shared/exit-status: turn status level into a bitmask, add "test"
The "test" doesn't really test much automatically, but it is still useful to look at the mappings.
This commit is contained in:
Zbigniew Jędrzejewski-Szmek
parent
eeba9cc3d7
commit
e1714f0250
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@ -3878,15 +3878,19 @@ int exec_spawn(Unit *unit,
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unit->manager->user_lookup_fds[1],
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&exit_status);
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if (r < 0)
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if (r < 0) {
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const char *status =
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exit_status_to_string(exit_status,
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EXIT_STATUS_GLIBC | EXIT_STATUS_SYSTEMD);
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log_struct_errno(LOG_ERR, r,
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"MESSAGE_ID=" SD_MESSAGE_SPAWN_FAILED_STR,
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LOG_UNIT_ID(unit),
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LOG_UNIT_INVOCATION_ID(unit),
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LOG_UNIT_MESSAGE(unit, "Failed at step %s spawning %s: %m",
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exit_status_to_string(exit_status, EXIT_STATUS_SYSTEMD),
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command->path),
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status, command->path),
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"EXECUTABLE=%s", command->path);
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}
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_exit(exit_status);
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}
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@ -221,16 +221,19 @@ _noreturn_ static void crash(int sig) {
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r = wait_for_terminate(pid, &status);
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if (r < 0)
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log_emergency_errno(r, "Caught <%s>, waitpid() failed: %m", signal_to_string(sig));
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else if (status.si_code != CLD_DUMPED)
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else if (status.si_code != CLD_DUMPED) {
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const char *s = status.si_code == CLD_EXITED
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? exit_status_to_string(status.si_status, EXIT_STATUS_GLIBC)
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: signal_to_string(status.si_status);
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log_emergency("Caught <%s>, core dump failed (child "PID_FMT", code=%s, status=%i/%s).",
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signal_to_string(sig),
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pid, sigchld_code_to_string(status.si_code),
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status.si_status,
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strna(status.si_code == CLD_EXITED
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? exit_status_to_string(status.si_status, EXIT_STATUS_MINIMAL)
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: signal_to_string(status.si_status)));
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else
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log_emergency("Caught <%s>, dumped core as pid "PID_FMT".", signal_to_string(sig), pid);
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pid,
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sigchld_code_to_string(status.si_code),
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status.si_status, strna(s));
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} else
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log_emergency("Caught <%s>, dumped core as pid "PID_FMT".",
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signal_to_string(sig), pid);
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}
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}
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@ -8,8 +8,7 @@
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#include "macro.h"
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#include "set.h"
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const char* exit_status_to_string(int status, ExitStatusLevel level) {
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const ExitStatusMapping exit_status_mappings[256] = {
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/* Exit status ranges:
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*
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* 0…1 │ ISO C, EXIT_SUCCESS + EXIT_FAILURE
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@ -25,224 +24,100 @@ const char* exit_status_to_string(int status, ExitStatusLevel level) {
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* │ signal or such, and we follow that logic here.)
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*/
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switch (status) { /* We always cover the ISO C ones */
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[EXIT_SUCCESS] = { "SUCCESS", EXIT_STATUS_GLIBC },
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[EXIT_FAILURE] = { "FAILURE", EXIT_STATUS_GLIBC },
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case EXIT_SUCCESS:
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return "SUCCESS";
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[EXIT_CHDIR] = { "CHDIR", EXIT_STATUS_SYSTEMD },
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[EXIT_NICE] = { "NICE", EXIT_STATUS_SYSTEMD },
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[EXIT_FDS] = { "FDS", EXIT_STATUS_SYSTEMD },
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[EXIT_EXEC] = { "EXEC", EXIT_STATUS_SYSTEMD },
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[EXIT_MEMORY] = { "MEMORY", EXIT_STATUS_SYSTEMD },
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[EXIT_LIMITS] = { "LIMITS", EXIT_STATUS_SYSTEMD },
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[EXIT_OOM_ADJUST] = { "OOM_ADJUST", EXIT_STATUS_SYSTEMD },
