Merge branch '5.4' into 6.2

* 5.4:
  [HttpClient] Fix global state preventing two CurlHttpClient instances from working together

Author: nicolas-grekas

Internal/CurlClientState.php

@@ -25,6 +25,7 @@ final class CurlClientState extends ClientState
 {
     public ?\CurlMultiHandle $handle;
     public ?\CurlShareHandle $share;
+    public bool $performing = false;
 
     /** @var PushedResponse[] */
     public array $pushedResponses = [];

Response/CurlResponse.php

@@ -32,7 +32,6 @@ final class CurlResponse implements ResponseInterface, StreamableInterface
     }
     use TransportResponseTrait;
 
-    private static bool $performing = false;
     private CurlClientState $multi;
 
     /**
@@ -182,7 +181,7 @@ public function __construct(CurlClientState $multi, \CurlHandle|string $ch, arra
             unset($multi->pauseExpiries[$id], $multi->openHandles[$id], $multi->handlesActivity[$id]);
             curl_setopt($ch, \CURLOPT_PRIVATE, '_0');
 
-            if (self::$performing) {
+            if ($multi->performing) {
                 return;
             }
 
@@ -234,13 +233,13 @@ public function getInfo(string $type = null): mixed
 
     public function getContent(bool $throw = true): string
     {
-        $performing = self::$performing;
-        self::$performing = $performing || '_0' === curl_getinfo($this->handle, \CURLINFO_PRIVATE);
+        $performing = $this->multi->performing;
+        $this->multi->performing = $performing || '_0' === curl_getinfo($this->handle, \CURLINFO_PRIVATE);
 
         try {
             return $this->doGetContent($throw);
         } finally {
-            self::$performing = $performing;
+            $this->multi->performing = $performing;
         }
     }
 
@@ -279,7 +278,7 @@ private static function schedule(self $response, array &$runningResponses): void
      */
     private static function perform(ClientState $multi, array &$responses = null): void
     {
-        if (self::$performing) {
+        if ($multi->performing) {
             if ($responses) {
                 $response = current($responses);
                 $multi->handlesActivity[(int) $response->handle][] = null;
@@ -290,7 +289,7 @@ private static function perform(ClientState $multi, array &$responses = null): v
         }
 
         try {
-            self::$performing = true;
+            $multi->performing = true;
             ++$multi->execCounter;
             $active = 0;
             while (\CURLM_CALL_MULTI_PERFORM === ($err = curl_multi_exec($multi->handle, $active))) {
@@ -327,7 +326,7 @@ private static function perform(ClientState $multi, array &$responses = null): v
                 $multi->handlesActivity[$id][] = \in_array($result, [\CURLE_OK, \CURLE_TOO_MANY_REDIRECTS], true) || '_0' === $waitFor || curl_getinfo($ch, \CURLINFO_SIZE_DOWNLOAD) === curl_getinfo($ch, \CURLINFO_CONTENT_LENGTH_DOWNLOAD) ? null : new TransportException(ucfirst(curl_error($ch) ?: curl_strerror($result)).sprintf(' for "%s".', curl_getinfo($ch, \CURLINFO_EFFECTIVE_URL)));
             }
         } finally {
-            self::$performing = false;
+            $multi->performing = false;
         }
     }