Changeset d27b6be for libcfa/src/concurrency/clib/cfathread.cfa

Timestamp:

Mar 22, 2021, 4:07:21 PM (2 years ago)

Author:

Thierry Delisle <tdelisle@…>

Branches:

arm-eh, enum, forall-pointer-decay, jacob/cs343-translation, master, new-ast-unique-expr, pthread-emulation, qualifiedEnum

Children:

304de00

Parents:

d971c8d

Message:

• Fixed TryLock? in blocking_lock implementation that did not return whether or not try_lock succeeded.
• Fix cfathread try_lock interface.

File:

• libcfa/src/concurrency/clib/cfathread.cfa (modified) (1 diff)

libcfa/src/concurrency/clib/cfathread.cfa

@@ -245 +245 @@
         int cfathread_mutex_init(cfathread_mutex_t *restrict mut, const cfathread_mutexattr_t *restrict) __attribute__((nonnull (1))) { *mut = new(); return 0; }
         int cfathread_mutex_destroy(cfathread_mutex_t *mut) __attribute__((nonnull (1))) { delete( *mut ); return 0; }
-        int cfathread_mutex_lock   (cfathread_mutex_t *mut) __attribute__((nonnull (1))) { lock    ( (*mut)->impl ); return 0; }
-        int cfathread_mutex_trylock(cfathread_mutex_t *mut) __attribute__((nonnull (1))) { try_lock( (*mut)->impl ); return 0; }
-        int cfathread_mutex_unlock (cfathread_mutex_t *mut) __attribute__((nonnull (1))) { unlock  ( (*mut)->impl ); return 0; }
+        int cfathread_mutex_lock   (cfathread_mutex_t *mut) __attribute__((nonnull (1))) { lock( (*mut)->impl ); return 0; }
+        int cfathread_mutex_unlock (cfathread_mutex_t *mut) __attribute__((nonnull (1))) { unlock( (*mut)->impl ); return 0; }
+        int cfathread_mutex_trylock(cfathread_mutex_t *mut) __attribute__((nonnull (1))) {
+                bool ret = try_lock( (*mut)->impl );
+                if( ret ) return 0;
+                else return EBUSY;
+        }
 
         //--------------------