kunalekawde

diff --git a/docs/examples/http2-download.c b/docs/examples/http2-download.c
index 333b7df2c..273eaacee 100644
--- a/docs/examples/http2-download.c
+++ b/docs/examples/http2-download.c
@@ -47,7 +47,7 @@ struct transfer {
FILE *out;
};

-#define NUM_HANDLES 1000
+#define NUM_HANDLES 10008

kunalekawde

(gdb) p *check->data
$4 = {
  next = 0x0,
  prev = 0x0,
  conn = 0x0,
  connect_queue = {
    ptr = 0x0,
    prev = 0x0,
    next = 0x0
  },

kunalekawde

/***************************************************************************
 *                                  _   _ ____  _
 *  Project                     ___| | | |  _ \| |
 *                             / __| | | | |_) | |
 *                            | (__| |_| |  _ <| |___
 *                             \___|\___/|_| \_\_____|
 *
 * Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
 *
 * This software is licensed as described in the file COPYING, which

kunalekawde

diff -urNp curl-7.67.0/lib/url.c curl-7.67.0/lib/url.c
--- curl-7.67.0/lib/url.c	2020-01-02 03:46:39.358670000 -0500
+++ curl-7.67.0/lib/url.c	2020-01-03 01:25:53.847411000 -0500
@@ -1072,6 +1072,8 @@ ConnectionExists(struct Curl_easy *data,
     while(curr) {
       bool match = FALSE;
       size_t multiplexed;
+      size_t multiplexed_cnt;
+      multiplexed_cnt = CONN_INUSE(check);

kunalekawde

/***************************************************************************
 *                                  _   _ ____  _
 *  Project                     ___| | | |  _ \| |
 *                             / __| | | | |_) | |
 *                            | (__| |_| |  _ <| |___
 *                             \___|\___/|_| \_\_____|
 *
 * Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
 *
 * This software is licensed as described in the file COPYING, which

kunalekawde

/***************************************************************************
 Attempt to reproduce https://github.com/curl/curl/issues/4043
 ***************************************************************************/

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

/* somewhat unix-specific */
#include <sys/time.h>

kunalekawde

diff -urNp curl-7.65.1/lib/conncache.c curl-7.65.1/lib/conncache.c
--- curl-7.65.1/lib/conncache.c	2019-06-05 06:27:58.438954000 -0400
+++ curl-7.65.1/lib/conncache.c	2019-06-16 02:31:56.343444000 -0400
@@ -189,6 +189,11 @@ void Curl_conncache_unlock(struct Curl_e
   CONN_UNLOCK(data);
 }

+void Curl_conncache_lock(struct Curl_easy *data)
+{
+  CONN_LOCK(data);

kunalekawde

#include <string.h>
#include <curl/curl.h>
#include <unistd.h>

fd_set wfds;
fd_set rfds;
struct timeval tv;
int maxfd = 0;

int socket_callback(CURL *easy,      /* easy handle */

kunalekawde

#include <string.h>
#include <curl/curl.h>

fd_set wfds;
fd_set rfds;
struct timeval tv;
int maxfd = 0;

int socket_callback(CURL *easy,      /* easy handle */
                    curl_socket_t s, /* socket */