From 4546ef8b1dff8fb291014c046f4839e799582983 Mon Sep 17 00:00:00 2001
From: Niklas Keller <me@kelunik.com>
Date: Sat, 17 Jun 2017 20:46:22 +0200
Subject: [PATCH] Skip cli_set_process_title inside phpdbg

---
 bin/worker                 | 11 +++++++----
 lib/Sync/ChannelParser.php |  5 +++--
 2 files changed, 10 insertions(+), 6 deletions(-)

diff --git a/bin/worker b/bin/worker
index 8a97f00b..1b6184e9 100644
--- a/bin/worker
+++ b/bin/worker
@@ -4,7 +4,10 @@
 use Amp\Parallel\Sync;
 use Amp\Parallel\Worker;
 
-@cli_set_process_title('amp-worker');
+// Doesn't exist in phpdbg...
+if (\function_exists('cli_set_process_title')) {
+    @cli_set_process_title('amp-worker');
+}
 
 // Redirect all output written using echo, print, printf, etc. to STDERR.
 ob_start(function ($data) {
@@ -17,7 +20,7 @@ ob_start(function ($data) {
         dirname(__DIR__, 3) . '/autoload.php',
         dirname(__DIR__) . '/vendor/autoload.php',
     ];
-    
+
     $autoloadPath = null;
     foreach ($paths as $path) {
         if (file_exists($path)) {
@@ -25,12 +28,12 @@ ob_start(function ($data) {
             break;
         }
     }
-    
+
     if ($autoloadPath === null) {
         fwrite(STDERR, 'Could not locate autoload.php.');
         exit(1);
     }
-    
+
     require $autoloadPath;
 })();
 
diff --git a/lib/Sync/ChannelParser.php b/lib/Sync/ChannelParser.php
index 40927f25..16a781e6 100644
--- a/lib/Sync/ChannelParser.php
+++ b/lib/Sync/ChannelParser.php
@@ -46,10 +46,11 @@ public function encode($data): string {
      */
     private static function parser(callable $callback, callable $errorHandler): \Generator {
         while (true) {
-            $data = \unpack("Cprefix/Llength", yield self::HEADER_LENGTH);
+            $header = yield self::HEADER_LENGTH;
+            $data = \unpack("Cprefix/Llength", $header);
 
             if ($data["prefix"] !== 0) {
-                throw new ChannelException("Invalid header received");
+                throw new ChannelException("Invalid header received: " . \bin2hex($header));
             }
 
             $data = yield $data["length"];