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[EXIT_SIGNAL_MASK] = { "SIGNAL_MASK", EXIT_STATUS_SYSTEMD },
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[EXIT_STDIN] = { "STDIN", EXIT_STATUS_SYSTEMD },
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[EXIT_STDOUT] = { "STDOUT", EXIT_STATUS_SYSTEMD },
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[EXIT_CHROOT] = { "CHROOT", EXIT_STATUS_SYSTEMD },
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[EXIT_IOPRIO] = { "IOPRIO", EXIT_STATUS_SYSTEMD },
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[EXIT_TIMERSLACK] = { "TIMERSLACK", EXIT_STATUS_SYSTEMD },
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[EXIT_SECUREBITS] = { "SECUREBITS", EXIT_STATUS_SYSTEMD },
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[EXIT_SETSCHEDULER] = { "SETSCHEDULER", EXIT_STATUS_SYSTEMD },
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[EXIT_CPUAFFINITY] = { "CPUAFFINITY", EXIT_STATUS_SYSTEMD },
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[EXIT_GROUP] = { "GROUP", EXIT_STATUS_SYSTEMD },
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[EXIT_USER] = { "USER", EXIT_STATUS_SYSTEMD },
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[EXIT_CAPABILITIES] = { "CAPABILITIES", EXIT_STATUS_SYSTEMD },
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[EXIT_CGROUP] = { "CGROUP", EXIT_STATUS_SYSTEMD },
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[EXIT_SETSID] = { "SETSID", EXIT_STATUS_SYSTEMD },
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[EXIT_CONFIRM] = { "CONFIRM", EXIT_STATUS_SYSTEMD },
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[EXIT_STDERR] = { "STDERR", EXIT_STATUS_SYSTEMD },
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[EXIT_PAM] = { "PAM", EXIT_STATUS_SYSTEMD },
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[EXIT_NETWORK] = { "NETWORK", EXIT_STATUS_SYSTEMD },
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[EXIT_NAMESPACE] = { "NAMESPACE", EXIT_STATUS_SYSTEMD },
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[EXIT_NO_NEW_PRIVILEGES] = { "NO_NEW_PRIVILEGES", EXIT_STATUS_SYSTEMD },
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[EXIT_SECCOMP] = { "SECCOMP", EXIT_STATUS_SYSTEMD },
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[EXIT_SELINUX_CONTEXT] = { "SELINUX_CONTEXT", EXIT_STATUS_SYSTEMD },
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[EXIT_PERSONALITY] = { "PERSONALITY", EXIT_STATUS_SYSTEMD },
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[EXIT_APPARMOR_PROFILE] = { "APPARMOR", EXIT_STATUS_SYSTEMD },
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[EXIT_ADDRESS_FAMILIES] = { "ADDRESS_FAMILIES", EXIT_STATUS_SYSTEMD },
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[EXIT_RUNTIME_DIRECTORY] = { "RUNTIME_DIRECTORY", EXIT_STATUS_SYSTEMD },
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[EXIT_CHOWN] = { "CHOWN", EXIT_STATUS_SYSTEMD },
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[EXIT_SMACK_PROCESS_LABEL] = { "SMACK_PROCESS_LABEL", EXIT_STATUS_SYSTEMD },
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[EXIT_KEYRING] = { "KEYRING", EXIT_STATUS_SYSTEMD },
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[EXIT_STATE_DIRECTORY] = { "STATE_DIRECTORY", EXIT_STATUS_SYSTEMD },
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[EXIT_CACHE_DIRECTORY] = { "CACHE_DIRECTORY", EXIT_STATUS_SYSTEMD },
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[EXIT_LOGS_DIRECTORY] = { "LOGS_DIRECTORY", EXIT_STATUS_SYSTEMD },
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[EXIT_CONFIGURATION_DIRECTORY] = { "CONFIGURATION_DIRECTORY", EXIT_STATUS_SYSTEMD },
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[EXIT_NUMA_POLICY] = { "NUMA_POLICY", EXIT_STATUS_SYSTEMD },
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[EXIT_EXCEPTION] = { "EXCEPTION", EXIT_STATUS_SYSTEMD },
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case EXIT_FAILURE:
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return "FAILURE";
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[EXIT_INVALIDARGUMENT] = { "INVALIDARGUMENT", EXIT_STATUS_LSB },
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[EXIT_NOTIMPLEMENTED] = { "NOTIMPLEMENTED", EXIT_STATUS_LSB },
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[EXIT_NOPERMISSION] = { "NOPERMISSION", EXIT_STATUS_LSB },
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[EXIT_NOTINSTALLED] = { "NOTINSTALLED", EXIT_STATUS_LSB },
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[EXIT_NOTCONFIGURED] = { "NOTCONFIGURED", EXIT_STATUS_LSB },
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[EXIT_NOTRUNNING] = { "NOTRUNNING", EXIT_STATUS_LSB },
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[EX_USAGE] = { "USAGE", EXIT_STATUS_BSD },
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[EX_DATAERR] = { "DATAERR", EXIT_STATUS_BSD },
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[EX_NOINPUT] = { "NOINPUT", EXIT_STATUS_BSD },
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[EX_NOUSER] = { "NOUSER", EXIT_STATUS_BSD },
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[EX_NOHOST] = { "NOHOST", EXIT_STATUS_BSD },
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[EX_UNAVAILABLE] = { "UNAVAILABLE", EXIT_STATUS_BSD },
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[EX_SOFTWARE] = { "SOFTWARE", EXIT_STATUS_BSD },
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[EX_OSERR] = { "OSERR", EXIT_STATUS_BSD },
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[EX_OSFILE] = { "OSFILE", EXIT_STATUS_BSD },
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[EX_CANTCREAT] = { "CANTCREAT", EXIT_STATUS_BSD },
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[EX_IOERR] = { "IOERR", EXIT_STATUS_BSD },
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[EX_TEMPFAIL] = { "TEMPFAIL", EXIT_STATUS_BSD },
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[EX_PROTOCOL] = { "PROTOCOL", EXIT_STATUS_BSD },
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[EX_NOPERM] = { "NOPERM", EXIT_STATUS_BSD },
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[EX_CONFIG] = { "CONFIG", EXIT_STATUS_BSD },
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};
