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 +1,78 @@
+---
+c: Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
+SPDX-License-Identifier: curl
+Title: CURLMOPT_TIMERDATA
+Section: 3
+Source: libcurl
+See-also:
+  - CURLMOPT_SOCKETFUNCTION (3)
+  - CURLMOPT_TIMERFUNCTION (3)
+Protocol:
+  - All
+Added-in: 7.16.0
+---
+
+# NAME
+
+CURLMOPT_TIMERDATA - custom pointer to pass to timer callback
+
+# SYNOPSIS
+
+~~~c
+#include <curl/curl.h>
+
+CURLMcode curl_multi_setopt(CURLM *handle, CURLMOPT_TIMERDATA, void *pointer);
+~~~
+
+# DESCRIPTION
+
+A data **pointer** to pass to the timer callback set with the
+CURLMOPT_TIMERFUNCTION(3) option.
+
+This pointer is not touched by libcurl but is only be passed in to the timer
+callback's **clientp** argument.
+
+# DEFAULT
+
+NULL
+
+# %PROTOCOLS%
+
+# EXAMPLE
+
+~~~c
+struct priv {
+  void *custom;
+};
+
+static int timerfunc(CURLM *multi, long timeout_ms, void *clientp)
+{
+  struct priv *mydata = clientp;
+  printf("our ptr: %p\n", mydata->custom);
+
+  if(timeout_ms >= 0) {
+    /* this is the new single timeout to wait for */
+  }
+  else {
+    /* delete the timeout, nothing to wait for now */
+  }
+  return 0;
+}
+
+int main(void)
+{
+  struct priv mydata;
+  CURLM *multi = curl_multi_init();
+  curl_multi_setopt(multi, CURLMOPT_TIMERFUNCTION, timerfunc);
+  curl_multi_setopt(multi, CURLMOPT_TIMERDATA, &mydata);
+}
+~~~
+
+# %AVAILABILITY%
+
+# RETURN VALUE
+
+curl_multi_setopt(3) returns a CURLMcode indicating success or error.
+
+CURLM_OK (0) means everything was OK, non-zero means an error occurred, see
+libcurl-errors(3).