diff options
| -rw-r--r-- | erts/emulator/drivers/common/inet_drv.c | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/erts/emulator/drivers/common/inet_drv.c b/erts/emulator/drivers/common/inet_drv.c index a1abeb9cbb..49ce0c7600 100644 --- a/erts/emulator/drivers/common/inet_drv.c +++ b/erts/emulator/drivers/common/inet_drv.c @@ -6772,8 +6772,12 @@ static int inet_set_opts(inet_descriptor* desc, char* ptr, int len) if ( ((desc->stype == SOCK_STREAM) && IS_CONNECTED(desc)) || ((desc->stype == SOCK_DGRAM) && IS_OPEN(desc))) { - if (desc->active != old_active) + if (desc->active != old_active) { + /* Need to cancel the read_packet timer if we go from active to passive. */ + if (desc->active == INET_PASSIVE && desc->stype == SOCK_DGRAM) + driver_cancel_timer(desc->port); sock_select(desc, (FD_READ|FD_CLOSE), (desc->active>0)); + } /* XXX: UDP sockets could also trigger immediate read here NIY */ if ((desc->stype==SOCK_STREAM) && desc->active) { @@ -12539,9 +12543,12 @@ static void packet_inet_timeout(ErlDrvData e) { udp_descriptor * udesc = (udp_descriptor*) e; inet_descriptor * desc = INETP(udesc); - if (!(desc->active)) + if (!(desc->active)) { sock_select(desc, FD_READ, 0); - async_error_am (desc, am_timeout); + async_error_am (desc, am_timeout); + } else { + (void)packet_inet_input(udesc, desc->s); + } } @@ -12897,6 +12904,15 @@ static int packet_inet_input(udp_descriptor* udesc, HANDLE event) sock_select(desc, FD_READ, 1); } #endif + + /* We set a timer on the port to trigger now. + This emulates a "yield" operation as that is + what we want to do here. We do *NOT* do a deselect + as that is expensive, instead we check if the + socket it still active when the timeout triggers + and if it is not, then we just ignore the timeout */ + driver_set_timer(desc->port, 0); + return count; } |