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const char* exit_status_to_string(int code, ExitStatusClass class) {
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if (code < 0 || (size_t) code >= ELEMENTSOF(exit_status_mappings))
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return NULL;
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return FLAGS_SET(exit_status_mappings[code].class, class) ? exit_status_mappings[code].name : NULL;
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}
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const char* exit_status_class(int code) {
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if (code < 0 || (size_t) code >= ELEMENTSOF(exit_status_mappings))
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return NULL;
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switch (exit_status_mappings[code].class) {
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case EXIT_STATUS_GLIBC:
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return "glibc";
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case EXIT_STATUS_SYSTEMD:
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return "systemd";
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case EXIT_STATUS_LSB:
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return "LSB";
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case EXIT_STATUS_BSD:
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return "BSD";
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default: return NULL;
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}
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if (IN_SET(level, EXIT_STATUS_SYSTEMD, EXIT_STATUS_LSB, EXIT_STATUS_FULL)) {
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switch (status) { /* Optionally we cover our own ones */
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case EXIT_CHDIR:
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return "CHDIR";
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case EXIT_NICE:
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return "NICE";
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case EXIT_FDS:
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return "FDS";
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case EXIT_EXEC:
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return "EXEC";
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case EXIT_MEMORY:
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return "MEMORY";
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case EXIT_LIMITS:
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return "LIMITS";
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case EXIT_OOM_ADJUST:
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return "OOM_ADJUST";
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case EXIT_SIGNAL_MASK:
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return "SIGNAL_MASK";
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case EXIT_STDIN:
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return "STDIN";
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case EXIT_STDOUT:
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return "STDOUT";
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case EXIT_CHROOT:
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return "CHROOT";
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case EXIT_IOPRIO:
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return "IOPRIO";
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case EXIT_TIMERSLACK:
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return "TIMERSLACK";
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case EXIT_SECUREBITS:
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return "SECUREBITS";
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case EXIT_SETSCHEDULER:
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return "SETSCHEDULER";
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case EXIT_CPUAFFINITY:
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return "CPUAFFINITY";
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case EXIT_GROUP:
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return "GROUP";
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case EXIT_USER:
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return "USER";
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case EXIT_CAPABILITIES:
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return "CAPABILITIES";
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case EXIT_CGROUP:
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return "CGROUP";
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case EXIT_SETSID:
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return "SETSID";
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case EXIT_CONFIRM:
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return "CONFIRM";
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case EXIT_STDERR:
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return "STDERR";
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case EXIT_PAM:
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return "PAM";
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case EXIT_NETWORK:
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return "NETWORK";
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case EXIT_NAMESPACE:
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return "NAMESPACE";
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case EXIT_NO_NEW_PRIVILEGES:
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return "NO_NEW_PRIVILEGES";
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case EXIT_SECCOMP:
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return "SECCOMP";
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case EXIT_SELINUX_CONTEXT:
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return "SELINUX_CONTEXT";
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case EXIT_PERSONALITY:
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return "PERSONALITY";
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case EXIT_APPARMOR_PROFILE:
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return "APPARMOR";
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case EXIT_ADDRESS_FAMILIES:
