Changes in libcfa/src/concurrency/kernel/fwd.hfa [64bdacc:c9c1c1cb]

File:

• libcfa/src/concurrency/kernel/fwd.hfa (modified) (2 diffs)

libcfa/src/concurrency/kernel/fwd.hfa

@@ -248 +248 @@
                         // check if the future is available
                         bool available( future_t & this ) {
-                                while( this.ptr == 2p ) Pause();
                                 return this.ptr == 1p;
                         }
@@ -348 +347 @@
                                         struct oneshot * want = expected == 0p ? 1p : 2p;
                                         if(__atomic_compare_exchange_n(&this.ptr, &expected, want, false, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST)) {
-                                                if( expected == 0p ) { return 0p; }
+                                                if( expected == 0p ) { /* paranoid */ verify( this.ptr == 1p); return 0p; }
                                                 thread$ * ret = post( *expected, do_unpark );
                                                 __atomic_store_n( &this.ptr, 1p, __ATOMIC_SEQ_CST);