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kernel: Make thread resource pools into sys_heaps

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The k_mem_pool allocator is no more, and the z_mem_pool compatibility
API is going away.  The internal allocator should be a k_heap always.

Signed-off-by: Andy Ross <andrew.j.ross@intel.com>
This commit is contained in:
Andy Ross 2020-10-02 08:22:03 -07:00 • committed by Anas Nashif
commit c770cab1a3
13 changed files with 36 additions and 38 deletions
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16
include/kernel.h
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@ -405,7 +405,7 @@ struct k_thread {
void *switch_handle;
#endif
/** resource pool */
struct k_mem_pool *resource_pool;
struct k_heap *resource_pool;
#if defined(CONFIG_THREAD_LOCAL_STORAGE)
/* Pointer to arch-specific TLS area */
@ -652,13 +652,19 @@ extern FUNC_NORETURN void k_thread_user_mode_enter(k_thread_entry_t entry,
* previous pool.
*
* @param thread Target thread to assign a memory pool for resource requests.
* @param pool Memory pool to use for resources,
* @param heap Heap object to use for resources,
* or NULL if the thread should no longer have a memory pool.
*/
static inline void k_thread_resource_pool_assign(struct k_thread *thread,
static inline void k_thread_heap_assign(struct k_thread *thread,
struct k_heap *heap)
{
thread->resource_pool = heap;
}
static inline void z_thread_resource_pool_assign(struct k_thread *thread,
struct k_mem_pool *pool)
{
thread->resource_pool = pool;
k_thread_heap_assign(thread, pool ? pool->heap : NULL);
}
#if defined(CONFIG_INIT_STACKS) && defined(CONFIG_THREAD_STACK_INFO)
@ -690,7 +696,7 @@ __syscall int k_thread_stack_space_get(const struct k_thread *thread,
/**
* @brief Assign the system heap as a thread's resource pool
*
* Similar to k_thread_resource_pool_assign(), but the thread will use
* Similar to z_thread_resource_pool_assign(), but the thread will use
* the kernel heap to draw memory.
*
* Use with caution, as a malicious thread could perform DoS attacks on the