init minit commit, innit

1 files changed, 40 insertions, 0 deletions

diff --git a/minit.c b/minit.c
new file mode 100644
index 0000000..7ea9688
--- /dev/null
+++ b/minit.c
@@ -0,0 +1,40 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#include <linux/reboot.h>
+#include <sys/mount.h>
+#include <sys/reboot.h>
+#include <sys/syscall.h>
+
+[[noreturn]]
+int main(int argc, char *argv[])
+{
+	if (argc < 2) {
+		puts("usage: minit <command>");
+		exit(1);
+	}
+
+	int rc = mount("proc", "/proc", "proc", 0, NULL);
+	if (rc)
+		puts("warning: unable to mount proc!");
+
+	rc = mount("sysfs", "/sys", "sysfs", 0, NULL);
+	if (rc) {
+		puts("warning: unable to mount sysfs!");
+	} else {
+		rc = mount("debugfs", "/sys/kernel/debug", "debugfs", 0, NULL);
+		if (rc)
+			puts("warning: unable to mount debugfs!");
+	}
+
+	rc = system(argv[1]);
+	if (rc) {
+		puts("the command exited with failure");
+	}
+
+	sync();
+	rc = reboot(LINUX_REBOOT_CMD_HALT);
+	/* If we made it here something went wrong with the reboot command */
+	exit(rc);
+}