1 files changed, 124 insertions, 0 deletions
diff --git a/loader/shutdown.c b/loader/shutdown.c
new file mode 100644
index 000000000..dadfc2a6e
--- /dev/null
+++ b/loader/shutdown.c
@@ -0,0 +1,124 @@
+/*
+ * shutdown.c
+ *
+ * Shutdown a running system.  If built with -DAS_SHUTDOWN=1, then
+ * it builds a standalone shutdown binary.
+ *
+ * Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003  Red Hat, Inc.
+ * All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <fcntl.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/reboot.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#ifdef AS_SHUTDOWN
+int testing = 0;
+#else
+extern int testing;
+#endif
+
+void disableSwap(void);
+void unmountFilesystems(void);
+
+static void rebootHandler(int signum) {
+    printf("rebooting system\n");
+#if USE_MINILIBC
+    reboot(0xfee1dead, 672274793, 0x1234567);
+#else
+    reboot(RB_AUTOBOOT);
+#endif
+}
+
+void shutDown(int noKill, int doReboot, int doPowerOff) {
+    sync(); sync();
+
+    if (!testing && !noKill) {
+	printf("sending termination signals...");
+	kill(-1, 15);
+	sleep(2);
+	printf("done\n");
+
+	printf("sending kill signals...");
+	kill(-1, 9);
+	sleep(2);
+	printf("done\n");
+    }
+
+    printf("disabling swap...\n");
+    disableSwap();
+
+    printf("unmounting filesystems...\n"); 
+    unmountFilesystems();
+
+    if (doReboot) {
+	printf("rebooting system\n");
+	sleep(2);
+
+#if USE_MINILIBC
+	reboot(0xfee1dead, 672274793, 0x1234567);
+#else
+	reboot(RB_AUTOBOOT);
+#endif
+    } else if (doPowerOff)  {
+        printf("powering off system\n");
+        reboot(RB_POWER_OFF);
+    } else {
+	printf("you may safely reboot your system\n");
+        signal(SIGINT, rebootHandler);
+        while (1) sleep(60);
+    }
+
+    exit(0);
+
+    return;
+}
+
+#ifdef AS_SHUTDOWN
+int main(int argc, char ** argv) {
+    int fd;
+    int doReboot = 0;
+    int i = 1;
+
+    while (i < argc) {
+      if (!strncmp("-r", argv[i], 2))
+	doReboot = 1;
+      i++;
+    }
+
+    /* ignore some signals so we don't kill ourself */
+    signal(SIGINT, SIG_IGN);
+    signal(SIGTSTP, SIG_IGN);
+
+    /* now change to / */
+    i = chdir("/");
+
+    /* redirect output to the real console */
+    fd = open("/dev/console", O_RDWR);
+    dup2(fd, 0);
+    dup2(fd, 1);
+    dup2(fd, 2);
+    close(fd);
+
+    shutDown(0, doReboot, 0);
+    return 0;
+}
+#endif