Changes in libcfa/src/bits/locks.hfa [b353a49:e0f93e0]

File:

• libcfa/src/bits/locks.hfa (modified) (2 diffs)

libcfa/src/bits/locks.hfa

@@ -130 +130 @@
                 pthread_mutex_init(&lock, &mattr);
 
-                pthread_cond_init (&cond, (const pthread_condattr_t *)0p);  // workaround trac#208: cast should not be required
+                pthread_cond_init (&cond, 0p);
                 val = 0;
         }
@@ -219 +219 @@
                 }
         }
-
-        // Semaphore which only supports a single thread and one post
-        // Semaphore which only supports a single thread
-        struct oneshot {
-                struct $thread * volatile ptr;
-        };
-
-        static inline {
-                void  ?{}(oneshot & this) {
-                        this.ptr = 0p;
-                }
-
-                void ^?{}(oneshot & this) {}
-
-                bool wait(oneshot & this) {
-                        for() {
-                                struct $thread * expected = this.ptr;
-                                if(expected == 1p) return false;
-                                /* paranoid */ verify( expected == 0p );
-                                if(__atomic_compare_exchange_n(&this.ptr, &expected, active_thread(), false, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST)) {
-                                        park( __cfaabi_dbg_ctx );
-                                        /* paranoid */ verify( this.ptr == 1p );
-                                        return true;
-                                }
-                        }
-                }
-
-                bool post(oneshot & this) {
-                        struct $thread * got = __atomic_exchange_n( &this.ptr, 1p, __ATOMIC_SEQ_CST);
-                        if( got == 0p ) return false;
-                        unpark( got __cfaabi_dbg_ctx2 );
-                        return true;
-                }
-        }
 #endif