-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
+/* SPDX-License-Identifier: LGPL-2.1+ */
/***
- This file is part of systemd.
-
Copyright 2012 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 <unistd.h>
-#include <stdio.h>
-#include <errno.h>
-#include "sd-messages.h"
-#include "log.h"
-#include "util.h"
-#include "strv.h"
-#include "fileio.h"
-#include "build.h"
-#include "def.h"
-#include "conf-parser.h"
-#include "sleep-config.h"
+#include "alloc-util.h"
#include "bus-error.h"
#include "bus-util.h"
+#include "conf-parser.h"
+#include "format-util.h"
#include "logind-action.h"
+#include "process-util.h"
+#include "sleep-config.h"
+//#include "special.h"
+#include "string-table.h"
+#include "terminal-util.h"
+#include "user-util.h"
+
+/// Additional includes needed by elogind
+#include "fd-util.h"
+#include "fileio.h"
+#include "sd-messages.h"
+#include "strv.h"
+const char* manager_target_for_action(HandleAction handle) {
+ static const char * const target_table[_HANDLE_ACTION_MAX] = {
+ [HANDLE_POWEROFF] = SPECIAL_POWEROFF_TARGET,
+ [HANDLE_REBOOT] = SPECIAL_REBOOT_TARGET,
+ [HANDLE_HALT] = SPECIAL_HALT_TARGET,
+ [HANDLE_KEXEC] = SPECIAL_KEXEC_TARGET,
+ [HANDLE_SUSPEND] = SPECIAL_SUSPEND_TARGET,
+ [HANDLE_HIBERNATE] = SPECIAL_HIBERNATE_TARGET,
+ [HANDLE_HYBRID_SLEEP] = SPECIAL_HYBRID_SLEEP_TARGET,
+ [HANDLE_SUSPEND_THEN_HIBERNATE] = SPECIAL_SUSPEND_THEN_HIBERNATE_TARGET,
+ };
+
+ assert(handle >= 0);
+ if (handle < (ssize_t) ELEMENTSOF(target_table))
+ return target_table[handle];
+ return NULL;
+}
int manager_handle_action(
Manager *m,
[HANDLE_KEXEC] = "Rebooting via kexec...",
[HANDLE_SUSPEND] = "Suspending...",
[HANDLE_HIBERNATE] = "Hibernating...",
- [HANDLE_HYBRID_SLEEP] = "Hibernating and suspending..."
+ [HANDLE_HYBRID_SLEEP] = "Hibernating and suspending...",
+ [HANDLE_SUSPEND_THEN_HIBERNATE] = "Suspending, then hibernating...",
};
- _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
+#if 0 /// elogind does this itself. No target table required
+#endif // 0
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
InhibitWhat inhibit_operation;
Inhibitor *offending = NULL;
bool supported;
+ const char *target;
int r;
assert(m);
/* Locking is handled differently from the rest. */
if (handle == HANDLE_LOCK) {
-
if (!is_edge)
return 0;
return 1;
}
+#if 0 /// elogind needs its own can_sleep() variant.
if (handle == HANDLE_SUSPEND)
supported = can_sleep("suspend") > 0;
else if (handle == HANDLE_HIBERNATE)
supported = can_sleep("hibernate") > 0;
else if (handle == HANDLE_HYBRID_SLEEP)
supported = can_sleep("hybrid-sleep") > 0;
+ else if (handle == HANDLE_SUSPEND_THEN_HIBERNATE)
+ supported = can_sleep("suspend-then-hibernate") > 0;
+#else
+ if (handle == HANDLE_SUSPEND)
+ supported = can_sleep(m, "suspend") > 0;
+ else if (handle == HANDLE_HIBERNATE)
+ supported = can_sleep(m, "hibernate") > 0;
+ else if (handle == HANDLE_HYBRID_SLEEP)
+ supported = can_sleep(m, "hybrid-sleep") > 0;
+#endif // 0
else if (handle == HANDLE_KEXEC)
supported = access(KEXEC, X_OK) >= 0;
else
return -EALREADY;
}
- inhibit_operation = handle == HANDLE_SUSPEND || handle == HANDLE_HIBERNATE || handle == HANDLE_HYBRID_SLEEP ? INHIBIT_SLEEP : INHIBIT_SHUTDOWN;
+ assert_se(target = manager_target_for_action(handle));
+
+ inhibit_operation = IN_SET(handle, HANDLE_SUSPEND, HANDLE_HIBERNATE,
+ HANDLE_HYBRID_SLEEP,
+ HANDLE_SUSPEND_THEN_HIBERNATE) ? INHIBIT_SLEEP : INHIBIT_SHUTDOWN;
/* If the actual operation is inhibited, warn and fail */
if (!ignore_inhibited &&
offending->uid, strna(u),
offending->pid, strna(comm));
- warn_melody();
return -EPERM;
}
log_info("%s", message_table[handle]);
+#if 0 /// elogind uses its own variant, which can use the handle directly.
