Changeset c4c90c8 in mainline for uspace/lib/c/include/fibril_synch.h

Timestamp:

2023-07-14T12:41:19Z (22 months ago)

Author:

Vojtech Horky <vojtech.horky@…>

Branches:

ticket/834-toolchain-update

Children:

10e56b7

Parents:

b030416

git-author:

Vojtech Horky <vojtech.horky@…> (2023-07-13 20:05:54)

git-committer:

Vojtech Horky <vojtech.horky@…> (2023-07-14 12:41:19)

Message:

C++: mutex::init should be constexpr

File:

• uspace/lib/c/include/fibril_synch.h (modified) (1 diff)

uspace/lib/c/include/fibril_synch.h

@@ -153 +153 @@
 extern void __fibril_synch_fini(void);
 
-extern void fibril_mutex_initialize(fibril_mutex_t *);
+/** Initialize fibril mutex.
+ *
+ * Kept as in-line to allow constexpr marker for C++ library where this
+ * is used by C++ mutex type (list initialization are two assignments
+ * so it is actually reasonable to have this inlined).
+ */
+static inline __CONSTEXPR void fibril_mutex_initialize(fibril_mutex_t *fm)
+{
+        fm->oi.owned_by = NULL;
+        fm->counter = 1;
+        list_initialize(&fm->waiters);
+}
+
 extern void fibril_mutex_lock(fibril_mutex_t *);
 extern bool fibril_mutex_trylock(fibril_mutex_t *);