Fixed bug #911.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@11295 35acf78f-673a-0410-8e92-d51de3d6d3f4

os/common/oslib/include/chmempools.h

@@ -304,8 +304,15 @@ static inline void chGuardedPoolAddI(guarded_memory_pool_t *gmp, void *objp) {
  * @iclass
  */
 static inline void *chGuardedPoolAllocI(guarded_memory_pool_t *gmp) {
+  void *p;
 
-  return chPoolAllocI(&gmp->pool);
+  p = chPoolAllocI(&gmp->pool);
+  if (p != NULL) {
+    chSemFastWaitI(&gmp->sem);
+    chDbgAssert(chSemGetCounterI(&gmp->sem) >= (cnt_t)0,
+                "semaphore out of sync");
+  }
+  return p;
 }
 #endif /* CH_CFG_USE_SEMAPHORES == TRUE */
 

readme.txt

@@ -166,6 +166,8 @@
        dependencies and configuration directories. This makes possible
        to have multiple non-conflicting makefiles in the same project.
        Updated the various platform.mk implementing "smart build" mode.
+- LIB: Fixed inner semaphore not updated in chGuardedPoolAllocI() function
+       (bug #911).
 - HAL: Fixed chprintf float support for 0 precision (bug #910)(backported to
        17.6.4 and 16.1.10).
 - RT:  Fixed compile error with assertions enabled and dynamic extensions

release_note_next.txt

@@ -45,6 +45,7 @@ received a series of important improvements, new features have been added.
   exchange complex objects between threads/ISRs. It is based on a
   mailbox and a guarded memory pool.
 - Added alignment handling to memory pools.
+- Added a new chGuardedPoolAllocI() API to the guarded memory pools.
 
 *** What's new in RT 5.0.0 ***