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return "ADDRESS_FAMILIES";
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case EXIT_RUNTIME_DIRECTORY:
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return "RUNTIME_DIRECTORY";
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case EXIT_CHOWN:
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return "CHOWN";
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case EXIT_SMACK_PROCESS_LABEL:
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return "SMACK_PROCESS_LABEL";
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case EXIT_KEYRING:
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return "KEYRING";
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case EXIT_STATE_DIRECTORY:
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return "STATE_DIRECTORY";
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case EXIT_CACHE_DIRECTORY:
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return "CACHE_DIRECTORY";
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case EXIT_LOGS_DIRECTORY:
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return "LOGS_DIRECTORY";
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case EXIT_CONFIGURATION_DIRECTORY:
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return "CONFIGURATION_DIRECTORY";
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case EXIT_NUMA_POLICY:
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return "NUMA_POLICY";
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case EXIT_EXCEPTION:
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return "EXCEPTION";
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}
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}
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if (IN_SET(level, EXIT_STATUS_LSB, EXIT_STATUS_FULL)) {
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switch (status) { /* Optionally we support LSB ones */
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case EXIT_INVALIDARGUMENT:
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return "INVALIDARGUMENT";
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case EXIT_NOTIMPLEMENTED:
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return "NOTIMPLEMENTED";
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case EXIT_NOPERMISSION:
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return "NOPERMISSION";
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case EXIT_NOTINSTALLED:
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return "NOTINSTALLED";
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case EXIT_NOTCONFIGURED:
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return "NOTCONFIGURED";
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case EXIT_NOTRUNNING:
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return "NOTRUNNING";
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}
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}
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if (level == EXIT_STATUS_FULL) {
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switch (status) { /* Optionally, we support BSD exit statusses */
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case EX_USAGE:
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return "USAGE";
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case EX_DATAERR:
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return "DATAERR";
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case EX_NOINPUT:
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return "NOINPUT";
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case EX_NOUSER:
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return "NOUSER";
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case EX_NOHOST:
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return "NOHOST";
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case EX_UNAVAILABLE:
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return "UNAVAILABLE";
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case EX_SOFTWARE:
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return "SOFTWARE";
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case EX_OSERR:
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return "OSERR";
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case EX_OSFILE:
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return "OSFILE";
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case EX_CANTCREAT:
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return "CANTCREAT";
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case EX_IOERR:
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return "IOERR";
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case EX_TEMPFAIL:
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return "TEMPFAIL";
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case EX_PROTOCOL:
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return "PROTOCOL";
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case EX_NOPERM:
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return "NOPERM";
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case EX_CONFIG:
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return "CONFIG";
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}
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}
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return NULL;
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}
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bool is_clean_exit(int code, int status, ExitClean clean, ExitStatusSet *success_status) {
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if (code == CLD_EXITED)
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return status == 0 ||
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(success_status &&
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@ -7,8 +7,8 @@
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#include "macro.h"
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#include "set.h"
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/* This defines pretty names for the LSB 'start' verb exit codes. Note that they shouldn't be confused with the LSB
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* 'status' verb exit codes which are defined very differently. For details see:
