Update networking layer w/ CURL and emscripten impl

2025-11-08 01:50:36 +11:00
parent a17925904d
commit f6874dc55a
4105 changed files with 694617 additions and 179 deletions
@@ -0,0 +1,72 @@
+---
+c: Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
+SPDX-License-Identifier: curl
+Title: CURLMOPT_NOTIFYDATA
+Section: 3
+Source: libcurl
+See-also:
+  - CURLMOPT_NOTIFYFUNCTION (3)
+  - curl_multi_notify_disable (3)
+  - curl_multi_notify_enable (3)
+Protocol:
+  - All
+Added-in: 8.17.0
+---
+
+# NAME
+
+CURLMOPT_NOTIFYDATA - custom pointer passed to the notification callback
+
+# SYNOPSIS
+
+~~~c
+#include <curl/curl.h>
+
+CURLMcode curl_multi_setopt(CURLM *handle, CURLMOPT_NOTIFYDATA, void *pointer);
+~~~
+
+# DESCRIPTION
+
+A data *pointer* to pass to the notification callback set with the
+CURLMOPT_NOTIFYFUNCTION(3) option.
+
+This pointer is not touched by libcurl but is only passed in as the
+notification callback's **clientp** argument.
+
+# DEFAULT
+
+NULL
+
+# %PROTOCOLS%
+
+# EXAMPLE
+
+~~~c
+struct priv {
+  void *ours;
+};
+
+static void notify_cb(CURLM *multi, unsigned int notification,
+                      CURL *easy, void *notifyp)
+{
+  struct priv *p = notifyp;
+  printf("my ptr: %p\n", p->ours);
+  /* ... */
+}
+
+int main(void)
+{
+  struct priv setup;
+  CURLM *multi = curl_multi_init();
+  /* ... use socket callback and custom pointer */
+  curl_multi_setopt(multi, CURLMOPT_NOTIFYFUNCTION, notify_cb);
+  curl_multi_setopt(multi, CURLMOPT_NOTIFYDATA, &setup);
+  curl_multi_notify_enable(multi, CURLMNOTIFY_INFO_READ);
+}
+~~~
+
+# %AVAILABILITY%
+
+# RETURN VALUE
+
+Returns CURLM_OK.