Changeset bdeba0b for src/libcfa/concurrency/kernel

Timestamp:

Jul 6, 2017, 4:18:43 PM (7 years ago)

Author:

Thierry Delisle <tdelisle@…>

Branches:

ADT, aaron-thesis, arm-eh, ast-experimental, cleanup-dtors, deferred_resn, demangler, enum, forall-pointer-decay, jacob/cs343-translation, jenkins-sandbox, master, new-ast, new-ast-unique-expr, new-env, no_list, persistent-indexer, pthread-emulation, qualifiedEnum, resolv-new, with_gc

Children:

955d27e9

Parents:

b877fa8

Message:

Removed signal_once type, use semaphore instead

File:

• src/libcfa/concurrency/kernel (modified) (2 diffs)

src/libcfa/concurrency/kernel

@@ -33 +33 @@
 void unlock    ( spinlock * );
 
-struct signal_once {
-        volatile bool cond;
-        struct spinlock lock;
-        struct __thread_queue_t blocked;
+struct semaphore {
+        spinlock lock;
+        int count;
+        __thread_queue_t waiting;
 };
 
-void ?{}(signal_once * this);
-void ^?{}(signal_once * this);
+void  ?{}(semaphore * this, int count = 1);
+void ^?{}(semaphore * this);
+void P(semaphore * this);
+void V(semaphore * this);
 
-void wait( signal_once * );
-void signal( signal_once * );
 
 //-----------------------------------------------------------------------------
@@ -81 +81 @@
         pthread_t kernel_thread;
 
-        signal_once terminated;
+        semaphore terminated;
         volatile bool is_terminated;