static void test_sleep(void) { _cleanup_strv_free_ char **standby = strv_new("standby", NULL), **mem = strv_new("mem", NULL), **disk = strv_new("disk", NULL), **suspend = strv_new("suspend", NULL), **reboot = strv_new("reboot", NULL), **platform = strv_new("platform", NULL), **shutdown = strv_new("shutdown", NULL), **freez = strv_new("freeze", NULL); int r; log_info("/* configuration */"); log_info("Standby configured: %s", yes_no(can_sleep_state(standby) > 0)); log_info("Suspend configured: %s", yes_no(can_sleep_state(mem) > 0)); log_info("Hibernate configured: %s", yes_no(can_sleep_state(disk) > 0)); log_info("Hibernate+Suspend (Hybrid-Sleep) configured: %s", yes_no(can_sleep_disk(suspend) > 0)); log_info("Hibernate+Reboot configured: %s", yes_no(can_sleep_disk(reboot) > 0)); log_info("Hibernate+Platform configured: %s", yes_no(can_sleep_disk(platform) > 0)); log_info("Hibernate+Shutdown configured: %s", yes_no(can_sleep_disk(shutdown) > 0)); log_info("Freeze configured: %s", yes_no(can_sleep_state(freez) > 0)); log_info("/* running system */"); r = can_sleep("suspend"); log_info("Suspend configured and possible: %s", r >= 0 ? yes_no(r) : strerror(-r)); r = can_sleep("hibernate"); log_info("Hibernation configured and possible: %s", r >= 0 ? yes_no(r) : strerror(-r)); r = can_sleep("hybrid-sleep"); log_info("Hybrid-sleep configured and possible: %s", r >= 0 ? yes_no(r) : strerror(-r)); r = can_sleep("suspend-then-hibernate"); log_info("Suspend-then-Hibernate configured and possible: %s", r >= 0 ? yes_no(r) : strerror(-r)); }
int main(int argc, char* argv[]) { _cleanup_strv_free_ char **standby = strv_new("standby", NULL), **mem = strv_new("mem", NULL), **disk = strv_new("disk", NULL), **suspend = strv_new("suspend", NULL), **reboot = strv_new("reboot", NULL), **platform = strv_new("platform", NULL), **shutdown = strv_new("shutdown", NULL), **freez = strv_new("freeze", NULL); log_info("Can Standby: %s", yes_no(can_sleep_state(standby) > 0)); log_info("Can Suspend: %s", yes_no(can_sleep_state(mem) > 0)); log_info("Can Hibernate: %s", yes_no(can_sleep_state(disk) > 0)); log_info("Can Hibernate+Suspend (Hybrid-Sleep): %s", yes_no(can_sleep_disk(suspend) > 0)); log_info("Can Hibernate+Reboot: %s", yes_no(can_sleep_disk(reboot) > 0)); log_info("Can Hibernate+Platform: %s", yes_no(can_sleep_disk(platform) > 0)); log_info("Can Hibernate+Shutdown: %s", yes_no(can_sleep_disk(shutdown) > 0)); log_info("Can Freeze: %s", yes_no(can_sleep_disk(freez) > 0)); log_info("Suspend configured and possible: %s", yes_no(can_sleep("suspend") > 0)); log_info("Hibernation configured and possible: %s", yes_no(can_sleep("hibernate") > 0)); log_info("Hybrid-sleep configured and possible: %s", yes_no(can_sleep("hybrid-sleep") > 0)); return 0; }
int can_sleep(const char *verb) { _cleanup_strv_free_ char **modes = NULL, **states = NULL; int r; assert(streq(verb, "suspend") || streq(verb, "hibernate") || streq(verb, "hybrid-sleep")); r = parse_sleep_config(verb, &modes, &states); if (r < 0) return false; if (!can_sleep_state(states) || !can_sleep_disk(modes)) return false; return streq(verb, "suspend") || enough_memory_for_hibernation(); }