X-Git-Url: https://git.saurik.com/uikittools.git/blobdiff_plain/b9124f59d08f47be8897f521315ef5f9d129dde7..250d7de50e2d2a10f16311aab8a7b2d185b073a0:/sbreload.c

diff --git a/sbreload.c b/sbreload.c
index e499118..3db5a68 100644
--- a/sbreload.c
+++ b/sbreload.c
@@ -1,3 +1,42 @@
+/* UIKit Tools - command-line utilities for UIKit
+ * Copyright (C) 2008-2012  Jay Freeman (saurik)
+*/
+
+/* Modified BSD License {{{ */
+/*
+ *        Redistribution and use in source and binary
+ * forms, with or without modification, are permitted
+ * provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the
+ *    above copyright notice, this list of conditions
+ *    and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the
+ *    above copyright notice, this list of conditions
+ *    and the following disclaimer in the documentation
+ *    and/or other materials provided with the
+ *    distribution.
+ * 3. The name of the author may not be used to endorse
+ *    or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
+ * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+/* }}} */
+
 #include <launch.h>
 #include <notify.h>
 
@@ -121,13 +160,12 @@ void stop() {
     sleep(1);
 }
 
+#define SpringBoard_plist "/System/Library/LaunchDaemons/com.apple.SpringBoard.plist"
+
 int main(int argc, const char *argv[]) {
-    if (argc > 1) {
-        fprintf(stderr, "usage: sbreload\n");
-        return 1;
-    }
+    _assert(argc == 1, "usage: sbreload");
 
-    CFDictionaryRef plist = CreateMyPropertyListFromFile("/System/Library/LaunchDaemons/com.apple.SpringBoard.plist");
+    CFDictionaryRef plist = CreateMyPropertyListFromFile(SpringBoard_plist);
     _assert(plist != NULL, "CreateMyPropertyListFromFile() == NULL");
 
     launch_data_t job = CF2launch_data(plist);
@@ -160,8 +198,18 @@ int main(int argc, const char *argv[]) {
 
     launch_data_free(response);
 
-    fprintf(stderr, "notify_post(com.apple.mobile.springboard_teardown)\n");
-    notify_post("com.apple.mobile.springboard_teardown");
+    // 600 is being used to approximate 4.x/5.x boundary
+    if (kCFCoreFoundationVersionNumber < 600) {
+        fprintf(stderr, "notify_post(com.apple.mobile.springboard_teardown)\n");
+        notify_post("com.apple.mobile.springboard_teardown");
+    } else {
+        // XXX: this code is preferable to launchctl unoad but it requires libvproc? :(
+        //vproc_err_t *error = _vproc_send_signal_by_label(label, VPROC_MAGIC_UNLOAD_SIGNAL);
+        //_assert(error == NULL, "_vproc_send_signal_by_label(UNLOAD) != NULL");
+
+        fprintf(stderr, "launchctl unload SpringBoard.plist\n");
+        system("launchctl unload " SpringBoard_plist);
+    }
 
     if (pid != -1) {
         fprintf(stderr, "waiting for kill(%u) != 0...\n", pid);
@@ -175,23 +223,23 @@ int main(int argc, const char *argv[]) {
     request = launch_data_alloc(LAUNCH_DATA_DICTIONARY);
     launch_data_dict_insert(request, job, LAUNCH_KEY_SUBMITJOB);
 
-  launch_msg:
-    response = launch_msg(request);
-    _assert(response != NULL, "launch_msg(SubmitJob) == NULL");
+    for (;;) {
+        response = launch_msg(request);
+        _assert(response != NULL, "launch_msg(SubmitJob) == NULL");
 
-    _assert(launch_data_get_type(response) == LAUNCH_DATA_ERRNO, "launch_data_get_type() != ERRNO");
-    int error = launch_data_get_errno(response);
-    launch_data_free(response);
+        _assert(launch_data_get_type(response) == LAUNCH_DATA_ERRNO, "launch_data_get_type() != ERRNO");
+        int error = launch_data_get_errno(response);
+        launch_data_free(response);
 
-    const char *string = strerror(error);
+        const char *string = strerror(error);
 
-    if (error == EEXIST) {
-        fprintf(stderr, "SubmitJob(%s): %s, retrying...\n", label, string);
-        stop();
-        goto launch_msg;
-    } else if (error != 0) {
-        fprintf(stderr, "SubmitJob(%s): %s\n", label, string);
-        return 6;
+        if (error == EEXIST) {
+            fprintf(stderr, "SubmitJob(%s): %s, retrying...\n", label, string);
+            stop();
+        } else {
+            _assert(error == 0, "SubmitJob(%s): %s", label, string);
+            break;
+        }
     }
 
     launch_data_free(request);