Changeset 36 for pjproject/main/pjlib/src/pj/os_core_unix.c

Timestamp:

Nov 9, 2005 3:37:19 PM (18 years ago)

Author:

bennylp

Message:

Rework pjlib++

File:

• pjproject/main/pjlib/src/pj/os_core_unix.c (modified) (4 diffs)

pjproject/main/pjlib/src/pj/os_core_unix.c

@@ -560 +560 @@
 
 /*
+ * pj_atomic_inc_and_get()
+ */
+PJ_DEF(pj_atomic_value_t) pj_atomic_inc_and_get(pj_atomic_t *atomic_var)
+{
+    pj_atomic_value_t new_value;
+
+    PJ_CHECK_STACK();
+
+#if PJ_HAS_THREADS
+    pj_mutex_lock( atomic_var->mutex );
+#endif
+    new_value = ++atomic_var->value;
+#if PJ_HAS_THREADS
+    pj_mutex_unlock( atomic_var->mutex);
+#endif
+
+    return new_value;
+}
+/*
  * pj_atomic_inc()
  */
 PJ_DEF(void) pj_atomic_inc(pj_atomic_t *atomic_var)
 {
+    pj_atomic_inc_and_get(atomic_var);
+}
+
+/*
+ * pj_atomic_dec_and_get()
+ */
+PJ_DEF(pj_atomic_value_t) pj_atomic_dec_and_get(pj_atomic_t *atomic_var)
+{
+    pj_atomic_value_t new_value;
+
     PJ_CHECK_STACK();
 
@@ -569 +598 @@
     pj_mutex_lock( atomic_var->mutex );
 #endif
-    ++atomic_var->value;
+    new_value = --atomic_var->value;
 #if PJ_HAS_THREADS
     pj_mutex_unlock( atomic_var->mutex);
 #endif
+
+    return new_value;
 }
 
@@ -580 +611 @@
 PJ_DEF(void) pj_atomic_dec(pj_atomic_t *atomic_var)
 {
-    PJ_CHECK_STACK();
-
-#if PJ_HAS_THREADS
-    pj_mutex_lock( atomic_var->mutex );
-#endif
-    --atomic_var->value;
-#if PJ_HAS_THREADS
-    pj_mutex_unlock( atomic_var->mutex);
-#endif
+    pj_atomic_dec_and_get(atomic_var);
+}
+
+/*
+ * pj_atomic_add_and_get()
+ */ 
+PJ_DEF(pj_atomic_value_t) pj_atomic_add_and_get( pj_atomic_t *atomic_var, 
+                                                 pj_atomic_value_t value )
+{
+    pj_atomic_value_t new_value;
+
+#if PJ_HAS_THREADS
+    pj_mutex_lock(atomic_var->mutex);
+#endif
+    
+    atomic_var->value += value;
+    new_value = atomic_var->value;
+
+#if PJ_HAS_THREADS
+    pj_mutex_unlock(atomic_var->mutex);
+#endif
+
+    return new_value;
 }
 
@@ -594 +639 @@
  * pj_atomic_add()
  */ 
-PJ_DEF(void) pj_atomic_add( pj_atomic_t *atomic_var, pj_atomic_value_t value )
-{
-#if PJ_HAS_THREADS
-    pj_mutex_lock(atomic_var->mutex);
-#endif
-    
-    atomic_var->value += value;
-
-#if PJ_HAS_THREADS
-    pj_mutex_unlock(atomic_var->mutex);
-#endif
-}
-
+PJ_DEF(void) pj_atomic_add( pj_atomic_t *atomic_var, 
+                            pj_atomic_value_t value )
+{
+    pj_atomic_add_and_get(atomic_var, value);
+}
 
 ///////////////////////////////////////////////////////////////////////////////