-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
/***
This file is part of systemd.
#include "terminal-util.h"
#include "user-util.h"
-// Additional includes needed by elogind
+/// Additional includes needed by elogind
#include "fd-util.h"
#include "fileio.h"
#include "sd-messages.h"
[HANDLE_HYBRID_SLEEP] = "Hibernating and suspending..."
};
-/// elogind does this itself. No target table required
-#if 0
+#if 0 /// elogind does this itself. No target table required
static const char * const target_table[_HANDLE_ACTION_MAX] = {
[HANDLE_POWEROFF] = SPECIAL_POWEROFF_TARGET,
[HANDLE_REBOOT] = SPECIAL_REBOOT_TARGET,
};
#endif // 0
- _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
InhibitWhat inhibit_operation;
Inhibitor *offending = NULL;
bool supported;
}
/* If the key handling is inhibited, don't do anything */
- if (inhibit_key > 0) {
+ if (!ignore_inhibited && inhibit_key > 0) {
if (manager_is_inhibited(m, inhibit_key, INHIBIT_BLOCK, NULL, true, false, 0, NULL)) {
log_debug("Refusing operation, %s is inhibited.", inhibit_what_to_string(inhibit_key));
return 0;
}
if (handle == HANDLE_SUSPEND)
- supported = can_sleep("suspend") > 0;
+ supported = can_sleep(m, "suspend") > 0;
else if (handle == HANDLE_HIBERNATE)
- supported = can_sleep("hibernate") > 0;
+ supported = can_sleep(m, "hibernate") > 0;
else if (handle == HANDLE_HYBRID_SLEEP)
- supported = can_sleep("hybrid-sleep") > 0;
+ supported = can_sleep(m, "hybrid-sleep") > 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;
+ inhibit_operation = IN_SET(handle, HANDLE_SUSPEND, HANDLE_HIBERNATE, HANDLE_HYBRID_SLEEP) ? INHIBIT_SLEEP : INHIBIT_SHUTDOWN;
/* If the actual operation is inhibited, warn and fail */
if (!ignore_inhibited &&
log_info("%s", message_table[handle]);
-/// elogind uses its own variant, which can use the handle directly.
-#if 0
+#if 0 /// elogind uses its own variant, which can use the handle directly.
r = bus_manager_shutdown_or_sleep_now_or_later(m, target_table[handle], inhibit_operation, &error);
#else
r = bus_manager_shutdown_or_sleep_now_or_later(m, handle, inhibit_operation, &error);
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, 0);
- 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, true);
- 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, char **modes, char **states) {
- 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;
-
- /* 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(Manager *m, HandleAction action) {
-
- assert(m);
-
- 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", m->suspend_mode, m->suspend_state);
- case HANDLE_HIBERNATE:
- return do_sleep("hibernate", m->hibernate_mode, m->hibernate_state);
- case HANDLE_HYBRID_SLEEP:
- return do_sleep("hybrid-sleep", m->hybrid_sleep_mode, m->hybrid_sleep_state);
- default:
- return -EINVAL;
- }
-}
-
static const char* const handle_action_table[_HANDLE_ACTION_MAX] = {
[HANDLE_IGNORE] = "ignore",
[HANDLE_POWEROFF] = "poweroff",