X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Flogin%2Flogind-action.c;h=48d9fb856e2a83f35cd0c0c62e0dfab5af12d379;hp=e1db89a88c1a569078efbbf24a1322f569be36f6;hb=d5673993ad3bf38d0aeba8dbd025d6f4527f0169;hpb=03aeb1036dde68c309cb2afb9e5d523c60629115 diff --git a/src/login/logind-action.c b/src/login/logind-action.c index e1db89a88..48d9fb856 100644 --- a/src/login/logind-action.c +++ b/src/login/logind-action.c @@ -23,7 +23,7 @@ #include "bus-error.h" #include "bus-util.h" #include "conf-parser.h" -#include "formats-util.h" +#include "format-util.h" #include "logind-action.h" #include "process-util.h" #include "sleep-config.h" @@ -32,13 +32,12 @@ #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" #include "strv.h" - int manager_handle_action( Manager *m, InhibitWhat inhibit_key, @@ -112,12 +111,21 @@ int manager_handle_action( 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) + 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 @@ -133,7 +141,7 @@ int manager_handle_action( 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 && @@ -175,143 +183,6 @@ int manager_handle_action( 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",