Signed-off-by: Arne Schwabe <a...@rfc2549.org>
---
src/openvpn/forward.c | 3 ++-
src/openvpn/openvpn.h | 12 +++++++++++-
2 files changed, 13 insertions(+), 2 deletions(-)
diff --git a/src/openvpn/forward.c b/src/openvpn/forward.c
index 6f7a50048..98caf6651 100644
--- a/src/openvpn/forward.c
+++ b/src/openvpn/forward.c
@@ -1880,7 +1880,8 @@ io_wait_dowork(struct context *c, const unsigned int
flags)
unsigned int tuntap = 0;
struct event_set_return esr[4];
- /* These shifts all depend on EVENT_READ and EVENT_WRITE */
+ /* These shifts all depend on EVENT_READ (=1) and EVENT_WRITE (=2) */
+ /* and are added to the shift. */
static int socket_shift = 0; /* depends on SOCKET_READ and SOCKET_WRITE
*/
static int tun_shift = 2; /* depends on TUN_READ and TUN_WRITE */
static int err_shift = 4; /* depends on ES_ERROR */
diff --git a/src/openvpn/openvpn.h b/src/openvpn/openvpn.h
index 0ddaeb730..322ab3ee1 100644
--- a/src/openvpn/openvpn.h
+++ b/src/openvpn/openvpn.h
@@ -245,7 +245,17 @@ struct context_2
int event_set_max;
bool event_set_owned;
- /* event flags returned by io_wait */
+ /* event flags returned by io_wait,
+ * All these event are their respective shift as defined in io_wait_dowork
+ * adding a shift of 0 for the READ event and 1 for the write event.
+ *
+ * E.g. management_shift = 6;
+ * MANAGMENT_READ = (1<<(6+0)),
+ * MANAGEMNET_WRITE = (1<<(6+1))
+ *
+ * Some shifts (error, file_close) are using read/write for diferent
+ * signals.
+ */
#define SOCKET_READ (1<<0)
#define SOCKET_WRITE (1<<1)
#define TUN_READ (1<<2)
--
2.30.1
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