VCL-LDPRELOAD: enable accept4() wrapper

[vpp.git] / src / vcl / vcom.c

diff --git a/src/vcl/vcom.c b/src/vcl/vcom.c
index b215771..ed52bfa 100644 (file)
--- a/src/vcl/vcom.c
+++ b/src/vcl/vcom.c
@@ -2568,7 +2568,6 @@ accept (int __fd, __SOCKADDR_ARG __addr, socklen_t * __restrict __addr_len)
   return libc_accept (__fd, __addr, __addr_len);
 }
 
-#ifdef __USE_GNU
 /*
  * Similar to 'accept' but takes an additional parameter to specify
  * flags.
@@ -2592,9 +2591,14 @@ int
 accept4 (int __fd, __SOCKADDR_ARG __addr,
         socklen_t * __restrict __addr_len, int __flags)
 {
-  int rv;
+  int rv = 0;
   pid_t pid = getpid ();
 
+  fprintf (stderr,
+          "[%d] accept4: in the beginning... "
+          "'%04d'='%04d', '%p', '%p', '%04x'\n",
+          pid, rv, __fd, __addr, __addr_len, __flags);
+
   if (is_vcom_socket_fd (__fd))
     {
       if (VCOM_DEBUG > 0)
@@ -2602,7 +2606,7 @@ accept4 (int __fd, __SOCKADDR_ARG __addr,
       rv = vcom_accept4 (__fd, __addr, __addr_len, __flags);
       if (VCOM_DEBUG > 0)
        fprintf (stderr,
-                "[%d] accept4: "
+                "[%d] accept4: VCL "
                 "'%04d'='%04d', '%p', '%p', '%04x'\n",
                 pid, rv, __fd, __addr, __addr_len, __flags);
       if (VCOM_DEBUG > 0)
@@ -2614,11 +2618,14 @@ accept4 (int __fd, __SOCKADDR_ARG __addr,
        }
       return rv;
     }
+  fprintf (stderr,
+          "[%d] accept4: libc "
+          "'%04d'='%04d', '%p', '%p', '%04x'\n",
+          pid, rv, __fd, __addr, __addr_len, __flags);
+
   return libc_accept4 (__fd, __addr, __addr_len, __flags);
 }
 
-#endif
-
 /*
  * Shut down all or part of the connection open on socket FD.
  * HOW determines what to shut down:
@@ -2822,7 +2829,7 @@ epoll_wait (int __epfd, struct epoll_event *__events,
 
   rv =
     vcom_socket_epoll_pwait (__epfd, __events, __maxevents, __timeout, NULL);
-  if (VCOM_DEBUG > 0)
+  if (VCOM_DEBUG > 1)
     fprintf (stderr,
             "[%d] epoll_wait: "
             "'%04d'='%04d', '%p', "