getty-generator: fix stripping /dev/

[elogind.git] / src / core / shutdown.c

diff --git a/src/core/shutdown.c b/src/core/shutdown.c
index ea02b60456a8933aaf6ada1f46a66aa3cf2f9625..31129b7697edf01ae5de5787b7c5b75816fe4e64 100644 (file)
--- a/src/core/shutdown.c
+++ b/src/core/shutdown.c
@@ -24,7 +24,6 @@
 #include <sys/reboot.h>
 #include <linux/reboot.h>
 #include <sys/wait.h>
-#include <sys/types.h>
 #include <sys/stat.h>
 #include <sys/mount.h>
 #include <sys/syscall.h>
@@ -47,6 +46,7 @@
 #include "watchdog.h"
 #include "killall.h"
 #include "cgroup-util.h"
+#include "def.h"
 
 #define FINALIZE_ATTEMPTS 50
 
@@ -140,8 +140,8 @@ int main(int argc, char *argv[]) {
         int cmd, r;
 
         /* suppress shutdown status output if 'quiet' is used  */
-        r = read_one_line_file("/proc/cmdline", &line);
-        if (r >= 0) {
+        r = proc_cmdline(&line);
+        if (r > 0) {
                 char *w, *state;
                 size_t l;
 
@@ -195,10 +195,10 @@ int main(int argc, char *argv[]) {
         mlockall(MCL_CURRENT|MCL_FUTURE);
 
         log_info("Sending SIGTERM to remaining processes...");
-        broadcast_signal(SIGTERM, true);
+        broadcast_signal(SIGTERM, true, true);
 
         log_info("Sending SIGKILL to remaining processes...");
-        broadcast_signal(SIGKILL, true);
+        broadcast_signal(SIGKILL, true, false);
 
         if (in_container) {
                 need_swapoff = false;
@@ -315,35 +315,69 @@ int main(int argc, char *argv[]) {
         if (!in_container)
                 sync();
 
-        if (cmd == LINUX_REBOOT_CMD_KEXEC) {
+        switch (cmd) {
+
+        case LINUX_REBOOT_CMD_KEXEC:
 
                 if (!in_container) {
                         /* We cheat and exec kexec to avoid doing all its work */
-                        pid_t pid = fork();
+                        pid_t pid;
+
+                        log_info("Rebooting with kexec.");
 
+                        pid = fork();
                         if (pid < 0)
-                                log_error("Could not fork: %m. Falling back to normal reboot.");
-                        else if (pid > 0) {
-                                wait_for_terminate_and_warn("kexec", pid);
-                                log_warning("kexec failed. Falling back to normal reboot.");
-                        } else {
+                                log_error("Failed to fork: %m");
+                        else if (pid == 0) {
+
+                                const char * const args[] = {
+                                        KEXEC, "-e", NULL
+                                };
+
                                 /* Child */
-                                const char *args[3] = { KEXEC, "-e", NULL };
+
                                 execv(args[0], (char * const *) args);
-                                return EXIT_FAILURE;
-                        }
+                                _exit(EXIT_FAILURE);
+                        } else
+                                wait_for_terminate_and_warn("kexec", pid);
                 }
 
                 cmd = RB_AUTOBOOT;
+                /* Fall through */
+
+        case RB_AUTOBOOT:
+
+                if (!in_container) {
+                        _cleanup_free_ char *param = NULL;
+
+                        if (read_one_line_file(REBOOT_PARAM_FILE, &param) >= 0) {
+                                log_info("Rebooting with argument '%s'.", param);
+                                syscall(SYS_reboot, LINUX_REBOOT_MAGIC1, LINUX_REBOOT_MAGIC2,
+                                        LINUX_REBOOT_CMD_RESTART2, param);
+                        }
+                }
+
+                log_info("Rebooting.");
+                break;
+
+        case RB_POWER_OFF:
+                log_info("Powering off.");
+                break;
+
+        case RB_HALT_SYSTEM:
+                log_info("Halting system.");
+                break;
+
+        default:
+                assert_not_reached("Unknown magic");
         }
 
         reboot(cmd);
-
         if (errno == EPERM && in_container) {
                 /* If we are in a container, and we lacked
                  * CAP_SYS_BOOT just exit, this will kill our
                  * container for good. */
-                log_error("Exiting container.");
+                log_info("Exiting container.");
                 exit(0);
         }