB-Core-generic/LSB-Core-generic/iniscrptact.html
+ */
+
+enum {
+ /* EXIT_SUCCESS defined by libc */
+ /* EXIT_FAILURE defined by libc */
+ EXIT_INVALIDARGUMENT = 2,
+ EXIT_NOTIMPLEMENTED = 3,
+ EXIT_NOPERMISSION = 4,
+ EXIT_NOTINSTALLED = 5,
+ EXIT_NOTCONFIGURED = 6,
+ EXIT_NOTRUNNING = 7,
+
+ /* BSD's sysexits.h defines a couple EX_xyz exit codes in the range 64 … 78 */
+
+ /* The LSB suggests that error codes >= 200 are "reserved". We use them here under the assumption
+ * that they hence are unused by init scripts. */
+ EXIT_CHDIR = 200,
+ EXIT_NICE,
+ EXIT_FDS,
+ EXIT_EXEC,
+ EXIT_MEMORY,
+ EXIT_LIMITS,
+ EXIT_OOM_ADJUST,
+ EXIT_SIGNAL_MASK,
+ EXIT_STDIN,
+ EXIT_STDOUT,
+ EXIT_CHROOT, /* 210 */
+ EXIT_IOPRIO,
+ EXIT_TIMERSLACK,
+ EXIT_SECUREBITS,
+ EXIT_SETSCHEDULER,
+ EXIT_CPUAFFINITY,
+ EXIT_GROUP,
+ EXIT_USER,
+ EXIT_CAPABILITIES,
+ EXIT_CGROUP,
+ EXIT_SETSID, /* 220 */
+ EXIT_CONFIRM,
+ EXIT_STDERR,
+ _EXIT_RESERVED, /* used to be tcpwrap, don't reuse! */
+ EXIT_PAM,
+ EXIT_NETWORK,
+ EXIT_NAMESPACE,
+ EXIT_NO_NEW_PRIVILEGES,
+ EXIT_SECCOMP,
+ EXIT_SELINUX_CONTEXT,
+ EXIT_PERSONALITY, /* 230 */
+ EXIT_APPARMOR_PROFILE,
+ EXIT_ADDRESS_FAMILIES,
+ EXIT_RUNTIME_DIRECTORY,
+ _EXIT_RESERVED2, /* used to be used by kdbus, don't reuse */
+ EXIT_CHOWN,
+ EXIT_SMACK_PROCESS_LABEL,
+ EXIT_KEYRING,
+ EXIT_STATE_DIRECTORY,
+ EXIT_CACHE_DIRECTORY,
+ EXIT_LOGS_DIRECTORY, /* 240 */
+ EXIT_CONFIGURATION_DIRECTORY,
+ EXIT_NUMA_POLICY,
+ EXIT_CREDENTIALS,
+ EXIT_BPF,
+
+ EXIT_EXCEPTION = 255, /* Whenever we want to propagate an abnormal/signal exit, in line with bash */
+};
+
+typedef enum ExitStatusClass {
+ EXIT_STATUS_LIBC = 1 << 0, /* libc EXIT_STATUS/EXIT_FAILURE */
+ EXIT_STATUS_SYSTEMD = 1 << 1, /* systemd's own exit codes */
+ EXIT_STATUS_LSB = 1 << 2, /* LSB exit codes */
+ EXIT_STATUS_BSD = 1 << 3, /* BSD (EX_xyz) exit codes */
+ EXIT_STATUS_FULL = EXIT_STATUS_LIBC | EXIT_STATUS_SYSTEMD | EXIT_STATUS_LSB | EXIT_STATUS_BSD,
+} ExitStatusClass;
+
+typedef struct ExitStatusSet {
+ Bitmap status;
+ Bitmap signal;
+} ExitStatusSet;
+
+const char* exit_status_to_string(int code, ExitStatusClass class) _const_;
+const char* exit_status_class(int code) _const_;
+int exit_status_from_string(const char *s) _pure_;
+
+typedef struct ExitStatusMapping {
+ const char *name;
+ ExitStatusClass class;
+} ExitStatusMapping;
+
+extern const ExitStatusMapping exit_status_mappings[256];
+
+typedef enum ExitClean {
+ EXIT_CLEAN_DAEMON,
+ EXIT_CLEAN_COMMAND,
+} ExitClean;
+
+bool is_clean_exit(int code, int status, ExitClean clean, const ExitStatusSet *success_status);
+
+void exit_status_set_free(ExitStatusSet *x);
+bool exit_status_set_is_empty(const ExitStatusSet *x);
+bool exit_status_set_test(const ExitStatusSet *x, int code, int status);