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/* This defines pretty names for the LSB 'start' verb exit codes. Note that they shouldn't be confused with
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* the LSB 'status' verb exit codes which are defined very differently. For details see:
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*
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* https://refspecs.linuxbase.org/LSB_5.0.0/LSB-Core-generic/LSB-Core-generic/iniscrptact.html
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*/
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@ -25,8 +25,8 @@ enum {
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/* BSD's sysexits.h defines a couple EX_xyz exit codes in the range 64 … 78 */
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/* The LSB suggests that error codes >= 200 are "reserved". We use them here under the assumption that they
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* hence are unused by init scripts. */
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/* The LSB suggests that error codes >= 200 are "reserved". We use them here under the assumption
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* that they hence are unused by init scripts. */
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EXIT_CHDIR = 200,
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EXIT_NICE,
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EXIT_FDS,
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@ -74,19 +74,28 @@ enum {
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EXIT_EXCEPTION = 255, /* Whenever we want to propagate an abnormal/signal exit, in line with bash */
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};
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typedef enum ExitStatusLevel {
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EXIT_STATUS_MINIMAL, /* only cover libc EXIT_STATUS/EXIT_FAILURE */
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EXIT_STATUS_SYSTEMD, /* cover libc and systemd's own exit codes */
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EXIT_STATUS_LSB, /* cover libc, systemd's own and LSB exit codes */
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EXIT_STATUS_FULL, /* cover libc, systemd's own, LSB and BSD (EX_xyz) exit codes */
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} ExitStatusLevel;
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typedef enum ExitStatusClass {
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EXIT_STATUS_GLIBC = 1 << 0, /* libc EXIT_STATUS/EXIT_FAILURE */
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EXIT_STATUS_SYSTEMD = 1 << 1, /* systemd's own exit codes */
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EXIT_STATUS_LSB = 1 << 2, /* LSB exit codes */
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EXIT_STATUS_BSD = 1 << 3, /* BSD (EX_xyz) exit codes */
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EXIT_STATUS_FULL = EXIT_STATUS_GLIBC | EXIT_STATUS_SYSTEMD | EXIT_STATUS_LSB | EXIT_STATUS_BSD,
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} ExitStatusClass;
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typedef struct ExitStatusSet {
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Set *status;
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Set *signal;
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} ExitStatusSet;
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const char* exit_status_to_string(int status, ExitStatusLevel level) _const_;
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const char* exit_status_to_string(int code, ExitStatusClass class) _const_;
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const char* exit_status_class(int code) _const_;
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typedef struct ExitStatusMapping {
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const char *name;
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ExitStatusClass class;
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} ExitStatusMapping;
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extern const ExitStatusMapping exit_status_mappings[256];
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typedef enum ExitClean {
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EXIT_CLEAN_DAEMON,
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|
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|
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@ -4380,7 +4380,7 @@ static void print_status_info(
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printf("status=%i", p->status);
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|
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c = exit_status_to_string(p->status, EXIT_STATUS_SYSTEMD);
|
||||
c = exit_status_to_string(p->status, EXIT_STATUS_GLIBC | EXIT_STATUS_SYSTEMD);
|
||||
if (c)
|
||||
printf("/%s", c);
|
||||
|
||||
|
|
@ -4421,7 +4421,8 @@ static void print_status_info(
|
|||
|
||||
printf("status=%i", i->exit_status);
|
||||
|
||||
c = exit_status_to_string(i->exit_status, EXIT_STATUS_SYSTEMD);
|
||||
c = exit_status_to_string(i->exit_status,
|
||||
EXIT_STATUS_GLIBC | EXIT_STATUS_SYSTEMD);
|
||||
if (c)
|
||||
printf("/%s", c);
|
||||
|
||||
|
|
|
|||
|
|
@ -305,6 +305,10 @@ tests += [
|
|||
[],
|
||||
[]],
|
||||
|
||||
[['src/test/test-exit-status.c'],
|
||||
[],
|
||||
[]],
|
||||
|
||||
[['src/test/test-specifier.c'],
|
||||
[],
|
||||
[]],
|
||||
|
|
|
|||
26
src/test/test-exit-status.c
Normal file
26
src/test/test-exit-status.c
Normal file
|
|
@ -0,0 +1,26 @@
|
|||
/* SPDX-License-Identifier: LGPL-2.1+ */
|
||||
|
||||
#include "exit-status.h"
|
||||
#include "tests.h"
|
||||
|
||||
static void test_exit_status_to_string(void) {
|
||||
log_info("/* %s */", __func__);
|
||||
|
||||
for (int i = -1; i <= 256; i++) {
|
||||
const char *s, *class;
|
||||
|
||||
s = exit_status_to_string(i, EXIT_STATUS_FULL);
|
||||
class = exit_status_class(i);
|
||||
log_info("%d: %s%s%s%s",
|
||||
i, s ?: "-",
|
||||
class ? " (" : "", class ?: "", class ? ")" : "");
|
||||
}
|
||||
}
|
||||
|
||||
int main(int argc, char *argv[]) {
|
||||
test_setup_logging(LOG_DEBUG);
|
||||
|
||||
test_exit_status_to_string();
|
||||
|
||||
return 0;
|
||||
}
|
||||
Loading…
Reference in a new issue