Changeset 4c78104 in mainline for kernel/generic/src/synch/mutex.c

Timestamp:

2023-02-09T16:55:34Z (15 months ago)

Author:

Jiří Zárevúcky <zarevucky.jiri@…>

Branches:

master, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

e994898

Parents:

c0b54c9

Message:

Get rid of waitq_count_get/set

File:

• kernel/generic/src/synch/mutex.c (modified) (1 diff)

kernel/generic/src/synch/mutex.c

@@ -66 +66 @@
 bool mutex_locked(mutex_t *mtx)
 {
-        return semaphore_count_get(&mtx->sem) <= 0;
+        bool success = semaphore_trydown(&mtx->sem);
+        if (success) {
+                semaphore_up(&mtx->sem);
+        }
+        return !success;
 }