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Diffstat (limited to 'src/libbasic/exit-status.c')
| -rw-r--r-- | src/libbasic/exit-status.c | 243 |
1 files changed, 243 insertions, 0 deletions
diff --git a/src/libbasic/exit-status.c b/src/libbasic/exit-status.c new file mode 100644 index 0000000000..5e0bc415c8 --- /dev/null +++ b/src/libbasic/exit-status.c @@ -0,0 +1,243 @@ +/*** + This file is part of systemd. + + Copyright 2010 Lennart Poettering + + systemd is free software; you can redistribute it and/or modify it + under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation; either version 2.1 of the License, or + (at your option) any later version. + + systemd is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with systemd; If not, see <http://www.gnu.org/licenses/>. +***/ + +#include <signal.h> +#include <stdlib.h> + +#include "exit-status.h" +#include "macro.h" +#include "set.h" + +const char* exit_status_to_string(ExitStatus status, ExitStatusLevel level) { + + /* We cast to int here, so that -Wenum doesn't complain that + * EXIT_SUCCESS/EXIT_FAILURE aren't in the enum */ + + switch ((int) status) { + + case EXIT_SUCCESS: + return "SUCCESS"; + + case EXIT_FAILURE: + return "FAILURE"; + } + + + if (level == EXIT_STATUS_SYSTEMD || level == EXIT_STATUS_LSB) { + switch ((int) status) { + + case EXIT_CHDIR: + return "CHDIR"; + + case EXIT_NICE: + return "NICE"; + + case EXIT_FDS: + return "FDS"; + + case EXIT_EXEC: + return "EXEC"; + + case EXIT_MEMORY: + return "MEMORY"; + + case EXIT_LIMITS: + return "LIMITS"; + + case EXIT_OOM_ADJUST: + return "OOM_ADJUST"; + + case EXIT_SIGNAL_MASK: + return "SIGNAL_MASK"; + + case EXIT_STDIN: + return "STDIN"; + + case EXIT_STDOUT: + return "STDOUT"; + + case EXIT_CHROOT: + return "CHROOT"; + + case EXIT_IOPRIO: + return "IOPRIO"; + + case EXIT_TIMERSLACK: + return "TIMERSLACK"; + + case EXIT_SECUREBITS: + return "SECUREBITS"; + + case EXIT_SETSCHEDULER: + return "SETSCHEDULER"; + + case EXIT_CPUAFFINITY: + return "CPUAFFINITY"; + + case EXIT_GROUP: + return "GROUP"; + + case EXIT_USER: + return "USER"; + + case EXIT_CAPABILITIES: + return "CAPABILITIES"; + + case EXIT_CGROUP: + return "CGROUP"; + + case EXIT_SETSID: + return "SETSID"; + + case EXIT_CONFIRM: + return "CONFIRM"; + + case EXIT_STDERR: + return "STDERR"; + + case EXIT_PAM: + return "PAM"; + + case EXIT_NETWORK: + return "NETWORK"; + + case EXIT_NAMESPACE: + return "NAMESPACE"; + + case EXIT_NO_NEW_PRIVILEGES: + return "NO_NEW_PRIVILEGES"; + + case EXIT_SECCOMP: + return "SECCOMP"; + + case EXIT_SELINUX_CONTEXT: + return "SELINUX_CONTEXT"; + + case EXIT_PERSONALITY: + return "PERSONALITY"; + + case EXIT_APPARMOR_PROFILE: + return "APPARMOR"; + + case EXIT_ADDRESS_FAMILIES: + return "ADDRESS_FAMILIES"; + + case EXIT_RUNTIME_DIRECTORY: + return "RUNTIME_DIRECTORY"; + + case EXIT_CHOWN: + return "CHOWN"; + + case EXIT_MAKE_STARTER: + return "MAKE_STARTER"; + + case EXIT_BUS_ENDPOINT: + return "BUS_ENDPOINT"; + + case EXIT_SMACK_PROCESS_LABEL: + return "SMACK_PROCESS_LABEL"; + } + } + + if (level == EXIT_STATUS_LSB) { + switch ((int) status) { + + case EXIT_INVALIDARGUMENT: + return "INVALIDARGUMENT"; + + case EXIT_NOTIMPLEMENTED: + return "NOTIMPLEMENTED"; + + case EXIT_NOPERMISSION: + return "NOPERMISSION"; + + case EXIT_NOTINSTALLED: + return "NOTINSTALLED"; + + case EXIT_NOTCONFIGURED: + return "NOTCONFIGURED"; + + case EXIT_NOTRUNNING: + return "NOTRUNNING"; + } + } + + return NULL; +} + + +bool is_clean_exit(int code, int status, ExitStatusSet *success_status) { + + if (code == CLD_EXITED) + return status == 0 || + (success_status && + set_contains(success_status->status, INT_TO_PTR(status))); + + /* If a daemon does not implement handlers for some of the + * signals that's not considered an unclean shutdown */ + if (code == CLD_KILLED) + return + status == SIGHUP || + status == SIGINT || + status == SIGTERM || + status == SIGPIPE || + (success_status && + set_contains(success_status->signal, INT_TO_PTR(status))); + + return false; +} + +bool is_clean_exit_lsb(int code, int status, ExitStatusSet *success_status) { + + if (is_clean_exit(code, status, success_status)) + return true; + + return + code == CLD_EXITED && + (status == EXIT_NOTINSTALLED || status == EXIT_NOTCONFIGURED); +} + +void exit_status_set_free(ExitStatusSet *x) { + assert(x); + + set_free(x->status); + set_free(x->signal); + x->status = x->signal = NULL; +} + +bool exit_status_set_is_empty(ExitStatusSet *x) { + if (!x) + return true; + + return set_isempty(x->status) && set_isempty(x->signal); +} + +bool exit_status_set_test(ExitStatusSet *x, int code, int status) { + + if (exit_status_set_is_empty(x)) + return false; + + if (code == CLD_EXITED && set_contains(x->status, INT_TO_PTR(status))) + return true; + + if (IN_SET(code, CLD_KILLED, CLD_DUMPED) && set_contains(x->signal, INT_TO_PTR(status))) + return true; + + return false; +} |