+ r = bus_manager_shutdown_or_sleep_now_or_later(m, target, inhibit_operation, &error);
+#else
r = bus_manager_shutdown_or_sleep_now_or_later(m, handle, inhibit_operation, &error);
+#endif // 0
if (r < 0) {
log_error("Failed to execute operation: %s", bus_error_message(&error, r));
return r;
return 1;
}
-static int run_helper(const char *helper) {
- int pid = fork();
- if (pid < 0) {
- return log_error_errno(errno, "Failed to fork: %m");
- }
-
- if (pid == 0) {
- /* Child */
-
- close_all_fds(NULL, 0);
-
- execlp(helper, helper, NULL);
- log_error_errno(errno, "Failed to execute %s: %m", helper);
- _exit(EXIT_FAILURE);
- }
-
- return wait_for_terminate_and_warn(helper, pid, true);
-}
-
-static int write_mode(char **modes) {
- int r = 0;
- char **mode;
-
- STRV_FOREACH(mode, modes) {
- int k;
-
- k = write_string_file("/sys/power/disk", *mode);
- if (k == 0)
- return 0;
-
- log_debug_errno(k, "Failed to write '%s' to /sys/power/disk: %m",
- *mode);
- if (r == 0)
- r = k;
- }
-
- if (r < 0)
- log_error_errno(r, "Failed to write mode to /sys/power/disk: %m");
-
- return r;
-}
-
-static int write_state(FILE **f, char **states) {
- char **state;
- int r = 0;
-
- STRV_FOREACH(state, states) {
- int k;
-
- k = write_string_stream(*f, *state);
- if (k == 0)
- return 0;
- log_debug_errno(k, "Failed to write '%s' to /sys/power/state: %m",
- *state);
- if (r == 0)
- r = k;
-
- fclose(*f);
- *f = fopen("/sys/power/state", "we");
- if (!*f)
- return log_error_errno(errno, "Failed to open /sys/power/state: %m");
- }
-
- return r;
-}
-
-static int do_sleep(const char *arg_verb) {
- _cleanup_strv_free_ char **modes = NULL, **states = NULL;
- char *arguments[] = {
- NULL,
- (char*) "pre",
- (char*) arg_verb,
- NULL
- };
- static const char* const dirs[] = { SYSTEM_SLEEP_PATH, NULL};
- int r;
- _cleanup_fclose_ FILE *f = NULL;
-
- r = parse_sleep_config(arg_verb, &modes, &states);
- if (r < 0)
- return r;
-
- /* This file is opened first, so that if we hit an error,
- * we can abort before modifying any state. */
- f = fopen("/sys/power/state", "we");
- if (!f)
- return log_error_errno(errno, "Failed to open /sys/power/state: %m");
-
- /* Configure the hibernation mode */
- r = write_mode(modes);
- if (r < 0)
- return r;
-
- execute_directories(dirs, DEFAULT_TIMEOUT_USEC, arguments);
-
- log_struct(LOG_INFO,
- LOG_MESSAGE_ID(SD_MESSAGE_SLEEP_START),
- LOG_MESSAGE("Suspending system..."),
- "SLEEP=%s", arg_verb,
- NULL);
-
- r = write_state(&f, states);
- if (r < 0)
- return r;
-
- log_struct(LOG_INFO,
- LOG_MESSAGE_ID(SD_MESSAGE_SLEEP_STOP),
- LOG_MESSAGE("System resumed."),
- "SLEEP=%s", arg_verb,
- NULL);
-
- arguments[1] = (char*) "post";
- execute_directories(dirs, DEFAULT_TIMEOUT_USEC, arguments);
-
- return r;
-}
-
-int shutdown_or_sleep(HandleAction action) {
- switch (action) {
- case HANDLE_POWEROFF:
- return run_helper(HALT);
- case HANDLE_REBOOT:
- return run_helper(REBOOT);
- case HANDLE_HALT:
- return run_helper(HALT);
- case HANDLE_KEXEC:
- return run_helper(KEXEC);
- case HANDLE_SUSPEND:
- return do_sleep("suspend");
- case HANDLE_HIBERNATE:
- return do_sleep("hibernate");
- case HANDLE_HYBRID_SLEEP:
- return do_sleep("hybrid-sleep");
- default:
- return -EINVAL;
- }
-}
-
static const char* const handle_action_table[_HANDLE_ACTION_MAX] = {
[HANDLE_IGNORE] = "ignore",
[HANDLE_POWEROFF] = "poweroff",
[HANDLE_SUSPEND] = "suspend",
[HANDLE_HIBERNATE] = "hibernate",
[HANDLE_HYBRID_SLEEP] = "hybrid-sleep",
- [HANDLE_LOCK] = "lock"
+ [HANDLE_SUSPEND_THEN_HIBERNATE] = "suspend-then-hibernate",
+ [HANDLE_LOCK] = "lock",
};
DEFINE_STRING_TABLE_LOOKUP(handle_action, HandleAction);
~ianmdlvl / elogind.git / blobdiff