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Diffstat (limited to 'i/pc104/initrd/conf/busybox/init/halt.c')
-rw-r--r--i/pc104/initrd/conf/busybox/init/halt.c59
1 files changed, 59 insertions, 0 deletions
diff --git a/i/pc104/initrd/conf/busybox/init/halt.c b/i/pc104/initrd/conf/busybox/init/halt.c
new file mode 100644
index 0000000..d5c22a8
--- /dev/null
+++ b/i/pc104/initrd/conf/busybox/init/halt.c
@@ -0,0 +1,59 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Poweroff reboot and halt, oh my.
+ *
+ * Copyright 2006 by Rob Landley <rob@landley.net>
+ *
+ * Licensed under GPL version 2, see file LICENSE in this tarball for details.
+ */
+
+#include "busybox.h"
+#include <sys/reboot.h>
+
+int halt_main(int argc, char *argv[]);
+int halt_main(int argc, char *argv[])
+{
+ static const int magic[] = {
+#ifdef RB_HALT_SYSTEM
+RB_HALT_SYSTEM,
+#elif defined RB_HALT
+RB_HALT,
+#endif
+#ifdef RB_POWER_OFF
+RB_POWER_OFF,
+#elif defined RB_POWERDOWN
+RB_POWERDOWN,
+#endif
+RB_AUTOBOOT
+ };
+ static const int signals[] = { SIGUSR1, SIGUSR2, SIGTERM };
+
+ char *delay;
+ int which, flags, rc = 1;
+
+ /* Figure out which applet we're running */
+ for (which = 0; "hpr"[which] != *applet_name; which++);
+
+ /* Parse and handle arguments */
+ flags = getopt32(argc, argv, "d:nf", &delay);
+ if (flags & 1) sleep(xatou(delay));
+ if (!(flags & 2)) sync();
+
+ /* Perform action. */
+ if (ENABLE_INIT && !(flags & 4)) {
+ if (ENABLE_FEATURE_INITRD) {
+ pid_t *pidlist = find_pid_by_name("linuxrc");
+ if (pidlist[0] > 0)
+ rc = kill(pidlist[0], signals[which]);
+ if (ENABLE_FEATURE_CLEAN_UP)
+ free(pidlist);
+ }
+ if (rc)
+ rc = kill(1, signals[which]);
+ } else
+ rc = reboot(magic[which]);
+
+ if (rc)
+ bb_error_msg("no");
+ return rc;
+}