Attention is currently required from: flichtenheld, its_Giaan, ordex, plaisthos.

Hello flichtenheld, ordex, plaisthos,

I'd like you to reexamine a change. Please visit

    http://gerrit.openvpn.net/c/openvpn/+/759?usp=email

to look at the new patch set (#5).

The following approvals got outdated and were removed:
Code-Review+2 by flichtenheld

The change is no longer submittable: Code-Review and checks~ChecksSubmitRule 
are unsatisfied now.


Change subject: io_work: convert shift argument to uintptr_t
......................................................................

io_work: convert shift argument to uintptr_t

Instead of passing the shift argument as pointer, pass
directly its integer value. This will allow the code to
distinguish a shift value from a real object pointer,
like we already do in multi_tcp_process_io().

This change will allow us later to pass an event_arg
object as event handler argument instead of a simple
integer value.

Change-Id: Ib583bf17e35b14aed78fd8217b6e71e8c2b78089
Signed-off-by: Antonio Quartulli <a...@unstable.cc>
Signed-off-by: Gianmarco De Gregori <gianma...@mandelbit.com>
---
M src/openvpn/forward.c
1 file changed, 14 insertions(+), 16 deletions(-)


  git pull ssh://gerrit.openvpn.net:29418/openvpn refs/changes/59/759/5

diff --git a/src/openvpn/forward.c b/src/openvpn/forward.c
index 6f279ec..66e5be1 100644
--- a/src/openvpn/forward.c
+++ b/src/openvpn/forward.c
@@ -2065,20 +2065,18 @@
     unsigned int tuntap = 0;
     struct event_set_return esr[4];

-    /* These shifts all depend on EVENT_READ (=1) and EVENT_WRITE (=2)
-     * and are added to the shift. Check openvpn.h for more details.
-     */
-    static int socket_shift = SOCKET_SHIFT;
-    static int tun_shift = TUN_SHIFT;
-    static int err_shift = ERR_SHIFT;
+    /* These shifts all depend on EVENT_READ and EVENT_WRITE */
+    static uintptr_t socket_shift = SOCKET_SHIFT;   /* depends on SOCKET_READ 
and SOCKET_WRITE */
+    static uintptr_t tun_shift = TUN_SHIFT;      /* depends on TUN_READ and 
TUN_WRITE */
+    static uintptr_t err_shift = ERR_SHIFT;      /* depends on ES_ERROR */
 #ifdef ENABLE_MANAGEMENT
-    static int management_shift = MANAGEMENT_SHIFT;
+    static uintptr_t management_shift = MANAGEMENT_SHIFT; /* depends on 
MANAGEMENT_READ and MANAGEMENT_WRITE */
 #endif
 #ifdef ENABLE_ASYNC_PUSH
-    static int file_shift = FILE_SHIFT;
+    static uintptr_t file_shift = FILE_SHIFT;
 #endif
 #if defined(TARGET_LINUX) || defined(TARGET_FREEBSD)
-    static int dco_shift = DCO_SHIFT;    /* Event from DCO linux kernel module 
*/
+    static uintptr_t dco_shift = DCO_SHIFT;    /* Event from DCO linux kernel 
module */
 #endif

     /*
@@ -2092,7 +2090,7 @@
      */
     if (flags & IOW_WAIT_SIGNAL)
     {
-        wait_signal(c->c2.event_set, (void *)&err_shift);
+        wait_signal(c->c2.event_set, (void *)err_shift);
     }

     /*
@@ -2185,19 +2183,19 @@
     /*
      * Configure event wait based on socket, tuntap flags.
      */
-    socket_set(c->c2.link_socket, c->c2.event_set, socket, (void 
*)&socket_shift, NULL);
-    tun_set(c->c1.tuntap, c->c2.event_set, tuntap, (void *)&tun_shift, NULL);
+    socket_set(c->c2.link_socket, c->c2.event_set, socket, (void 
*)socket_shift, NULL);
+    tun_set(c->c1.tuntap, c->c2.event_set, tuntap, (void *)tun_shift, NULL);
 #if defined(TARGET_LINUX) || defined(TARGET_FREEBSD)
     if (socket & EVENT_READ && c->c2.did_open_tun)
     {
-        dco_event_set(&c->c1.tuntap->dco, c->c2.event_set, (void *)&dco_shift);
+        dco_event_set(&c->c1.tuntap->dco, c->c2.event_set, (void *)dco_shift);
     }
 #endif

 #ifdef ENABLE_MANAGEMENT
     if (management)
     {
-        management_socket_set(management, c->c2.event_set, (void 
*)&management_shift, NULL);
+        management_socket_set(management, c->c2.event_set, (void 
*)management_shift, NULL);
     }
 #endif

@@ -2205,7 +2203,7 @@
     /* arm inotify watcher */
     if (c->options.mode == MODE_SERVER)
     {
-        event_ctl(c->c2.event_set, c->c2.inotify_fd, EVENT_READ, (void 
*)&file_shift);
+        event_ctl(c->c2.event_set, c->c2.inotify_fd, EVENT_READ, (void 
*)file_shift);
     }
 #endif

@@ -2248,7 +2246,7 @@
                 for (i = 0; i < status; ++i)
                 {
                     const struct event_set_return *e = &esr[i];
-                    c->c2.event_set_status |= ((e->rwflags & 3) << *((int 
*)e->arg));
+                    c->c2.event_set_status |= ((e->rwflags & 3) << 
(uintptr_t)e->arg);
                 }
             }
             else if (status == 0)

--
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Gerrit-Project: openvpn
Gerrit-Branch: master
Gerrit-Change-Id: Ib583bf17e35b14aed78fd8217b6e71e8c2b78089
Gerrit-Change-Number: 759
Gerrit-PatchSet: 5
Gerrit-Owner: its_Giaan <gianma...@mandelbit.com>
Gerrit-Reviewer: flichtenheld <fr...@lichtenheld.com>
Gerrit-Reviewer: ordex <a...@unstable.cc>
Gerrit-Reviewer: plaisthos <arne-open...@rfc2549.org>
Gerrit-CC: openvpn-devel <openvpn-devel@lists.sourceforge.net>
Gerrit-Attention: plaisthos <arne-open...@rfc2549.org>
Gerrit-Attention: its_Giaan <gianma...@mandelbit.com>
Gerrit-Attention: flichtenheld <fr...@lichtenheld.com>
Gerrit-Attention: ordex <a...@unstable.cc>
Gerrit-MessageType: newpatchset
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