X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fmanager.c;h=27c8aa4c962e215f413f51afbbf7019e469131ce;hp=9684efac8b1cc3c2e4baa98b4aed133fa8f8ce2b;hb=ad6ab0af1ed38e342aeeae1c5f7c1503fab11935;hpb=e364ad0628b5930a671ae5be863b960f4bd748a8 diff --git a/src/manager.c b/src/manager.c index 9684efac8..27c8aa4c9 100644 --- a/src/manager.c +++ b/src/manager.c @@ -1,4 +1,4 @@ -/*-*- Mode: C; c-basic-offset: 8 -*-*/ +/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ /*** This file is part of systemd. @@ -57,6 +57,7 @@ #include "path-lookup.h" #include "special.h" #include "bus-errors.h" +#include "exit-status.h" /* As soon as 16 units are in our GC queue, make sure to run a gc sweep */ #define GC_QUEUE_ENTRIES_MAX 16 @@ -111,6 +112,8 @@ static int manager_setup_notify(Manager *m) { if (!(m->notify_socket = strdup(sa.un.sun_path+1))) return -ENOMEM; + log_debug("Using notification socket %s", m->notify_socket); + return 0; } @@ -446,6 +449,7 @@ void manager_free(Manager *m) { #endif free(m->notify_socket); + free(m->console); lookup_paths_free(&m->lookup_paths); strv_free(m->environment); @@ -978,14 +982,14 @@ static int transaction_verify_order_one(Manager *m, Job *j, Job *from, unsigned if (delete) { - log_warning("Breaking ordering cycle by deleting job %s/%s", k->unit->meta.id, job_type_to_string(k->type)); + log_warning("Breaking ordering cycle by deleting job %s/%s", delete->unit->meta.id, job_type_to_string(delete->type)); transaction_delete_unit(m, delete->unit); return -EAGAIN; } log_error("Unable to break cycle"); - dbus_set_error(e, BUS_ERROR_TRANSACTION_ORDER_IS_CYCLIC, "Transaction order is cyclic. See logs for details."); + dbus_set_error(e, BUS_ERROR_TRANSACTION_ORDER_IS_CYCLIC, "Transaction order is cyclic. See system logs for details."); return -ENOEXEC; } @@ -1222,7 +1226,8 @@ static int transaction_activate(Manager *m, JobMode mode, DBusError *e) { /* Second step: Try not to stop any running services if * we don't have to. Don't try to reverse running * jobs if we don't have to. */ - transaction_minimize_impact(m); + if (mode != JOB_ISOLATE) + transaction_minimize_impact(m); /* Third step: Drop redundant jobs */ transaction_drop_redundant(m); @@ -1392,9 +1397,15 @@ static int transaction_add_job_and_dependencies( assert(type < _JOB_TYPE_MAX); assert(unit); - if (type != JOB_STOP && - unit->meta.load_state != UNIT_LOADED) { - dbus_set_error(e, BUS_ERROR_LOAD_FAILED, "Unit %s failed to load. See logs for details.", unit->meta.id); + if (unit->meta.load_state != UNIT_LOADED && unit->meta.load_state != UNIT_ERROR) { + dbus_set_error(e, BUS_ERROR_LOAD_FAILED, "Unit %s is not loaded properly.", unit->meta.id); + return -EINVAL; + } + + if (type != JOB_STOP && unit->meta.load_state == UNIT_ERROR) { + dbus_set_error(e, BUS_ERROR_LOAD_FAILED, "Unit %s failed to load: %s. You might find more information in the system logs.", + unit->meta.id, + strerror(-unit->meta.load_error)); return -EINVAL; } @@ -1421,13 +1432,17 @@ static int transaction_add_job_and_dependencies( SET_FOREACH(dep, ret->unit->meta.dependencies[UNIT_REQUIRES_OVERRIDABLE], i) if ((r = transaction_add_job_and_dependencies(m, JOB_START, dep, ret, !override, override, false, e, NULL)) < 0 && r != -EBADR) { log_warning("Cannot add dependency job for unit %s, ignoring: %s", dep->meta.id, bus_error(e, r)); - dbus_error_free(e); + + if (e) + dbus_error_free(e); } SET_FOREACH(dep, ret->unit->meta.dependencies[UNIT_WANTS], i) if ((r = transaction_add_job_and_dependencies(m, JOB_START, dep, ret, false, false, false, e, NULL)) < 0) { log_warning("Cannot add dependency job for unit %s, ignoring: %s", dep->meta.id, bus_error(e, r)); - dbus_error_free(e); + + if (e) + dbus_error_free(e); } SET_FOREACH(dep, ret->unit->meta.dependencies[UNIT_REQUISITE], i) @@ -1437,7 +1452,9 @@ static int transaction_add_job_and_dependencies( SET_FOREACH(dep, ret->unit->meta.dependencies[UNIT_REQUISITE_OVERRIDABLE], i) if ((r = transaction_add_job_and_dependencies(m, JOB_VERIFY_ACTIVE, dep, ret, !override, override, false, e, NULL)) < 0 && r != -EBADR) { log_warning("Cannot add dependency job for unit %s, ignoring: %s", dep->meta.id, bus_error(e, r)); - dbus_error_free(e); + + if (e) + dbus_error_free(e); } SET_FOREACH(dep, ret->unit->meta.dependencies[UNIT_CONFLICTS], i) @@ -1485,7 +1502,7 @@ static int transaction_add_isolate_jobs(Manager *m) { continue; /* No need to stop inactive jobs */ - if (UNIT_IS_INACTIVE_OR_MAINTENANCE(unit_active_state(u))) + if (UNIT_IS_INACTIVE_OR_FAILED(unit_active_state(u))) continue; /* Is there already something listed for this? */ @@ -1513,7 +1530,12 @@ int manager_add_job(Manager *m, JobType type, Unit *unit, JobMode mode, bool ove return -EINVAL; } - log_debug("Trying to enqueue job %s/%s", unit->meta.id, job_type_to_string(type)); + if (mode == JOB_ISOLATE && !unit->meta.allow_isolate) { + dbus_set_error(e, BUS_ERROR_NO_ISOLATION, "Operation refused, unit may not be isolated."); + return -EPERM; + } + + log_debug("Trying to enqueue job %s/%s/%s", unit->meta.id, job_type_to_string(type), job_mode_to_string(mode)); if ((r = transaction_add_job_and_dependencies(m, type, unit, NULL, true, override, false, e, &ret)) < 0) { transaction_abort(m); @@ -1780,7 +1802,7 @@ static int manager_process_notify_fd(Manager *m) { if (n >= 0) return -EIO; - if (errno == EAGAIN) + if (errno == EAGAIN || errno == EINTR) break; return -errno; @@ -1879,7 +1901,9 @@ static int manager_dispatch_sigchld(Manager *m) { (long unsigned) si.si_pid, sigchld_code_to_string(si.si_code), si.si_status, - strna(si.si_code == CLD_EXITED ? exit_status_to_string(si.si_status) : signal_to_string(si.si_status))); + strna(si.si_code == CLD_EXITED + ? exit_status_to_string(si.si_status, EXIT_STATUS_FULL) + : signal_to_string(si.si_status))); if (!u) continue; @@ -1922,7 +1946,7 @@ static int manager_process_signal_fd(Manager *m) { if (n >= 0) return -EIO; - if (errno == EAGAIN) + if (errno == EINTR || errno == EAGAIN) break; return -errno; @@ -2254,6 +2278,11 @@ void manager_send_unit_audit(Manager *m, Unit *u, int type, bool success) { if (m->audit_fd < 0) return; + /* Don't generate audit events if the service was already + * started and we're just deserializing */ + if (m->n_deserializing > 0) + return; + if (!(p = unit_name_to_prefix_and_instance(u->meta.id))) { log_error("Failed to allocate unit name for audit message: %s", strerror(ENOMEM)); return; @@ -2529,14 +2558,43 @@ bool manager_is_booting_or_shutting_down(Manager *m) { return false; } -void manager_reset_maintenance(Manager *m) { +void manager_reset_failed(Manager *m) { Unit *u; Iterator i; assert(m); HASHMAP_FOREACH(u, m->units, i) - unit_reset_maintenance(u); + unit_reset_failed(u); +} + +int manager_set_console(Manager *m, const char *console) { + char *c; + + assert(m); + + if (!(c = strdup(console))) + return -ENOMEM; + + free(m->console); + m->console = c; + + log_debug("Using kernel console %s", c); + + return 0; +} + +bool manager_unit_pending_inactive(Manager *m, const char *name) { + Unit *u; + + assert(m); + assert(name); + + /* Returns true if the unit is inactive or going down */ + if (!(u = manager_get_unit(m, name))) + return true; + + return unit_pending_inactive(u); } static const char* const manager_running_as_table[_MANAGER_RUNNING_AS_MAX] = {