From 375e98b950a5264c52fc13fbe05625ab9c295e99 Mon Sep 17 00:00:00 2001
From: Daniele Debernardi <drebrez@gmail.com>
Date: Thu, 20 Jun 2019 22:03:38 +0200
Subject: [PATCH] main/reboot-mode: new aport (!442)

New tool to reboot the device to a specific mode.
---
 main/reboot-mode/APKBUILD      | 25 ++++++++++++++++
 main/reboot-mode/reboot-mode.c | 53 ++++++++++++++++++++++++++++++++++
 2 files changed, 78 insertions(+)
 create mode 100644 main/reboot-mode/APKBUILD
 create mode 100644 main/reboot-mode/reboot-mode.c

diff --git a/main/reboot-mode/APKBUILD b/main/reboot-mode/APKBUILD
new file mode 100644
index 000000000..dc52a3a5b
--- /dev/null
+++ b/main/reboot-mode/APKBUILD
@@ -0,0 +1,25 @@
+# Contributor: Daniele Debernardi <drebrez@gmail.com>
+# Maintainer: Daniele Debernardi <drebrez@gmail.com>
+pkgname=reboot-mode
+pkgver=0.1
+pkgrel=0
+pkgdesc="Reboot the device to a specific mode"
+url="https://postmarketos.org"
+arch="all"
+license="GPL-3.0-or-later"
+makedepends="musl-dev linux-headers"
+source="reboot-mode.c"
+options="!check"
+builddir="$srcdir/"
+
+build() {
+	gcc reboot-mode.c -o reboot-mode.o -c
+	gcc reboot-mode.o -o reboot-mode
+}
+
+package() {
+	install -Dm755 "reboot-mode" \
+		"${pkgdir}/usr/sbin/reboot-mode"
+}
+
+sha512sums="569b6b1cf595e208b8c5731ea8d4334cd5458cbc2a63d5756014f55f04dd89a4b67ec0d0d01d7a1cd935ae13d44e62e3ea6765f626736bc3dc2029b890c20070  reboot-mode.c"
diff --git a/main/reboot-mode/reboot-mode.c b/main/reboot-mode/reboot-mode.c
new file mode 100644
index 000000000..d94dca474
--- /dev/null
+++ b/main/reboot-mode/reboot-mode.c
@@ -0,0 +1,53 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+/*
+ * Reboot the device to a specific mode
+ *
+ * Copyright (C) 2019 Daniele Debernardi <drebrez@gmail.com>
+ */
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/syscall.h>
+#include <linux/reboot.h>
+
+void usage(char* appname)
+{
+	printf("Usage: %s [-h] MODE\n\n", appname);
+	printf("Reboot the device to the MODE specified (e.g. recovery, bootloader)\n\n");
+	printf("WARNING: the reboot is instantaneous\n\n");
+	printf("optional arguments:\n");
+	printf("  -h    Show this help message and exit\n");
+}
+
+int main(int argc, char** argv)
+{
+	if (argc != 2)
+	{
+		usage(argv[0]);
+		exit(1);
+	}
+
+	int opt;
+	while ((opt = getopt(argc, argv, "h")) != -1)
+	{
+		switch (opt)
+		{
+		case 'h':
+		default:
+			usage(argv[0]);
+			exit(1);
+		}
+	}
+
+	sync();
+
+	int ret;
+	ret = syscall(__NR_reboot, LINUX_REBOOT_MAGIC1, LINUX_REBOOT_MAGIC2, LINUX_REBOOT_CMD_RESTART2, argv[1]);
+
+	if (ret) {
+		printf("Error: %s", strerror(ret));
+	}
+
+	return ret;
+}