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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:35:18 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:35:18 +0000 |
commit | b750101eb236130cf056c675997decbac904cc49 (patch) | |
tree | a5df1a06754bdd014cb975c051c83b01c9a97532 /src/shared/exit-status.h | |
parent | Initial commit. (diff) | |
download | systemd-upstream.tar.xz systemd-upstream.zip |
Adding upstream version 252.22.upstream/252.22upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/shared/exit-status.h | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/src/shared/exit-status.h b/src/shared/exit-status.h new file mode 100644 index 0000000..3f9a2ad --- /dev/null +++ b/src/shared/exit-status.h @@ -0,0 +1,112 @@ +/* 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); |