ExternalVendorCode/genode
1
0
Fork 0
mirror of https://github.com/genodelabs/genode.git synced 2024-12-20 14:13:09 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

hw: fix in signal-ack handling in kernel

Browse Source 
ref #574
This commit is contained in:
Martin Stein 2013-08-22 18:59:50 +02:00 committed by Norman Feske
parent fa047f4dda
commit cbd1464ee3
1 changed files with 11 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
base-hw/src/core/kernel.cc
View File

@ -584,6 +584,15 @@ namespace Kernel
*/
void _deliver();
/**
* Called by receiver when all submits have been delivered
*/
void _delivered()
{
_submits = 0;
_await_ack = 1;
}
public:
/**
@ -654,9 +663,7 @@ namespace Kernel
c->_submits);
*(Signal::Data *)t->phys_utcb()->base() = data;
t->received_signal();
/* reset context */
c->_submits = 0;
c->_delivered();
}
}
@ -1623,12 +1630,12 @@ void Signal_context::_deliver()
{
if (!_submits) return;
_receiver->deliver(this);
_await_ack = 1;
}
void Signal_context::ack()
{
assert(_await_ack);
_await_ack = 0;
if (!_killer) {
_deliver();