Merge branch 'develop'

doc/scheduling.qbk

@@ -371,6 +371,9 @@ of shared_work, thus the work is distributed equally over all threads.
         namespace algo {
 
         class shared_work : public algorithm {
+            shared_work();
+            shared_work( bool suspend);
+
             virtual void awakened( context *) noexcept;
 
             virtual context * pick_next() noexcept;
@@ -384,6 +387,19 @@ of shared_work, thus the work is distributed equally over all threads.
 
         }}}
 
+[heading Constructor]
+
+        shared_work();
+        shared_work( bool suspend);
+
+[variablelist
+[[Effects:] [Constructs work-sharing scheduling algorithm.]]
+[[Throws:] [`system_error`]]
+[[Note:][If `suspend` is set to `true` (default is `false`), then the scheduler suspends if no ready fiber
+could be stolen. The scheduler will by woken up if a sleeping fiber times out or it was notified from remote
+(other thread or fiber scheduler).]]
+]
+
 [member_heading shared_work..awakened]
 
         virtual void awakened( context * f) noexcept;

src/scheduler.cpp

@@ -227,6 +227,7 @@ scheduler::schedule_from_remote( context * ctx) noexcept {
     BOOST_ASSERT( nullptr != dispatcher_ctx_.get() );
     // push new context to remote ready-queue
     ctx->remote_ready_link( remote_ready_queue_);
+    lk.unlock();
     // notify scheduler
     algo_->notify();
 }