Providing the 'Yield' method for tasks.

1 files changed, 16 insertions, 2 deletions

diff --git a/lib/Task.cc b/lib/Task.cc
index 0b19ab3..6493111 100644
--- a/lib/Task.cc
+++ b/lib/Task.cc
@@ -17,7 +17,7 @@
  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
-/* $Id: Task.cc,v 1.33 2007-05-30 11:57:10 pixel Exp $ */
+/* $Id: Task.cc,v 1.34 2008-02-18 09:55:08 pixel Exp $ */
 
 #ifndef _WIN32
 #include <sys/time.h>
@@ -31,7 +31,7 @@
 #include "BString.h"
 #include "gettext.h"
 
-Task::Task() : current(0), state(TASK_ON_HOLD), stopped(false), suspended(false), wbta(0), wta(0), BurstHandle(0) {
+Task::Task() : current(0), state(TASK_ON_HOLD), stopped(false), suspended(false), yielded(false), wbta(0), wta(0), BurstHandle(0) {
     TaskMan::AddTask(this);
 }
 
@@ -116,6 +116,20 @@ void Task::WaitFor(const timeval & t, int flags) {
     TaskMan::WaitFor(t, this, flags);
 }
 
+void Task::Yield() {
+    yielded = true;
+    Suspend(TASK_ON_HOLD);
+}
+
+bool Task::Yielded() {
+    return yielded;
+}
+
+void Task::Unyield() {
+    yielded = false;
+    SetBurst();
+}
+
 void Task::SetBurst() {
     state = TASK_BURST;
 }