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=bcf7b86a3b1d205bd259072345a077cab9464dce;hp=9b2ec6e24258652fee94f4732886ba743e01b19f;hb=6b0862dad14eedfa49119f13dfcaf572c7313669;hpb=d2338db3145922b1dfcb3b458e5bce2568a9347a diff --git a/src/login/logind-action.c b/src/login/logind-action.c index 9b2ec6e24..bcf7b86a3 100644 --- a/src/login/logind-action.c +++ b/src/login/logind-action.c @@ -1,5 +1,3 @@ -/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ - /*** This file is part of systemd. @@ -21,19 +19,24 @@ #include -#include "sd-messages.h" -#include "util.h" -#include "strv.h" -#include "fileio.h" -#include "conf-parser.h" -// #include "special.h" -#include "sleep-config.h" +#include "alloc-util.h" #include "bus-error.h" #include "bus-util.h" +#include "conf-parser.h" +#include "formats-util.h" #include "logind-action.h" -// #include "formats-util.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" int manager_handle_action( Manager *m, @@ -52,8 +55,7 @@ int manager_handle_action( [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, @@ -65,7 +67,7 @@ int manager_handle_action( }; #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; @@ -109,12 +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 @@ -130,7 +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 && @@ -159,8 +170,7 @@ int manager_handle_action( 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); @@ -173,143 +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",