socketpair() usage tracking to allow fd leak detection

1 files changed, 18 insertions, 0 deletions

diff --git a/lib/memdebug.c b/lib/memdebug.c
index 60d938ade..3e3c1bc4f 100644
--- a/lib/memdebug.c
+++ b/lib/memdebug.c
@@ -285,6 +285,24 @@ curl_socket_t curl_socket(int domain, int type, int protocol,
   return sockfd;
 }
 
+#ifdef HAVE_SOCKETPAIR
+int curl_socketpair(int domain, int type, int protocol,
+                    curl_socket_t socket_vector[2],
+                    int line, const char *source)
+{
+  const char *fmt = (sizeof(curl_socket_t) == sizeof(int)) ?
+                    "FD %s:%d socketpair() = %d %d\n" :
+                    (sizeof(curl_socket_t) == sizeof(long)) ?
+                    "FD %s:%d socketpair() = %ld %ld\n" :
+                    "FD %s:%d socketpair() = %zd %zd\n" ;
+
+  int res = socketpair(domain, type, protocol, socket_vector);
+  if(source && (0 == res))
+    curl_memlog(fmt, source, line, socket_vector[0], socket_vector[1]);
+  return res;
+}
+#endif
+
 curl_socket_t curl_accept(curl_socket_t s, void *saddr, void *saddrlen,
                           int line, const char *source)
 {