another taroon merge. tagged before as before-taroon-merge, after as

after-taroon-merge

this one adds s390 fixes, basic i/p series platform support, support for
multiple kernels and one second stage, cmdline kickstart mode (nice for s390),
some warning cleanups.

1 files changed, 108 insertions, 0 deletions

diff --git a/loader2/shutdown.c b/loader2/shutdown.c
new file mode 100644
index 000000000..33dab7bad
--- /dev/null
+++ b/loader2/shutdown.c
@@ -0,0 +1,108 @@
+/*
+ * shutdown.c
+ *
+ * Shutdown a running system.  If built with -DAS_SHUTDOWN=1, then
+ * it builds a standalone shutdown binary.
+ *
+ * Copyright 1996 - 2003 Red Hat, Inc.
+ *
+ * This software may be freely redistributed under the terms of the GNU
+ * public license.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#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);
+
+
+void shutDown(int noKill, int doReboot) {
+    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 {
+	printf("you may safely reboot your system\n");
+#if !defined(__s390__) && !defined(__s390x__)
+	while (1);
+#else
+	reboot(RB_HALT_SYSTEM);
+#endif
+    }
+
+    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 / */
+    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);
+}
+#endif