kernel: mempool: add z_thread_aligned_alloc
This adds a new z_thread_aligned_alloc() to do memory allocation
with required alignment.
Signed-off-by: Daniel Leung <daniel.leung@intel.com>
diff --git a/kernel/include/kernel_internal.h b/kernel/include/kernel_internal.h
index 7e7a34c..a05925d 100644
--- a/kernel/include/kernel_internal.h
+++ b/kernel/include/kernel_internal.h
@@ -47,6 +47,22 @@
int prio, uint32_t options, const char *name);
/**
+ * @brief Allocate aligned memory from the current thread's resource pool
+ *
+ * Threads may be assigned a resource pool, which will be used to allocate
+ * memory on behalf of certain kernel and driver APIs. Memory reserved
+ * in this way should be freed with k_free().
+ *
+ * If called from an ISR, the k_malloc() system heap will be used if it exists.
+ *
+ * @param align Required memory alignment
+ * @param size Memory allocation size
+ * @return A pointer to the allocated memory, or NULL if there is insufficient
+ * RAM in the pool or there is no pool to draw memory from
+ */
+void *z_thread_aligned_alloc(size_t align, size_t size);
+
+/**
* @brief Allocate some memory from the current thread's resource pool
*
* Threads may be assigned a resource pool, which will be used to allocate
@@ -59,7 +75,10 @@
* @return A pointer to the allocated memory, or NULL if there is insufficient
* RAM in the pool or there is no pool to draw memory from
*/
-void *z_thread_malloc(size_t size);
+static inline void *z_thread_malloc(size_t size)
+{
+ return z_thread_aligned_alloc(0, size);
+}
/* set and clear essential thread flag */
